Datasheet > X28HC256JZ-90

X28HC256JZ-90

更新时间： 2024-11-19 03:09:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		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
页数	文件大小	规格书
20页	410K
描述
5V, Byte Alterable EEPROM

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数据手册

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X28HC256JZ-90 数据手册

X28HC256

256k, 32k x 8-Bit

Data Sheet

May 7, 2007

FN8108.2

5V, Byte Alterable EEPROM

Features

The X28HC256 is a second generation high performance

CMOS 32k x 8 EEPROM. It is fabricated with Intersil’s

proprietary, textured poly floating gate technology, providing

a highly reliable 5V only nonvolatile memory.

• Access time: 70ns

• Simple byte and page write

- Single 5V supply

- No external high voltages or V_P-Pcontrol circuits

- Self-timed

The X28HC256 supports a 128-byte page write operation,

effectively providing a 24µs/byte write cycle, and enabling

the entire memory to be typically rewritten in less than 0.8

seconds. The X28HC256 also features DATA Polling and

Toggle Bit Polling, two methods of providing early end of

write detection. The X28HC256 also supports the JEDEC

standard Software Data Protection feature for protecting

against inadvertent writes during power-up and power-down.

- No erase before write

- No complex programming algorithms

- No overerase problem

• Low power CMOS

- Active: 60mA

- Standby: 500µA

Endurance for the X28HC256 is specified as a minimum

1,000,000 write cycles per byte and an inherent data

retention of 100 years.

• Software data protection

- Protects data against system level inadvertent writes

• High speed page write capability

• Highly reliable Direct Write^™cell

- Endurance: 1,000,000 cycles

- Data retention: 100 years

• Early end of write detection

- DATA polling

- Toggle bit polling

• Pb-free plus anneal available (RoHS compliant)

Block Diagram

256kBIT

EEPROM

ARRAY

X BUFFERS

LATCHES AND

DECODER

TO A

ADDRESS

INPUTS

I/O BUFFERS

Y BUFFERS

LATCHES AND

DECODER

AND LATCHES

I/O TO I/O

DATA INPUTS/OUTPUTS

CONTROL

LOGIC AND

TIMING

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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