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UM23256

Part Number	UM23256
Manufacturer	UMC
Description	32K x 8 NMOS ROM
Published	Jan 28, 2017
Detailed Description	eUMC UM23256/ UM23256A Features • EPROM pin compatible • 32,768 x 8 bit organization • Single +5 volt supply • Access ...
Datasheet	UM23256 PDF File

Overview

eUMC UM23256/ UM23256A Features • EPROM pin compatible • 32,768 x 8 bit organization • Single +5 volt supply • Access time-200/300/450ns (max) • Totally static operation • Completely TTL compatible • 28 Pin JEDEC approved pinout • UM23256A- automatic power down (CE) output enable function (OE) • UM23256 non power down version two programmable chip selects (CS) • Three state outputs for wire-OR expansion • EPROMs accepted as program data input General Description The UM23256 and UM23256A high performance Read Only Memories are organized 32,768 words by 8 bits with access times from 200 ns to 450 ns.
The ROMs are designed to be compatible with all microprocessor and similar applications where high performance, large bit storage and simple interfacing are important design considerations.
Both ROMs conform to the JEDEC approved pinout for 28 pin 256K ROMs.
The UM23256 offers the simplest operation (no power down.
) Its two programmable chip selects allow up to four...

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