Datasheet > X28C512JI-12T2

X28C512JI-12T2

更新时间： 2024-10-03 14:21:07

品牌	Logo	应用领域
瑞萨 - RENESAS		可编程只读存储器电动程控只读存储器电可擦编程只读存储器内存集成电路
页数	文件大小	规格书
24页	158K
描述
EEPROM, 64KX8, 120ns, Parallel, CMOS, PQCC32, PLASTIC, LCC-32

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中文翻译

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数据手册

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X28C512JI-12T2 数据手册

512K

64K x 8 Bit

X28C512/X28C513

5 Volt, Byte Alterable EEPROM

FEATURES

• Two PLCC and LCC pinouts

—X28C512

• X28C010 EPROM pin compatible

—X28C513

• Access time: 90ns

• Simple byte and page write

—Single 5V supply

• No external high voltages or V control

circuits

—Self-timed

• Compatible with lower density EEPROMs

DESCRIPTION

• No erase before write

• No complex programming algorithms

• No overerase problem

• Low power CMOS

—Active: 50mA

—Standby: 500µA

• Software data protection

—Protects data against system level inadvertent

writes

• High speed page write capability

• Highly reliable Direct Write^™cell

—Endurance: 100,000 write cycles

—Data retention: 100 years

• Early end of write detection

—DATA polling

The X28C512/513 is a 64K x 8 EEPROM, fabricated

with Xicor’s proprietary, high performance, ﬂoating

gate CMOS technology. Like all Xicor programmable

nonvolatile memories, the X28C512/513 is a 5V only

device. The X28C512/513 features the JEDEC

approved pin out for byte wide memories, compatible

with industry standard EPROMS.

The X28C512/513 supports a 128-byte page write

operation, effectively providing a 39µs/byte write cycle

and enabling the entire memory to be written in less

than 2.5 seconds. The X28C512/513 also features

DATA Polling and Toggle Bit Polling, system software

support schemes used to indicate the early completion

of a write cycle. In addition, the X28C512/513 supports

the software data protection option.

—Toggle bit polling

BLOCK DIAGRAM

512Kbit

EEPROM

Array

X Buffers

Latches and

Decoder

A –A

I/O Buffers

and Latches

Y Buffers

Latches and

Decoder

A –A

I/O –I/O

Data Inputs/Outputs

Control

Logic and

Timing

Characteristics subject to change without notice. 1 of 24

REV 1.0 6/27/00

www.xicor.com

12 3 4 5 6 7...24

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