Datasheet > AT27LV020A_07

AT27LV020A_07

更新时间： 2024-10-02 06:38:19

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
15页	362K
描述
2-Megabit (256K x 8) Low Voltage OTP EPROM

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中文翻译

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数据手册

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AT27LV020A_07 数据手册

Features

• Fast Read Access Time – 120 ns, see AT27BV020 for Faster Speeds

• Dual Voltage Range Operation

– Low Voltage Power Supply Range, 3.0V to 3.6V

or Standard 5V 10% Supply Range

• Compatible with JEDEC Standard AT27C020

• Low Power CMOS Operation

– 20 µA Max (Less than 1 µA Typical) Standby for V_CC= 3.6V

– 29 mW Max Active at 5 MHz for V_CC= 3.6V

• JEDEC Standard Packages

2-Megabit

(256K x 8)

Low Voltage

OTP EPROM

– 32-lead PLCC

– 32-lead TSOP

– 32-lead VSOP

• High Reliability CMOS Technology

– 2,000V ESD Protection

– 200 mA Latchup Immunity

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

• Two-line Control

• CMOS and TTL Compatible Inputs and Outputs

– JEDEC Standard for LVTTL

• Integrated Product Identification Code

• Industrial Temperature Range

AT27LV020A

• Green (Pb/Halide-free) Packaging Option

1. Description

The AT27LV020A is a high-performance, low-power, low-voltage 2,097,152 bit one-

time programmable read-only memory (OTP EPROM) organized as 256K by 8 bits. It

requires only one supply in the range of 3.0 to 3.6V in normal read mode operation,

making it ideal for fast, portable systems using battery power.

Atmel’s innovative design techniques provide fast speeds that rival 5V parts while

keeping the low power consumption of a 3V supply. At V_CC= 3.0V, any byte can be

accessed in less than 120 ns. With a typical power dissipation of only 18 mW at 5 MHz

and V_CC= 3.3V, the AT27LV020A consumes less than one fifth the power of a stan-

dard 5V EPROM. Standby mode supply current is typically less than 1 µA at 3.3V.

The AT27LV020A is available in industry-standard JEDEC approved one-time pro-

grammable (OTP) plastic PLCC, TSOP, and VSOP. All devices feature two-line

control (CE, OE) to give designers the flexibility to prevent bus contention.

The AT27LV020A operating with V_CCat 3.0V produces TTL level outputs that are

compatible with standard TTL logic devices operating at V_CC= 5.0V. The device is

also capable of standard 5-volt operation making it ideally suited for dual supply range

systems or card products that are pluggable in both 3-volt and 5-volt hosts.

Atmel's AT27LV020A has additional features to ensure high quality and efficient pro-

duction 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. The

AT27LV020A programs exactly the same way as a standard 5V AT27C020 and uses

the same programming equipment.

0549G–EPROM–12/07

12 3 4 5 6 7...15

中文翻译

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与AT27LV020A_07相关器件

型号	品牌	获取价格	描述	数据表
AT27LV020A-10JC	ETC	获取价格	x8 EPROM
AT27LV020A-10JCT/R	ATMEL	获取价格	OTP ROM, 256KX8, 100ns, CMOS, PQCC32, PLASTIC, LCC-32
AT27LV020A-10JI	ETC	获取价格	x8 EPROM
AT27LV020A-10JIT/R	ATMEL	获取价格	OTP ROM, 256KX8, 100ns, CMOS, PQCC32, PLASTIC, LCC-32
AT27LV020A-10TC	ETC	获取价格	x8 EPROM
AT27LV020A-10TI	ETC	获取价格	x8 EPROM
AT27LV020A-12	ATMEL	获取价格	2 Megabit 256K x 8 Low Voltage OTP EPROM
AT27LV020A-12CC	ETC	获取价格	x8 EPROM
AT27LV020A-12CI	ETC	获取价格	x8 EPROM
AT27LV020A-12JC	ATMEL	获取价格	2 Megabit 256K x 8 Low Voltage OTP EPROM

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