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Renesas announces 18 and 36 Mbit QDR II SRAM

Renesas Technology America, Inc., a joint venture of Hitachi, Ltd. and Mitsubishi Electric, announced a line of high-speed QDR II (Quad Data Rate-II) SRAM chips with 18 and 36 Mbit capacities for networking and comms, in particular for high-end routers and switches.

Used as buffer memory, new 0.13µm chips provide up to 1.33Gb/s throughput. Chips are packed into 165-pin FBGA (15x17mm) packages.

Chip Packet Architecture Name Price/availability
36Mbit QDR-II SRAM (133, 167, 200, 250 MHz) 2 words



$184-210 / Sept. 2003 (volume production in Dec. 2003)
x9 HM66AQB9402BP
x18 HM66AQB18202BP
x36 HM66AQB36102BP
36 Mbit QDR-II SRAM (167, 200, 250, 300, 333 ) 4 words



$184-196 / Sept. 2003 (volume production in Dec. 2003)
x9 HM66AQB9404BP
x18 HM66AQB18204BP
x36 HM66AQB36104BP
36 Mbit QDR-II SRAM (133, 167, 200, 250 ) 2 words



Q2 2004
x18 HM66AQB18102BP
x36 HM66AQB36512BP
18 Mbit QDR-II SRAM (167, 200, 250, 300, 333 MHz) 4 words



Q2 2004
x18 HM66AQB18104BP
x36 HM66AQB36514BP

New 133/167/200/250 MHz 36Mbit chips with 2-word packets provide 7.5/6.0/5.0/4.0 ns clock times; 167/200/250/300/333 MHz chips with 4-word packets provide 6.0/5.0/4.0/3.3/3.0 ns clock times.

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