Datasheet > 97314

97314

更新时间： 2022-06-01 21:11:19

品牌	Logo	应用领域
爱特美尔 - ATMEL		可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
14页	306K
描述
4-Megabit (512K x 8) otp eprom

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97314 数据手册

Features

• Fast Read Access Time – 70 ns

• Low Power CMOS Operation

– 100 µA Max Standby

– 30 mA Max Active at 5 MHz

• JEDEC Standard Packages

– 32-lead PDIP

– 32-lead PLCC

– 32-lead TSOP

4-Megabit

(512K x 8)

OTP EPROM

• 5V 10% Supply

• High Reliability CMOS Technology

– 2000V ESD Protection

– 200 mA Latchup Immunity

• Rapid Programming Algorithm – 100 µs/Byte (Typical)

• CMOS and TTL Compatible Inputs and Outputs

• Industrial Temperature Range

• Green (Pb/Halide-free) Packaging Option

AT27C040

1. Description

The AT27C040 chip is a low-power, high-performance, 4,194,304-bit one-time pro-

grammable read-only memory (OTP EPROM) organized as 512K by 8 bits. The

AT27C040 requires only one 5V power supply in normal read mode operation. Any

byte can be accessed in less than 70 ns, eliminating the need for speed reducing

WAIT states on high-performance microprocessor systems.

Atmel’s scaled CMOS technology provides low active power consumption, and fast

programming. Power consumption is typically 8 mA in active mode and less than

10 µA in standby mode.

The AT27C040 is available in a choice of industry-standard JEDEC-approved one-

time programmable (OTP) plastic PDIP, PLCC and TSOP packages. The device fea-

tures two-line control (CE, OE) to eliminate bus contention in high-speed systems.

Atmel’s AT27C040 has additional features to ensure high quality and efficient produc-

tion use. The Rapid Programming Algorithm reduces the time required to program the

part and guarantees reliable programming. Programming time is typically only

100 µs/byte. The Integrated Product Identification Code electronically identifies the

device and manufacturer. This feature is used by industry-standard programming

equipment to select the proper programming algorithms and voltages.

0189G–EPROM–05/05

12 3 4 5 6 7...14

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