Download CY7C456 Datasheet PDF
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CY7C456 Description

The CY7C455, CY7C456, and CY7C457 are high-speed, low-power, first-in first-out (FIFO) memories with clocked read and write interfaces. The CY7C455, CY7C456, and CY7C457 can be cascaded to increase FIFO depth.

CY7C456 Key Features

  • High-speed, low-power, first-in first-out (FIFO) memories
  • 512 x 18 (CY7C455)
  • 1,024 x 18 (CY7C456)
  • 2,048 x 18 (CY7C457)
  • 0.65 micron CMOS for optimum speed/power
  • High-speed 83-MHz operation (12 ns read/write cycle time)
  • Low power
  • ICC=90 mA
  • Fully asynchronous and simultaneous read and write operation
  • Empty, Full, Half Full, and programmable Almost Empty and Almost Full status flags