© 2005 Microchip Technology Inc.

DS21754G-page 1

24AA512/24LC512/24FC512

Device Selection Table

Features:

• Low-power CMOS technology:

- Maximum write current 5 mA at 5.5V

- Maximum read current 400

μA at 5.5V

- Standby current 100 nA, typical at 5.5V

• Cascadable for up to eight devices

• Self-timed erase/write cycle

• 128-byte Page Write mode available

• 5 ms max. write cycle time

• Hardware write-protect for entire array

• Schmitt Trigger inputs for noise suppression

• 1,000,000 erase/write cycles

• Electrostatic discharge protection > 4000V

• Data retention > 200 years

• 8-pin PDIP, SOIC (208 mil), and DFN packages

• 14-lead TSSOP package

• Pb-free finishes available

• Temperature ranges:

- Industrial (I):

-40

°C to +85°C

- Automotive (E): -40

°C to +125°C

Description:

The Microchip Technology Inc. 24AA512/24LC512/

24FC512 (24XX512*) is a 64K x 8 (512 Kbit) Serial

Electrically Erasable PROM, capable of operation

across a broad voltage range (1.8V to 5.5V). It has

been developed for advanced, low-power applications

such as personal communications and data acquisi-

tion. This device also has a page write capability of up

to 128 bytes of data. This device is capable of both

random and sequential reads up to the 512K boundary.

Functional address lines allow up to eight devices on

the same bus, for up to 4 Mbit address space. This

device is available in the standard 8-pin plastic DIP,

SOIC, DFN and 14-lead TSSOP packages.

Block Diagram

Package Type

Part

Number

Range

Max. Clock

Frequency

Temp.

Ranges

24AA512

1.8-5.5V

I

24LC512

2.5-5.5V

400 kHz

I, E

24FC512

2.5-5.5V

1 MHz

I

Note 1:

HV Generator

EEPROM

Array

Page Latches

YDEC

XDEC

Sense Amp.

R/W Control

Memory

Control

Logic

I/O

Control

Logic

I/O

A0 A1 A2

SDA

SCL

WP

A0

A1

A2

WP

SCL

SDA

1

2

3

4

8

7

6

5

PDIP

SOIC

A0

A1

A2

1

2

3

4

8

7

6

5

WP

SCL

SDA

TSSOP

DFN

A0

A1

A2

WP

SCL

SDA

5

6

7

8

4

3

2

1

NC

A0

A1

NC

A2

NC

NC

WP

NC

SCL

SDA

NC

1

2

3

4

14

13

12

11

5

10

6

9

7

8

* 24XX512 is used in this document as a generic part number for the 24AA512/24LC512/24FC512 devices.