CY7C409A fifo equivalent, 64 x 9 cascadable fifo.
* 64 x 8 and 64 x 9 first-in first-out (FIFO) buffer memory
* 35-MHz shift in and shift out rates
* Almost Full/Almost Empty and Half Full flags
* Dual-po.
The CY7C408A and CY7C409A are 64-word deep by 8- or 9-bit wide first-in first-out (FIFO) buffer memories. In addition to the industry-standard handshaking signals, almost full/almost empty (AFE) and half-full (HF) flags are provided.
AFE is HIGH when.
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