Datasheet Summary
CY7C4221 CY7C42311 K / 2 K × 9 Synchronous FIFOs
CY7C4221 / CY7C4231
1 K / 2 K × 9 Synchronous FIFOs
1 K / 2 K × 9 Synchronous FIFOs
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-patible
- 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...
