DESCRIPTION

The IDT723612 is a monolithic high-speed, low-power CMOS bi-directional clocked FIFO memory. It supports clock frequencies up to 67 MHz and has read access times as fast as 10ns. Two independent 64 x 36 dual-port SRAM FIFOs on board the chip buffer data in opposite directions.

FEATURES

• Free-running CLKA and CLKB can be asynchronous or

coincident (simultaneous reading and writing of data on a

single clock edge is permitted)

• Two independent clocked FIFOs (64 x 36 storage capacity

each) buffering data in opposite directions

• Mailbox bypass Register for each FIFO

• Programmable Almost-Full and Almost-Empty Flags

• Microprocessor interface control logic

• EFA, FFA, AEA, and AFA flags synchronized by CLKA

• EFB, FFB, AEB, and AFB flags synchronized by CLKB

• Passive parity checking on each port

• Parity generation can be selected for each port

• Supports clock frequencies up to 67 MHz

• Fast access times of 10ns

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

spacesaving 120-pin thin quad flat package (TQFP)

• Industrial temperature range (–40°C to +85°C) is available

• Green parts available, see ordering information