CY7C4221 fifos equivalent, 1 k / 2 k x 9 synchronous fifos.
* 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 cy.
The CY7C42X1 are high-speed, low-power FIFO memories with clocked read and write interfaces. All are nine bits.
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