Datasheet > IS24C52

IS24C52

更新时间： 2024-11-09 21:55:31

品牌	Logo	应用领域
美国芯成 - ISSI		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
14页	70K
描述
2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection

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IS24C52 数据手册

IS24C52

ISSI

2k-bit 2-WIRE SERIAL CMOS EEPROM

with Permanent Write-Protection

ADVANCEDINFORMATION

JANUARY2004

FEATURES

DESCRIPTION

• Two-Wire Serial Interface

The IS24C52 is an electrically erasable PROM device

that uses the standard 2-wire interface for

– Bidirectional data transfer protocol

– 400 kHz (I²C ^TMProtocol) Compatibility

communications. The IS24C52 contains a memory array

of 2,048-bits (256K x 8), and is further subdivided into 16

pages of 16 bytes each for page-write mode. The

software write-protection feature is initiated with a unique

irreversible instruction. After this command is

• Organization:

– 256-bit x 8-bit

transmitted, the first 128 bytes of the array become

permanently read-only. This feature is popular in

applications like DRAM DIMMs to retain DRAM related

data. This EEPROM is offered in wide operating voltages

of 1.8V to 5.5V (IS24C52-2) and 2.5V to 5.5V (IS24C52-

3) to be compatible with most application voltages. ISSI

designed the IS24C52 as a low-cost and low-power 2-

wire EEPROM solution. The devices are packaged in 8-

pin SOIC, and 8-pin TSSOP, and 8-pin MSOP.

• Data Protection Features

– Write Protect Pin

– Permanent Software Protection

• 16-Byte Page Write Buffer

– Partial Page-writes permitted

• Low Power CMOS Technology

– Active Current less than 2 mA (5V)

– Standby Current less than 6 µA (5V)

– Standby Current less than 2 µA (2.5V)

• Low Voltage Operation

The IS24C52 maintains compatibility with the popular 2-

wire bus protocol, so it is easy to use in applications

implementing this bus type. The simple bus consists of

the Serial Clock wire (SCL) and the Serial Data wire

(SDA). Using the bus, a Master device such as a

microcontroller is usually connected to one or more

Slave devices such as the IS24C52. The bit stream over

the SDA line includes a series of bytes, which identifies

a particular Slave device, an instruction, an address

within that Slave device, and a series of data, if

appropriate. The IS24C52 has a Write Protect pin (WP)

to allow blocking of any write instruction transmitted over

the bus.

– IS24C52-2: Vcc = 1.8V to 5.5V

– IS24C52-3: Vcc = 2.5V to 5.5V

• Random or Sequential Read Modes

• Filtered Inputs for Noise Suppression

• Self timed Write cycle with auto clear

– 5 ms @ 2.5V

• HighReliability

– Endurance: 1,000,000 Cycles

– Data Retention: 40 Years

• Commercial and Industrial temperature ranges

• 8-pin SOIC, 8-pin TSSOP, and 8-pin MSOP

Copyright © 2004 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability

arisingoutoftheapplicationoruseofanyinformation, productsorservicesdescribedherein. Customersareadvisedtoobtainthelatestversionofthisdevicespecificationbeforerelyingonanypublished

informationandbeforeplacingordersforproducts.

Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774

PRELIMINARYINFORMATION Rev.00B

01/26/04

12 3 4 5 6 7...14

中文翻译

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与IS24C52相关器件

型号	品牌	获取价格	描述	数据表
IS24C52-2G	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-2GI	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-2S	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-2SI	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-2Z	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-2ZI	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-3G	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-3GI	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-3S	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection
IS24C52-3SI	ISSI	获取价格	2k-bit 2-WIRE SERIAL CMOS EEPROM with Permanent Write-Protection

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