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DESCRIPTION:

The IDT723631/723641/723651 is a monolithic highspeed, low-power, CMOS clocked FIFO memory.

FEATURES:

? Free-running CLKA and CLKB can be asynchronous or

coincident (permits simultaneous reading and writing of

data on a single clock edge)

? Clocked FIFO buffering data from Port A to Port B

? Storage capacity: IDT723631 - 512 x 36

IDT723641 - 1024 x 36

IDT723651 - 2048 x 36

? Synchronous read retransmit capability

? Mailbox register in each direction

? Programmable Almost-Full and Almost-Empty flags

? Microprocessor interface control logic

? Input-Ready (IR) and Almost-Full (AF) flags synchronized

by CLKA

? Output-Ready (OR) and Almost-Empty (AE) flags synchronized by CLKB

? Low-power 0.8-micron advanced CMOS technology

? Supports clock frequencies up to 67 MHz

? Fast access times of 11 ns

? Available in 132-pin plastic quad flat package (PQF) or

space-saving 120-pin thin quad flat package (TQFP)

? Industrial temperature range (-40°C to +85°C) is available,

tested to military electrical specifications