24AA256UIDT-ISLASHSN datasheet(1/28 Pages) MICROCHIP

部件名	24AA256UIDT-I/SN

功能描述	256K I2C??Serial EEPROM

PDF	28 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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1 / 28 page

 2013 Microchip Technology Inc.

DS20005215A-page 1

24AA256UID

Device Selection Table

Features:

• Pre-Programmed 32-Bit Serial Number:

- Unique across all UID-family EEPROMs

- 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

• Single Supply with Operation Down to 1.7V

• Low-Power CMOS Technology:

- Active current 400 uA, typical

- 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.

• Self-Timed Erase/Write Cycle

• 64-Byte Page Write Buffer

• ESD Protection >4000V

• More than One Million Erase/Write Cycles

• Data Retention >200 years

• Packages Include 8-lead PDIP, SOIC and TSSOP

• RoHS Compliant

• Temperature Ranges:

Description:

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.

Block Diagram

Package Types

Part Number

VCC

Range

Max. Clock

Frequency

Temp.

Ranges

Page

Size

EUI-48™

EUI-64™

Unique ID

Length

24AA256UID

1.7-5.5V

400 kHz(1)

I

64-byte

Yes

32-bit

Note 1:

100 kHz for VCC < 2.5V.

- Industrial (I):

-40

C to +85C

HV Generator

EEPROM

Array

Page Latches

YDEC

XDEC

Sense Amp.

R/W Control

Memory

Control

Logic

I/O

Control

Logic

I/O

A0 A1A2

SDA

SCL

VCC

VSS

A0

A1

A2

VSS

VCC

NC

SCL

SDA

1

2

3

4

8

7

6

5

PDIP

SOIC/TSSOP

A0

A1

A2

VSS

1

2

3

4

8

7

6

5

VCC

NC

SCL

SDA

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

Unique 32-Bit Serial Number

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