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CY7C1009B Datasheet 128k X 8 Static Ram

Manufacturer: Cypress (now Infineon)

Overview: 009B CY7C109B CY7C1009B 128K x 8 Static RAM.

General Description

The CY7C109B / CY7C1009B 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 Out- Logic Block Diagram Pin Configurations SOJ Top View NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND A11 A9 A8 A13 WE CE2 A15 VCC NC A16 A14 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 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 A

Key Features

  • High speed.
  • tAA = 12 ns.
  • Low active power.
  • 495 mW (max. 12 ns).
  • Low CMOS standby power.
  • 55 mW (max. ) 4 mW.
  • 2.0V Data Retention.
  • Automatic power-down when deselected.
  • TTL-compatible inputs and outputs.
  • Easy memory expansion with CE1, CE2, and OE options put Enable (OE), and three-state drivers. Writing to the device is accomplished by taking Chip Enable One (CE1) and Write Enable (WE) inputs LOW and Chip En.

CY7C1009B Distributor