Exhibit 99.1

           IDT Reports Fiscal Fourth Quarter and Year End 2007 Results


    --  52 Percent Revenue Increase Year-Over-Year

    --  184 Percent Non-GAAP Net Income Increase Year-Over-Year

    --  GAAP Net Loss Improves 91 Percent

    --  Over $200 Million in Operating Cash Flow Generation

    Business Editors/High-Tech Editors

    SAN JOSE, Calif.--(BUSINESS WIRE)--April 26, 2007--IDT(TM)
(Integrated Device Technology, Inc.) (NASDAQ:IDTI), a leading provider
of vital semiconductor solutions, today announced results for the
fiscal fourth quarter and year ended April 1, 2007.

    "Fiscal 2007 was an excellent year for IDT. We broke the $800
million revenue mark as we delivered seven consecutive quarters of
revenue growth," stated Greg Lang, president and CEO of IDT. "In
addition, our non-GAAP EPS has more than doubled from fiscal year
2006."

    Year-over-year highlights include:




                FY07            FY06                           %
                                                $ Change       Change
Revenue         $803.6 million  $527.8 million  $275.8 million 52%
Non-GAAP Net
 Income         $213.7 million  $75.2 million   $138.5 million 184%
Non-GAAP EPS(a) $1.05           $0.47           $0.58          123%
GAAP Net Loss   ($7.6) million  ($81.7) million $74.1 million  91%
GAAP EPS        ($0.04)         ($0.52)         $0.48          92%


    (a) Fully diluted

    The following highlights the Company's financial performance on
both a GAAP and non-GAAP basis. The GAAP results include certain
costs, charges, gains and losses in accordance with GAAP which are
excluded from non-GAAP results based on management's determination
that they are not directly reflective of on-going operations. A
complete reconciliation of GAAP to non-GAAP results is attached to
this press release.

    --  Revenue for the fiscal fourth quarter of 2007 was $206.7
        million, up 23 percent from the same period one year ago and
        up slightly from the third fiscal quarter of 2007. Revenue for
        fiscal year 2007 was $803.6 million, up 52 percent from fiscal
        year 2006. Revenue for fiscal 2007 included the full effects
        of the merger with Integrated Circuit Systems, Inc. as
        compared to the inclusion of only six and a half months of
        revenue in fiscal 2006. Adjusting for this partial year would
        result in approximately 27 percent revenue growth year over
        year.

    --  GAAP net loss for the fiscal fourth quarter of 2007 was $3.4
        million or $0.02 per diluted share, compared to a GAAP net
        loss of $26.5 million or $0.13 per diluted share in the same
        period one year ago. Fiscal fourth quarter 2007 GAAP results
        include $39.9 million of acquisition-related charges
        (including $39.3 million in amortization of intangibles and
        $600 thousand of other acquisition-related charges), $11.1
        million of stock-based compensation, and $4.4 million of
        restructuring and impairment related charges. GAAP net loss
        for fiscal year 2007 was $7.6 million, an improvement of $74.1
        million as compared with a GAAP net loss of $81.7 million in
        fiscal year 2006.

    --  Non-GAAP net income for the fiscal fourth quarter of 2007 was
        $52.2 million or $0.26 per diluted share, an improvement of 70
        percent when compared to non-GAAP net income of $30.7 million
        or $0.15 per diluted share in the same period one year ago.
        Non-GAAP net income for fiscal year 2007 was $213.7 million or
        $1.05 per diluted share, an improvement of 123 percent in
        earnings per share when compared to $75.2 million or $0.47 per
        diluted share in fiscal year 2006.

    --  GAAP gross profit for the fiscal fourth quarter of 2007 was
        $84.0 million, compared to GAAP gross profit of $53.5 million
        in the same period one year ago. Non-GAAP gross profit for the
        fiscal fourth quarter of 2007 was $110.2 million, compared to
        non-GAAP gross profit of $92.2 million reported in the same
        period one year ago. GAAP gross profit for fiscal 2007 was
        $340.6 million, compared to $177.6 million for fiscal 2006.
        Non-GAAP gross profit was $439.4 million for fiscal 2007,
        compared to $278.2 million for fiscal 2006.

    --  GAAP R&D expense for the fiscal fourth quarter of 2007 was
        $42.5 million, compared with GAAP R&D expense of $35.8 million
        in the same period one year ago. Non-GAAP R&D expense for the
        fiscal fourth quarter of 2007 was $36.0 million, compared to
        non-GAAP R&D expense of $34.9 million in the same period one
        year ago. GAAP R&D expense for fiscal 2007 was $166.4 million,
        compared to $127.6 million for fiscal 2006. Non-GAAP R&D
        expense for fiscal 2007 was $137.7 million, compared to $120.6
        million in fiscal 2006.

    --  GAAP SG&A expense for the fiscal fourth quarter of 2007 was
        $47.4 million, compared to GAAP SG&A expense of $50.0 million
        in the same period one year ago. Non-GAAP SG&A expense for the
        fiscal fourth quarter of 2007 was $24.9 million, compared to
        non-GAAP SG&A expense of $26.4 million in the same period one
        year ago. GAAP SG&A expense for fiscal 2007 was $191.2
        million, compared to $142.5 million for fiscal 2006. Non-GAAP
        SG&A expense for fiscal 2007 was $98.5 million, compared to
        $88.4 million for fiscal 2006.

    "We will continue investing in new technologies and products,
which will allow us to build additional growth platforms and push us
towards becoming a billion dollar company. I'm extremely proud of our
employees who continue to focus and deliver great results for IDT, our
customers and our shareholders," Mr. Lang continued.

    Webcast and Conference Call Information

    Investors can listen to a live or replay webcast of the Company's
quarterly financial conference call at http://www.IDT.com. The live
webcast will begin at 1:30 p.m. PT on April 26, 2007. The webcast
replay will be available after 5 p.m. PT on April 26.

    Investors can also listen to the live call at 1:30 p.m. PT on
April 26 by calling (888) 276-0007 or (612) 332-0107. The conference
call replay will be available after 5 p.m. PT on April 26 through
11:59 p.m. PT on May 3, 2007 at (800) 475-6701 or (320) 365-3844. The
access code is 868755.

    About IDT

    IDT is a world leader in developing and delivering vital
semiconductor solutions that enable customers to accelerate
innovation. IDT solutions help customers solve complex system design
challenges associated with the evolving requirements of
communications, computing and consumer applications. By leveraging its
system knowledge and extensive blend of technologies, IDT is able to
deliver essential solutions, including timing products, network search
engines, flow-control management ICs and products for standards-based
serial switching. Headquartered in San Jose, Calif., IDT has design,
manufacturing and sales facilities throughout the world. IDT stock is
traded on the NASDAQ Global Select Market(R) under the symbol "IDTI."
Additional information about IDT is accessible at www.IDT.com.

    Forward Looking Statements

    Investors are cautioned that forward-looking statements in this
release involve a number of risks and uncertainties that could cause
actual results to differ materially from current expectations. Risks
include, but are not limited to, global business and economic
conditions, fluctuations in product demand, manufacturing capacity and
costs, inventory management, competition, pricing, patent and other
intellectual property rights of third parties, timely development and
supply of new products and manufacturing processes, dependence on one
or more customers for a significant portion of sales, successful
integration of acquired businesses and technology, availability of
capital, cash flow and other risk factors detailed in the Company's
Securities and Exchange Commission filings. The Company urges
investors to review in detail the risks and uncertainties in the
Company's Securities and Exchange Commission filings, including but
not limited to the Annual Report on Form 10-K for the year ended April
2, 2006 and Quarterly Report on Form 10-Q for the period ended
December 31, 2006.

       IDT and the IDT logo are trademarks of Integrated Device
 Technology, Inc. All other brands, product names and marks are or may
  be trademarks or registered trademarks used to identify products or
                 services of their respective owners.




                  INTEGRATED DEVICE TECHNOLOGY, INC.
           CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                             (Unaudited)
(In thousands, except per share data)

                         Three Months Ended       Twelve Months Ended
- ----------------------------------------------------------------------
                    April 1,  Dec. 31,  April 2,   April 1,  April 2,
                      2007      2006      2006       2007      2006
                   ---------- --------- ---------  --------- ---------

Revenues            $206,688  $206,196  $167,459    803,596   527,778

Cost of revenues     122,734   120,406   113,922    462,948   350,211
                   ---------- --------- ---------  --------- ---------

Gross profit          83,954    85,790    53,537    340,648   177,567
                   ---------- --------- ---------  --------- ---------

Operating
 expenses:

  Research and
   development        42,492    43,474    35,825    166,433   127,591

  Selling, general
   and
   administrative     47,440    46,791    49,956    191,211   142,518

  Acquired in-
   process
   research and
   development             -         -         -        500     2,300
                   ---------- --------- ---------  --------- ---------

Total operating
 expenses             89,932    90,265    85,781    358,144   272,409
                   ---------- --------- ---------  --------- ---------

Operating loss        (5,978)   (4,475)  (32,244)   (17,496)  (94,842)

Interest expense         (53)      (59)      (87)      (263)     (222)

Other-than-
 temporary
 impairment of
 investments               -         -         -          -    (1,705)

Interest income
 and other, net        3,942     4,027     2,586     15,211    12,660
                   ---------- --------- ---------  --------- ---------

Loss before income
 taxes                (2,089)     (507)  (29,745)    (2,548)  (84,109)

Provision
 (Benefit) for
 income taxes          1,322     1,433    (3,205)     5,030    (2,401)
                   ---------- --------- ---------  --------- ---------

Net Loss            $ (3,411) $ (1,940) $(26,540)    (7,578)  (81,708)
                   ========== ========= =========  ========= =========


Net loss per
 share:

Basic               $  (0.02) $  (0.01) $  (0.13)  $  (0.04) $  (0.52)

Diluted             $  (0.02) $  (0.01) $  (0.13)  $  (0.04) $  (0.52)

Weighted average
 shares:

Basic                196,527   197,332   198,830    198,106   157,345

Diluted              196,527   197,332   198,830    198,106   157,345




                  INTEGRATED DEVICE TECHNOLOGY, INC.
                  RECONCILIATION OF GAAP TO NON-GAAP
                             (Unaudited)
(In thousands)
                         Three Months Ended       Twelve Months Ended
- ----------------------------------------------------------------------
                    April 1,  Dec. 31,   April 2,   April 1, April 2,
                     2007       2006      2006       2007      2006
                   --------- ---------- ---------  --------- ---------


GAAP Net Loss      $ (3,411) $  (1,940) $(26,540)  $ (7,578) $(81,708)
                   ========= ========== =========  ========= =========

GAAP Diluted Loss
 Per Share         $  (0.02) $   (0.01) $  (0.13)  $  (0.04) $  (0.52)
                   ========= ========== =========  ========= =========
   Acquisition
    Related:

     Amortization
      of
      acquisition
      related
      intangibles
      (1)            39,263     39,664    56,537    155,388   127,470

     Inventory FMV
      write-up (1)        -        207     2,868      3,722    13,348

     Acquired In-
      process
      research and
      development
      (1)                 -          -         -        500     2,300

     Acquisition
      related
      costs (2)         592        727     1,375      4,311     5,126

   Restructuring
    Related:

     Reduction in
      Force (3)         407        814     1,081      2,560     3,405

     Assembly
      Transition
      Costs (4)       1,935        427         -      2,362         -

     Facility
      closure
      costs (5)         187        232     1,251        948    12,832

     Asset
      impairment
      (6)             1,915          -       (11)     4,397      (835)

   Other:

     Stock-Based
      Compensation
      Expense (7)    11,085     11,178         -     46,504         -

     Loss on
      short-term
      investments
      (8)                 -          -         -          -     2,597

     Taxes affects
      of Non-GAAP
      adjustments
      (9)               235        366    (5,881)       601    (9,354)
                   --------- ---------- ---------  --------- ---------

Non-GAAP Net
 Income            $ 52,208  $  51,675  $ 30,680   $213,715  $ 75,181
                   ========= ========== =========  ========= =========

Non-GAAP Diluted
 Earnings Per
 Share             $   0.26  $    0.25  $   0.15   $   1.05  $   0.47
                   ========= ========== =========  ========= =========

Weighted average
 shares:

Basic               196,527    197,332   198,830    198,106   157,345

Diluted             202,007    202,904   205,582    202,959   159,450



GAAP gross profit    83,954     85,790    53,537    340,648   177,567
                   --------- ---------- ---------  --------- ---------

   Acquisition
    Related:

     Amortization
      of
      acquisition
      related
      intangibles
      (1)            20,477     20,878    33,616     80,320    77,716

     Inventory FMV
      write-up (1)        -        207     2,868      3,722    13,348

     Acquisition
      related
      costs (2)         417        515       739      1,987     1,717

   Restructuring
    Related:

     Reduction in
      Force (3)         214        574       926      1,621     1,871

     Assembly
      Transition
      Costs (4)       1,935        427         -      2,362         -

     Facility
      closure
      costs (5)          76        150       510        571     6,824

     Asset
      impairment
      (6)             1,915          -       (11)     4,397      (835)

   Other:

     Stock-Based
      Compensation
      Expense (7)     1,251      1,107         -      3,740         -
                   --------- ---------- ---------  --------- ---------

Non-GAAP gross
 profit             110,239    109,648    92,185    439,368   278,208
                   --------- ---------- ---------  --------- ---------



GAAP R&D Expenses:   42,492     43,474    35,825    166,433   127,591
                   --------- ---------- ---------  --------- ---------

   Acquisition
    Related:

     Amortization
      of
      acquisition
      related
      intangibles
      (1)              (125)      (125)     (124)      (500)     (457)

     Acquisition
      related
      costs (2)        (218)      (148)     (561)    (2,040)   (3,249)

   Restructuring
    Related:

     Reduction in
      Force (3)        (125)      (240)      198       (684)      (33)

     Facility
      closure
      costs (5)         (65)       (47)     (421)      (217)   (3,204)

   Other:

     Stock-Based
      Compensation
      Expense (7)    (5,979)    (6,510)        -    (25,300)        -
                   --------- ---------- ---------  --------- ---------

Non-GAAP R&D
 Expenses            35,980     36,404    34,917    137,692   120,648
                   --------- ---------- ---------  --------- ---------



GAAP SG&A
 Expenses:           47,440     46,791    49,956    191,211   142,518
                   --------- ---------- ---------  --------- ---------

   Acquisition
    Related:

     Amortization
      of
      acquisition
      related
      intangibles
      (1)           (18,661)   (18,661)  (22,797)   (74,568)  (49,297)

     Acquisition
      related
      costs (2)          43        (64)      (76)      (284)     (161)

   Restructuring
    Related:

     Reduction in
      Force (3)         (68)         -      (352)      (255)   (1,500)

     Facility
      closure
      costs (5)         (46)       (35)     (320)      (160)   (3,143)

   Other:

     Stock-Based
      Compensation
      Expense (7)    (3,855)    (3,561)        -    (17,464)        -
                   --------- ---------- ---------  --------- ---------

Non-GAAP SG&A
 Expenses            24,853     24,470    26,411     98,480    88,417
                   --------- ---------- ---------  --------- ---------



GAAP Interest
 income and other,
 net                  3,889      3,968     2,499     14,948    10,733
                   --------- ---------- ---------  --------- ---------

     Loss on
      short-term
      investments
      (8)                 -          -         -          -     2,597

     Facility
      closure
      costs (5)           -          -         -          -      (339)

Non-GAAP Interest
 income and other,
 net                  3,889      3,968     2,499     14,948    12,991
                   --------- ---------- ---------  --------- ---------



GAAP Provision
 (Benefit) for
 Income Taxes         1,322      1,433    (3,205)     5,030    (2,401)
                   --------- ---------- ---------  --------- ---------

     Taxes affects
      of Non-GAAP
      adjustments
      (9)              (235)      (366)    5,881       (601)    9,354

Non-GAAP Provision
 for Income Taxes     1,087      1,067     2,676      4,429     6,953
                   --------- ---------- ---------  --------- ---------


    (1) Consists of amortization charges of acquisition-related
intangible assets and the FMV adjustment of acquired inventory
sold. In addition, the twelve month periods presented include acquired
IPR&D related to our acquisition of Sigmatel's PC audio business and
merger with Integrated Circuit Systems (ICS) in Q2 2007 and Q2 2006,
respectively.

    (2) Consists of costs incurred in connection with our merger with
ICS and the acquisition of Freescale assets in Q2 2006, such as
additional depreciation resulting from purchase accounting and costs
associated with the exit of previously leased facilities.  In
addition, all periods presented include retention costs incurred in
connection with our acquisition of Zettacom.

    (3) Consists of costs associated with restructuring actions
initiated by the Company, primarily severance and retention costs.

    (4) Consists of incremental costs incurred as the Company
transitions its assembly operations in Malaysia to a third-party.

    (5) Consists of ongoing costs associated with the exit of our
leased facilities in Santa Clara and Salinas (Q1 2006) and the closure
of our manufacturing facility in the Philippines (Q1 2006).

    (6) Fiscal 2007 consists of impairment charges related to our
manufacturing facility in the Philippines. Fiscal 2006 reflects the
exclusion of gains realized on the sale of assets at our former
manufacturing facility in Salinas, which were previously impaired.

    (7) Consists of stock-based compensation expense resulting from
our adoption of SFAS 123R.

    (8) Consists of other-than-temporary impairment charges and losses
on the sale of securities incurred primarily as a result of our merger
with ICS.

    (9) Consists of the tax effects of acquisition-related non-GAAP
adjustments. In addition, the nine months ended Q3 2006 consists of a
net reduction in income tax reserves as a result of partial
settlements with the IRS.




                  INTEGRATED DEVICE TECHNOLOGY, INC.
                CONDENSED CONSOLIDATED BALANCE SHEETS
                             (Unaudited)

                                                 April 1,    Apr. 2,
(In thousands)                                     2007       2006
- ----------------------------------------------------------------------


ASSETS

Current assets:

Cash and cash equivalents                       $  246,589 $  266,173

Short-term investments                             113,344     29,800

Accounts receivable, net                            89,986     90,882

Inventories                                         85,076     58,692

Deferred Taxes                                         318      4,085

Prepaid and other current assets                    18,484     20,370
                                                ----------------------

Total current assets                               553,797    470,002

Property, plant and equipment, net                  93,058    108,663

Goodwill                                         1,038,064  1,010,659

Acquisition-related intangibles                    314,484    427,772

Other assets                                        24,386     20,595
                                                ----------------------

TOTAL ASSETS                                    $2,023,789 $2,037,691
                                                ======================



LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:

Accounts payable                                $   47,854 $   39,891

Accrued compensation and related expenses           30,882     23,198

Deferred income on shipments to distributors        34,343     29,797

Income taxes payable                                22,050     29,119

Other accrued liabilities                           20,034     25,633
                                                ----------------------

Total current liabilities                          155,163    147,638


Deferred tax liabilities                            13,535     16,273

Long term liabilities                               16,001     15,581
                                                ----------------------

Total liabilities                                  184,699    179,492


Stockholders' equity                             1,839,090  1,858,199
                                                ----------------------

TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY      $2,023,789 $2,037,691
                                                ======================




    CONTACT: IDT Investor Relations
             Mike Knapp, 408-284-6515 (Financial Contact)
             mike.knapp@idt.com
             or
             IDT Worldwide Marketing
             Chad Taggard, 408-284-8200 (Press Contact)
             chad.taggard@idt.com