• Part: HM62W1400H
  • Description: 4M High Speed SRAM
  • Manufacturer: Hitachi Semiconductor
  • Size: 104.78 KB
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Hitachi Semiconductor
HM62W1400H
HM62W1400H is 4M High Speed SRAM manufactured by Hitachi Semiconductor.
Description The HM62W1400H is a 4-Mbit high speed static RAM organized 4-Mword × 1-bit. It has realized high speed access time by employing CMOS process (4-transistor + 2-poly resistor memory cell)and high speed circuit designing technology. It is most appropriate for the application which requires high speed and high density memory, such as cache and buffer memory in system. The HM62W1400H is packaged in 400-mil 32-pin SOJ and 400-mil 32-pin TSOP II for high density surface mounting. Features - Single 3.3 V supply : 3.3 V ± 0.3 V - Access time 12/15 ns (max) - pletely static memory  No clock or timing strobe required - Equal access and cycle times - Directly TTL patible  All inputs and outputs - Operating current: 180/160 m A (max) - TTL standby current: 60/50 m A (max) - CMOS standby current: 5 m A (max) : 1 m A (max) (L-version) - Data retension current: 0.6 m A (max) (L-version) - Data retension voltage: 2 V (min) (L-version) - Center VCC and VSS type pinout HM62W1400H Series Ordering Information Type No. HM62W1400HJP-12 HM62W1400HJP-15 HM62W1400HLJP-12 HM62W1400HLJP-15 HM62W1400HTT-12 HM62W1400HTT-15 HM62W1400HLTT-12 HM62W1400HLTT-15 Access time 12 ns 15 ns 12 ns 15 ns 12 ns 15 ns 12 ns 15 ns 400-mil 32-pin plastic TSOP II (TTP-32DC) Package 400-mil 32-pin plastic SOJ (CP-32DB) Pin Arrangement HM62W1400HJP/HLJP Series A0 A1 A2 A3 A4 A5 CS VCC VSS Din WE A6 A7 A8 A9 A10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 (Top view) 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A21 A20 A19 A18 A17 A16 OE VSS VCC Dout A15 A14 A13 A12 A11 NC HM62W1400HTT/HLTT Series A0 A1 A2 A3 A4 A5 CS VCC VSS Din WE A6 A7 A8 A9 A10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 (Top view) 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A21 A20 A19 A18 A17 A16 OE VSS VCC Dout A15 A14 A13 A12 A11 NC HM62W1400H Series Pin Description Pin name A0 to A21 Din Dout CS OE WE VCC VSS NC Function Address input Data input Data output Chip select Output enable Write enable Power supply Ground No...