24LC32AT-I/OT datasheet, PDF - EEWORLD Datasheet

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24LC32AT-I/OT: DescriptionEEPROM Serial-2Wire 32K-bit 4K x 8 3.3V/5V 5-Pin SOT-23 T/R; Categorystorage storage; File Size1MB，44 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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24LC32AT-I/OT Overview

EEPROM Serial-2Wire 32K-bit 4K x 8 3.3V/5V 5-Pin SOT-23 T/R

24LC32AT-I/OT Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.32.00.51
Chip Density (bit)	32K
Organization	4Kx8
Address Bus Width (bit)	3
Programmability	Yes
Data Retention (Year)	200(Min)
Max. Access Time (ns)	900
Maximum Operating Frequency (MHz)	0.4
Process Technology	CMOS
Interface Type	Serial-2Wire
Minimum Operating Supply Voltage (V)	2.5
Typical Operating Supply Voltage (V)	3.3\|5
Maximum Operating Supply Voltage (V)	5.5
Programming Voltage (V)	2.5 to 5.5
Operating Current (mA)	3
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Industrial
Hardware Data Protection	Yes
Packaging	Tape and Reel
Number of Bits per Word (bit)	8
Pin Count	5
Standard Package Name	SOT-23
Supplier Package	SOT-23
Mounting	Surface Mount
Package Height	1.3(Max)
Package Length	2.9
Package Width	1.6
PCB changed	5
Lead Shape	Gull-wing

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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, X-Rotated 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

SCL

SDA

SOT-23

X-Rotated TSSOP

(X/ST)

SCL

SDA

DFN/TDFN

A0 1

A1 2

A2 3

8 V

7 WP

6 SCL

5 SDA

CS (Chip Scale)

(1)

SCL

2 V

5 SDA

(Top Down View,

Balls Not Visible)

Note

Available in I-temp, “AA” only.

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



2002-2012 Microchip Technology Inc.

DS21713M-page 1

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