CY7C409A, CY7C408A-15DMB Datasheet (Cypress)

CY7C409A, CY7C408A-15DMB, 64 x 9 Cascadable FIFO

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 the FIFO is almost full or almost empty, otherwis

CY7C409A Features

* 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-port RAM architecture

* Fast (50-ns) bubble-through

* Independent asynchronous inputs and outputs