1-Kb and 2-Kb I2C CMOS Serial EEPROM
CAT24AA01, CAT24AA02
EEPROM Serial 1/2-Kb I2C
Description The CAT24AA01/24AA02 are EEPROM Serial 1/2−Kb I2C
devices int...
Description
CAT24AA01, CAT24AA02
EEPROM Serial 1/2-Kb I2C
Description The CAT24AA01/24AA02 are EEPROM Serial 1/2−Kb I2C
devices internally organized as 128x8/256x8 bits. They feature a 16−byte page write buffer and support the Standard
(100 kHz), Fast (400 kHz) and Fast−Plus (1 MHz) I2C 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 I2C bus.
Features
Supports Standard, Fast and Fast−Plus I2C 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 I2C 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
VCC
SCL CAT24AA01 CAT24AA02
WP
SDA
VSS Figure 1. Functional Symbol
www.onsemi.com
TSOT−23 TD SUFFIX CASE 419AE
PIN CONFIGURATIONS TSOT−23
SCL VSS SDA
15 2 34
WP VCC
(Top View)
MARKING DIAGRAM
RSYM
RS = Device Code Y = Production Year (Last Digit) M = Production Month (1−9, O, N, D)
Pin Name SDA SCL WP VCC VSS
PIN FUNCTION Function
Serial Data/Address Clock Input Write Protect Power Supply Ground
ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet.
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