24AA32A-EOT datasheet, PDF - EEWORLD Datasheet

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24AA32A-EOT: Description32K I2C⑩ Serial EEPROM; File Size617KB，36 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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24AA32A-EOT Overview

32K I2C⑩ Serial EEPROM

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24AA32A/24LC32A

32K I

™

Serial EEPROM

Device Selection Table

Part

Number

24AA32A

24LC32A

Note 1:

Range

1.7-5.5

2.5-5.5

Max. Clock

Frequency

400 kHz

(1)

400 kHz

Temp.

Ranges

I, E

Description:

The Microchip Technology Inc. 24AA32A/24LC32A

(24XX32A*) is a 32 Kbit Electrically Erasable PROM.

The device is organized as a single block of 4K x 8-bit

memory with a 2-wire serial interface. Low-voltage

design permits operation down to 1.7V, with standby

and active currents of only 1

A

and 1 mA,

respectively. It has been developed for advanced, low-

power applications such as personal communications

or data acquisition. The 24XX32A also has a page write

capability for up to 32 bytes of data. Functional address

lines allow up to eight devices on the same bus, for up

to 256 Kbits address space. The 24XX32A is available

in the standard 8-pin PDIP, surface mount SOIC, SOIJ,

TSSOP, DFN, TDFN and MSOP packages. The

24XX32A is also available in the 5-lead SOT-23 and

Chip Scale packages.

100 kHz for V

<2.5V.

Features:

• Single Supply with Operation down to 1.7V for

24AA32A devices, 2.5V for 24LC32A devices

• Low-Power CMOS Technology:

- Active current 1 mA, typical

- Standby current 1

A,

typical

• 2-Wire Serial Interface, I

C™ Compatible

• 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

• 32-Byte Page Write Buffer

• Hardware Write-Protect

• ESD Protection > 4,000V

• More than 1 Million Erase/Write Cycles

• Data Retention > 200 Years

• Factory Programming Available

• Packages Include 8-lead PDIP, SOIC, SOIJ,

TSSOP, MSOP, DFN, TDFN, 5-lead SOT-23 and

Chip Scale

• Pb-Free and RoHS Compliant

• Temperature Ranges:

- Industrial (I):

-40°C to +85°C

- Automotive (E): -40°C to +125°C

Block Diagram

A0 A1 A2 WP

HV Generator

I/O

Control

Logic

Memory

Control

Logic

XDEC

EEPROM

Array

Page Latches

I/O

SDA

Vcc

SCL

YDEC

Sense Amp.

R/W Control

Package Types

PDIP/MSOP/SOIC/SOIJ/TSSOP

Note

SCL

SDA

SCL

SOT-23

A0 1

A1 2

A2 3

DFN/TDFN

8 V

7 WP

6 SCL

5 SDA

CS (Chip Scale)

(2)

SCL

SDA

(Top Down View,

Balls Not Visible)

Pins A0, A1 and A2 are not used by the 24XX32A (no internal connections).

Available in I-temp, “AA” only.

*24XX32A is used in this document as a generic part number for the 24AA32A/24LC32A devices.



2009 Microchip Technology Inc.

DS21713K-page 1

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