CY7C4231 - Cypress

CY7C4231 1 K / 2 K x 9 Synchronous FIFOs

The CY7C42X1 are high-speed, low-power FIFO memories with clocked read and write interfaces. All are nine bits.

Features

■ High-speed, low-power, first-in first-out (FIFO) memories
❐ 1 K × 9 (CY7C4221)
❐ 2 K × 9 (CY7C4231)
■ High-speed 66.7 MHz operation (15 ns read/write cycle time)
■ Low power (ICC = 35 mA)
■ Fully asynchronous and simultaneous read and write operation
■ Empty, Full, and Programmable Almost Empty and Almost Full status flags
■ TTL-compatible
■ Output Enable (OE) pin to three-state the output bus
■ Independent read and write enable pins
■ Center power and ground pins for reduced noise
■ Width-expansion capability
■ Space saving 7 mm × 7 mm 32-pin TQFP and 32-pin PLCC packages available
■ Pin-co.