HT27LC512 datasheet(1/10 Pages) HOLTEK

Part #	HT27LC512

Description	OTP CMOS 64Kx 8-Bit EPROM

PDF	10 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT27LC512

OTP CMOS 64K

×8-Bit EPROM

Block Diagram

Features

•

64K

×8-bit organization

•

Single +3.3V power supply

•

Programming voltage

–

VPP=12.2V

±0.2V

–

VCC=5.8V

±0.2V

•

Low power consumption

–

Active: 15mA max.

–

Standby: 1

µA typ.

•

Fast read access time: 120ns

•

CMOS and TTL compatible I/O

•

Commercial and industrial temperature range

•

Fast programming algorithm

•

Read access time: –120ns

•

Programming time 75

µs typ.

•

High-reliability CMOS technology

•

Latch-up immunity to 100mA from -1.0V to

VCC+1.0V

•

Two line control (OE & CE)

•

Standard product identification code

•

Package type

–

28-pin DIP/SOP

–

32-pin PLCC

•

Commercial temperature ranges

(0

°C to +70°C)

General Description

The HT27LC512 chip family is a low-power,

512K bit, +3.3V electrically one-time pro-

grammable

(O TP ) read-o nly memories

(EPROM). Organized into 64K words with 8

bits per word, it features a fast single address

location programming, typically at 75

µs per

byte. Any byte can be accessed in less than 120ns

with respect to Spec. This eliminates the need for

WAIT states in high-performance microprocessor

systems. The HT27LC512 has separate Output Enable

(OE) and Chip Enable (CE) controls which

eliminate bus contention issues.

1

6th May ’99

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HT27LC512 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

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