HT23C040 datasheet(1/10 Pages) HOLTEK

номер детали	HT23C040

подробное описание детали	CMOS 512Kx8-Bit Mask ROM

PDF	10 Pages

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производитель	HOLTEK [Holtek Semiconductor Inc]

домашняя страница	http://www.holtek.com

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HT23C040

CMOS 512K´8-Bit Mask ROM

1

January 20, 2000

Features

·

Operating voltage: 2.7V~5.5V

·

Low power consumption

–

Operation: 25mA max. (VCC=5V)

10mA max. (VCC=3V)

–

Standby: 30mA max. (VCC=5V)

10mA max. (VCC=3V)

·

Access time: 120ns max. (VCC=5V)

250ns max. (VCC=3V)

·

524288´8-bit of mask ROM

·

Mask option: chip enable CE/CE/OE1/OE1,

and output enable OE/OE/NC

·

TTL compatible inputs and outputs

·

Tristate outputs

·

Fully static operation

·

Package type: 32-pin DIP/SOP

General Description

The HT23C040 is a read-only memory with

high performance CMOS storage device whose

4096K of memory is arranged into 524288 word

by 8 bits.

For application flexibility, the chip enable and

output enable control pins can be selected as ac-

tive high or active low. This flexibility not only

allows easy interface with most microproces-

sors, but also eliminates bus contention in mul-

tiple bus microprocessor systems. An

additional feature of the HT23C040 is its abil-

ity to enter the standby mode whenever the

chip enable (CE/CE) is inactive, thus reducing

current consumption to below 30mA. The combi-

nation of these functions makes the chip suit-

able for high density low power memory

applications.

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Holtek Semiconductor In...	HT23C010	275Kb / 8P	CMOS 128K쨈 8-Bit Mask ROM 24th Aug 98
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Аналогичное описание - HT23C040

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