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DESCRIPTION:

The IDT72205LB/72215LB/72225LB/72235LB/72245LB are very high-speed, low-power First-In, First-Out (FIFO) memories with clocked read and write controls.

FEATURES:

? 256 x 18-bit organization array (72205LB)

? 512 x 18-bit organization array (72215LB)

? 1024 x 18-bit organization array (72225LB)

? 2048 x 18-bit organization array (72235LB)

? 4096 x 18-bit organization array (72245LB)

? 15 ns read/write cycle time

? Easily expandable in depth and width

? Read and write clocks can be asynchronous or coincident

? Dual-Port zero fall-through time architecture

? Programmable almost-empty and almost-full flags

? Empty and Full flags signal FIFO status

? Half-Full flag capability in a single device configuration

? Output enable puts output data bus in high-impedance

state

? High-performance submicron CMOS technology

? Available in a 64-lead thin quad flatpack (TQFP/STQFP),

pin grid array (PGA), and plastic leaded chip carrier

(PLCC)

? Military product compliant to MIL-STD-883, Class B

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

tested to military electrical specifications