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CY7C139 Datasheet 4K x 8/9 Dual-Port Static RAM

Manufacturer: Cypress (now Infineon)

Overview: CY7C138 CY7C1394K x 8/9 Dual-Port Static RAM with Sem, Int, Busy CY7C138.

Download the CY7C139 datasheet PDF. This datasheet also includes the CY7C138 variant, as both parts are published together in a single manufacturer document.

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General Description

The CY7C138 and CY7C139 are high-speed CMOS 4K x 8 and 4K x 9 dual-port static RAMs.

Various arbitration schemes Logic BlockDiagram R/WL CEL OEL 4K x 8/9 Dual-Port Static RAM with Sem, Int, Busy are included on the C

Key Features

  • True Dual-Ported memory cells that allow simultaneous reads of the same memory location.
  • 4K x 8 organization (CY7C138).
  • 4K x 9 organization (CY7C139).
  • 0.65-micron CMOS for optimum speed/power.
  • High-speed access: 15 ns.
  • Low operating power: ICC = 160 mA (max. ).
  • Fully asynchronous operation.
  • Automatic power-down.
  • TTL compatible.
  • Expandable data bus to 32/36 bits or more using Master/Slave chip select when us.

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CY7C1394BV18 1.8V Synchronous Pipelined SRAM
CY7C1399 32K x 8 3.3V Static RAM
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