Datasheet > 24AA256UID

24AA256UID

更新时间： 2024-11-02 01:09:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		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
28页	575K
描述
256K I2Câ¢ Serial EEPROM

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中文翻译

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24AA256UID 数据手册

24AA256UID

256K I²C™ Serial EEPROM with EUI-48™, EUI-64™ and

Unique 32-Bit Serial Number

Device Selection Table

VCC

Range

Max. Clock

Frequency

Temp.

Ranges

Page

Size

Unique ID

Length

Part Number

EUI-48™

EUI-64™

24AA256UID

1.7-5.5V

400 kHz⁽¹⁾

64-byte

Yes

32-bit

Note 1: 100 kHz for VCC < 2.5V.

Features:

Description:

• Pre-Programmed 32-Bit Serial Number:

- Unique across all UID-family EEPROMs

The Microchip Technology Inc. 24AA256UID is a 32K x

8 (256 Kbit) Serial Electrically Erasable PROM with

pre-programmed EUI-48 and EUI-64 node addresses

and a 32-bit Unique ID, capable of operation across a

broad voltage range (1.7V to 5.5V). This device also

has a page write capability of up to 64 bytes of data.

This device is available in the standard 8-pin plastic

DIP, SOIC and TSSOP packages.

- Scalable to 48-bit, 64-bit, 128-bit, 256-bit,

and other lengths

• Pre-Programmed Globally Unique, 48-bit or 64-bit

Node Address:

- Compatible with EUI-48™ and EUI-64™

• Codes Stored in Permanently Write-Protected

Upper 1/8th of EEPROM Array

Block Diagram

• Single Supply with Operation Down to 1.7V

• Low-Power CMOS Technology:

- Active current 400 uA, typical

A0 A1A2

HV Generator

- Standby current 100 nA, typical

• 2-Wire Serial Interface, I²C^™Compatible

• Cascadable up to Eight Devices

• Schmitt Trigger Inputs for Noise Suppression

• Output Slope Control to Eliminate Ground Bounce

• 100 kHz and 400 kHz Clock Compatibility

• Page Write Time 5 ms Max.

I/O

Control

Logic

Memory

Control

Logic

EEPROM

Array

XDEC

Page Latches

I/O

SCL

YDEC

SDA

• Self-Timed Erase/Write Cycle

VCC

VSS

• 64-Byte Page Write Buffer

Sense Amp.

R/W Control

• ESD Protection >4000V

• More than One Million Erase/Write Cycles

• Data Retention >200 years

Package Types

• Packages Include 8-lead PDIP, SOIC and TSSOP

• RoHS Compliant

PDIP

SOIC/TSSOP

• Temperature Ranges:

- Industrial (I):

VCC

-40C to +85C

SCL

SDA

VSS

SDA

VSS

 2013 Microchip Technology Inc.

DS20005215A-page 1

12 3 4 5 6 7...28

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