CY7C457 Overview
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.
CY7C457 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