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CAT24AA01, CAT24AA02
1-Kb and 2-Kb I 2 C CMOS
Serial EEPROM
Description
The CAT24AA01/24AA02 are 1 ? Kb and 2 ? Kb CMOS Serial
1
EEPROM devices internally organized as 128x8/256x8 bits.
They feature a 16 ? byte page write buffer and support both the
Standard (100 kHz) and the Fast (400 kHz) I 2 C protocols.
In contrast to the CAT24C01/24C02, the CAT24AA01/24AA02
have no external address pins, and are therefore suitable in
applications that require a single CAT24AA01/02 on the I 2 C bus.
Features
? Supports Standard and Fast I 2 C Protocol
? 1.7 V to 5.5 V Supply Voltage Range
? 16 ? Byte Page Write Buffer
? Hardware Write Protection for Entire Memory
? Schmitt Triggers and Noise Suppression Filters on I 2 C Bus Inputs
(SCL and SDA)
? Low Power CMOS Technology
? 1,000,000 Program/Erase Cycles
? 100 Year Data Retention
? Industrial Temperature Range
? These Devices are Pb ? Free, Halogen Free/BFR Free and are RoHS
Compliant
V CC
http://onsemi.com
SOIC ? 8 TSOT ? 23
W SUFFIX TB SUFFIX
CASE 751BD CASE 419AE
PIN CONFIGURATIONS
SOIC
NC 8 V CC
NC 2 7 WP
NC 3 6 SCL
V SS 4 5 SDA
(Top View)
TSOT ? 23
SCL
SCL
V SS
1
2
5
WP
CAT24AA01
CAT24AA02
SDA
SDA
3 4
(Top View)
V CC
WP
PIN FUNCTION
V SS
Figure 1. Functional Symbol
Pin Name
SDA
SCL
WP
V CC
V SS
NC
Function
Serial Data/Address
Clock Input
Write Protect
Power Supply
Ground
No Connect
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
? Semiconductor Components Industries, LLC, 2009
August, 2009 ? Rev. 3
1
Publication Order Number:
CAT24AA01/D
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