CY7C4425/4205/4215 CY7C4225/4235/4245 64/256/512/1K/2K/4K x 18 Synchronous FIFOs Features ■ High speed, low power, first-in first-out (FIFO) memories ■ 64 x 18 (CY7C4425) ■ 256 x 18 (CY7C4205) ■ 512 x 18 (CY7C4215) ■ 1K x 18 (CY7C4225) ■ 2K x 18 (CY7C4235) ■ 4K x 18 (CY7C4245) ■ High speed 100 MHz operation (10 ns read/write cycle time) ■ Low power (ICC = 45 mA) ■ Fully asynchronous and simultaneous read and write operation ■ Empty, Full, Half Full, and Programmable Almost Empty/Almost Full status flags ■ TTL compatible ■ Retransmit function ■ Output Enable (OE) pin ■ Independent read and write enable pins ■ Center power and ground for reduced noise ■ Supports free running 50% duty cycle cl...

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