Datasheet > 24C256

24C256

更新时间： 2024-11-09 22:35:35

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
12页	53K
描述
262,144-bit 2-WIRE SERIAL CMOS EEPROM

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中文翻译

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数据手册

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24C256 数据手册

IS24C256

ISSI

262,144-bit 2-WIRE SERIAL

CMOS EEPROM

ADVANCEDINFORMATION

MARCH 2003

DESCRIPTION

The IS24C256 is an electrically erasable PROM device

that uses the standard 2-wire interface for

FEATURES

• Organization:

communications. The IS24C256 contains a memory

array of 256K-bits (32,768 x 8), and is further

subdivided into 512 pages of 64 bytes each for Page-

Write mode. This EEPROM is offered in wide operating

voltages of 1.8V to 5.5V (IS24C256-2) and 2.5V to 5.5V

(IS24C256-3) to be compatible with most application

voltages. ISSI designed the IS24C256 to be a low-cost

and low-power 2-wire EEPROM solution. The devices

are packaged in 8-pin PDIP, 8-pin SOIC, and 14-pin

TSSOP.

– 32K-bit x 8-bit

• 64-Byte Page Write Buffer

• Two-Wire Serial Interface

– Bi-directional data transfer protocol

• Low Power CMOS Technology

– Active Current less than 3 mA (5V)

– Standby Current less than 6 µA (5V)

– Standby Current less than 2 µA (2.5V)

• Wide Voltage Operation

The IS24C256 maintains compatibility with the popular

2-wire bus protocol, so it is easy to design into

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 IS24C256. 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 IS24C256 has a Write

Protect pin (WP) to allow blocking of any write

instruction transmitted over the bus.

– IS24C256-2: Vcc = 1.8V to 5.5V

– IS24C256-3: Vcc = 2.5V to 5.5V

• 1 MHz (I²C^TMProtocol) Compatibility

• Hardware Data Protection

– Write Protect pin

• Sequential Read Feature

• Filtered Inputs for Noise Suppression

• Self time Write cycle with auto clear

– 5 ms @ 5.0V

• HighReliability

– Endurance: 100,000 Cycles

– Data Retention: 40 Years

• Commercial and Industrial temperature ranges

• 8-pin PDIP, 8-pin SOIC, and 14-pin TSSOP

Copyright © 2003 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. Customersareadvisedtoobtainthelatestversionofthisdevicespecificationbeforerelyingonany

publishedinformationandbeforeplacingordersforproducts.

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

ADVANCEDINFORMATION Rev. 00B

03/11/03

12 3 4 5 6 7...12

中文翻译

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24C28D	ETC	获取价格	Analog IC
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24C32	MICROCHIP	获取价格	32K 5.0V I2C Smart Serial EEPROM
24C32/P	MICROCHIP	获取价格	4K X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8
24C32/SM	MICROCHIP	获取价格	4K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 0.207 INCH, EIAJ, PLASTIC, SOIC-8
24C32-/SM	MICROCHIP	获取价格	32K 5.0V I2C Smart Serial EEPROM
24C32-/SP	MICROCHIP	获取价格	32K 5.0V I2C Smart Serial EEPROM
24C32_04	MICROCHIP	获取价格	32K 5.0V I2C Smart Serial EEPROM
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