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CY62128 Datasheet 128k X 8 Static Ram

Manufacturer: Cypress (now Infineon)

Overview: 1CY 621 28 fax id: 1072 PRELIMINARY CY62128 128K x 8 Static RAM.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The CY62128 is a high-performance CMOS static RAM organized as 131,072 words by 8 bits.

Easy memory expansion is provided by an active LOW chip enable (CE1), an active HIGH chip enable (CE2), an active LOW output enable (OE), and three-state drivers.

This device has an automatic power-down Logic Block Diagram Pin Configurations Top View SOJ / SOIC NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC A15 CE2 WE A13 A8 A9 A11 OE A10 CE1 I/O7 I/O6 I/O5 I/O4 I/O3 I/O0 INPUT BUFFER A0 A1 A2 A3 A4 A5 A6

Key Features

  • 4.5V.
  • 5.5V operation.
  • CMOS for optimum speed/power.
  • Low active power (70 ns, LL version).
  • 330 mW (max. ) (60 mA).
  • Low standby power (70 ns, LL version).
  • 110 µW (max. ) (20 µA).
  • Automatic power-down when deselected.
  • TTL-compatible inputs and outputs.
  • Easy memory expansion with CE1, CE2, and OE options feature that reduces power consumption by more than 75% when deselected. Writing to the device is accomplishe.

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