57
CY7C455 CY7C456 CY7C457
512 x 18, 1K x 18, and 2K x 18 Cascadable Clocked FIFOs with Programmable Flags
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 • TTL compatible • Retransmit function • Parity generation/checking • Output Enable (OE) pins • Independent read and write enable pins • Center power and ground pins for reduced no...