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HM6208H Datasheet High Speed CMOS Static Ram

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: .. HM6208H Series 65,536-word × 4-bit High Speed CMOS Static.

General Description

Pin Name A0–A15 I/O1–I/O4 CS WE VCC VSS Function Address lnput/output Chip select Write enable Power supply Ground 2 HM6208H Series Block Diagram A14 A15 A0 A1 A2 A3 A4 A5 I/O1 I/O2 I/O3 I/O4 A13 A12 A11 A10 A9 A8 A7 A6 Input data control VCC Row decoder Memory array 256 × 1024 VSS Column I/O Column decoder CS WE Truth Table CS H L L WE × H L Mode Not selected Read Write VCC Current I SB , I SB1 I CC I CC I/O Pin High-Z Dout Din Ref.

Cycle — Read cycle Write cycle Note: ×: Don’t care.

Absolute Maximum Ratings Parameter Voltage on any pin relative to V SS Power dissipation Operating temperature range Storage temperature range Storage temperature range under bias Note: Symbol Vin PT Topr Tstg Tbias Value –0.5 to +7.0 1.0 0 to +70 –55 to +125 –10 to +85 *1 Unit V W °C °C °C 1.

Key Features

  • Single 5 V supply and high density 24-pin package.
  • High speed: Access time 25/35/45 ns (max).
  • Low power  Operation: 300 mW (typ)  Standby: 100 µW (typ) 30 µW (typ) (L-version).
  • Completely static memory required  No clock or timing strobe required.
  • Equal access and cycle time.
  • Directly TTL compatible: All inputs and outputs.
  • Battery backup operation capability (L-version) Ordering Information Type No. HM6208HP-25 HM6208HP-35 HM62.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
Hitachi Logo HM6208 4 Bit CMOS Static RAM Hitachi

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HM6208H Distributor