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HM51W16400 Dataheets PDF



Part Number HM51W16400
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description (HM51W16400 / HM51W17400) Dynamic RAM
Datasheet HM51W16400 DatasheetHM51W16400 Datasheet (PDF)

www.DataSheet4U.com HM51W16400 Series HM51W17400 Series 4,194,304-word × 4-bit Dynamic RAM ADE-203-649C (Z) Rev. 3.0 Feb. 27, 1997 Description The Hitachi HM51W16400 Series, HM51W17400 Series are CMOS dynamic RAMs organized 4,194,304word × 4-bit. They employ the most advanced 0.5 µm CMOS technology for high performance and low power. The HM51W16400 Series, HM51W17400 Series offer Fast Page Mode as a high speed access mode. They have package variations of standard 300-mil 26-pin plastic SOJ an.

  HM51W16400   HM51W16400



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www.DataSheet4U.com HM51W16400 Series HM51W17400 Series 4,194,304-word × 4-bit Dynamic RAM ADE-203-649C (Z) Rev. 3.0 Feb. 27, 1997 Description The Hitachi HM51W16400 Series, HM51W17400 Series are CMOS dynamic RAMs organized 4,194,304word × 4-bit. They employ the most advanced 0.5 µm CMOS technology for high performance and low power. The HM51W16400 Series, HM51W17400 Series offer Fast Page Mode as a high speed access mode. They have package variations of standard 300-mil 26-pin plastic SOJ and standard 300-mil 26-pin plastic TSOP. Features • • • Single 3.3 V (±0.3 V) Access time: 50 ns/60 ns/70 ns (max) Power dissipation  Active mode : 324 mW/288mW/252 mW (max) (HM51W16400 Series) : 360 mW/324 mW/288 mW (max) (HM51W17400 Series)  Standby mode : 7.2 mW (max) : 0.36 mW (max) (L-version) Fast page mode capability Long refresh period  4096 refresh cycles : 64 ms (HM51W16400 Series) : 128 ms (L-version)  2048 refresh cycles : 32 ms (HM51W17400 Series) : 128 ms (L-version) • • HM51W16400 Series, HM51W17400 Series • 4 variations of refresh  RAS -only refresh  CAS -before-RAS refresh  Hidden refresh  Self refresh (L-version) Battery backup operation (L-version) Test function  16-bit parallel test mode • • Ordering Information Type No. HM51W16400S-5 HM51W16400S-6 HM51W16400S-7 HM51W16400LS-5 HM51W16400LS-6 HM51W16400LS-7 HM51W17400S-5 HM51W17400S-6 HM51W17400S-7 HM51W17400LS-5 HM51W17400LS-6 HM51W17400LS-7 HM51W16400TS-5 HM51W16400TS-6 HM51W16400TS-7 HM51W16400LTS-5 HM51W16400LTS-6 HM51W16400LTS-7 HM51W17400TS-5 HM51W17400TS-6 HM51W17400TS-7 HM51W17400LTS-5 HM51W17400LTS-6 HM51W17400LTS-7 Access time 50 ns 60 ns 70 ns 50 ns 60 ns 70 ns 50 ns 60 ns 70 ns 50 ns 60 ns 70 ns 50 ns 60 ns 70 ns 50 ns 60 ns 70 ns 50 ns 60 ns 70 ns 50 ns 60 ns 70 ns 300-mil 26-pin plastic TSOP II (TTP-26/24DA) Package 300-mil 26-pin plastic SOJ (CP-26/24DB) 2 HM51W16400 Series, HM51W17400 Series Pin Arrangement HM51W16400S/LS Series HM51W16400TS/LTS Series VCC I/O1 I/O2 WE RAS A11 1 2 3 4 5 6 26 25 24 23 22 21 VSS I/O4 I/O3 CAS OE A9 VCC I/O1 I/O2 WE RAS A11 1 2 3 4 5 6 26 25 24 23 22 21 VSS I/O4 I/O3 CAS OE A9 A10 A0 A1 A2 A3 VCC 8 9 10 11 12 13 19 18 17 16 15 14 (Top view) A8 A7 A6 A5 A4 VSS A10 A0 A1 A2 A3 VCC 8 9 10 11 12 13 19 18 17 16 15 14 (Top view) A8 A7 A6 A5 A4 VSS Pin Description Pin name A0 to A11 Function Address input — Row/Refresh address — Column address Data input/Data output Row address strobe Column address strobe Read/Write enable Output enable Power supply Ground A0 to A11 A0 to A9 I/O1 to I/O4 RAS CAS WE OE VCC VSS 3 HM51W16400 Series, HM51W17400 Series Pin Arrangement HM51W17400S/LS Series HM51W17400TS/LTS Series VCC I/O1 I/O2 WE RAS NC 1 2 3 4 5 6 26 25 24 23 22 21 VSS I/O4 I/O3 CAS OE A9 VCC I/O1 I/O2 WE RAS NC 1 2 3 4 5 6 26 25 24 23 22 21 VSS I/O4 I/O3 CAS OE A9 A10 A0 A1 A2 A3 VCC 8 9 10 11 12 13 19 18 17 16 15 14 A8 A7 A6 A5 A4 VSS A10 A0 A1 A2 A3 VCC 8 9 10 11 12 13 19 18 17 16 15 14 A8 A7 A6 A5.


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