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IDT72041

Part Number	IDT72041
Manufacturer	Integrated Device Technology
Description	(IDT720x1) CMOS ASYNCHRONOUS FIFO
Published	Jul 8, 2008
Detailed Description	CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9 Integrated Device Technology, Inc. IDT72021 IDT72031 IDT7...
Datasheet	IDT72041 PDF File

Overview

CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9 Integrated Device Technology, Inc.
IDT72021 IDT72031 IDT72041 FEATURES: • First-In/First-Out Dual-Port memory • Bit organization – IDT72021—1K x 9 – IDT72031—2K x 9 – IDT72041—4K x 9 • Ultra high speed – IDT72021—25ns access time – IDT72031—35ns access time www.
DataSheet4U.
com – IDT72041—35ns access time • Easily expandable in word depth and/or width • Asynchronous and simultaneous read and write • Functionally equivalent to IDT7202/03/04 with Output Enable (OE ) and Almost Empty/Almost Full Flag (AEF ) • Four status flags: Full, Empty, Half-Full (single device mode), and Almost Empty/Almost Full (7/8 empty or 7/8 full in single device mode) • Output Enable controls the data output port • Auto-retransmit capability • Available in 32-pin DIP and PLCC • Military product compliant to MIL-STD-883, Class B • Industrial temperature range (-40oC to +85oC) is avail able, tested to military electrical specifications DESCRIPTION: IDT72021/031/041s are high-speed, low-power, dual-port memory devices commonly known as FIFOs (First-In/FirstOut).
Data can be written into and read from the memory at independent rates.
The order of information stored and extracted does not change, but the rate of data entering the FIFO might be different than the rate leaving the FIFO.
Unlike a Static RAM, no address information is required because the read and write pointers advance sequentially.
The IDT72021/ 031/041s can perform asynchronous and simultaneous read and write operations.
There are four status flags, (HF , FF , EF , AEF ) to monitor data overflow and underflow.
Output Enable (OE ) is provided to control the flow of data through the output port.
Additional key features are Write (W ), Read (R ), Retransmit (RT ), First Load (FL ), Expansion In (XI ) and Expansion Out (XO ).
The IDT72021/031/041s are designed for those applications requiring data control flags and Output Enable (OE ) in multiprocessing and rate buffer ap...

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