CAT24M01
1 Mb I 2 C CMOS Serial
EEPROM
Description
The CAT24M01 is a 1024 kb Serial CMOS EEPROM, internally
organized as 131,072 words of 8 bits each.
It features a 256 ? byte page write buffer and supports the Standard
(100 kHz), Fast (400 kHz) and Fast ? Plus (1 MHz) I 2 C protocol.
Write operations can be inhibited by taking the WP pin High (this
protects the entire memory).
http://onsemi.com
External address pins make it possible to address up to four
CAT24M01 devices on the same bus.
On ? Chip ECC (Error Correction Code) makes the device suitable
for high reliability applications.
SOIC ? 8
W SUFFIX
CASE 751BD
UDFN ? 8
HU5 SUFFIX
CASE 517BU
SOIC ? 8
X SUFFIX
CASE 751BE
Features
V CC
?
?
?
?
?
?
?
?
?
?
?
Supports Standard, Fast and Fast ? Plus I 2 C Protocol
1.8 V to 5.5 V Supply Voltage Range
256 ? 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 and Extended Temperature Range
8 ? pin PDIP, SOIC, TSSOP and 8 ? pad UDFN Packages
These Devices are Pb ? Free, Halogen Free/BFR Free and are RoHS
Compliant
V CC
SCL
PDIP ? 8 TSSOP ? 8
L SUFFIX Y SUFFIX
CASE 646AA CASE 948AL
PIN CONFIGURATION
NC 1
A 1 WP
A 2 SCL
V SS SDA
PDIP (L), SOIC (W, X),
TSSOP (Y), UDFN (HU5)
For the location of Pin 1, please consult the
corresponding package drawing.
PIN FUNCTION
A 2 , A 1
WP
CAT24M01
SDA
Pin Name
A 1 , A 2
SDA
Function
Device Address
Serial Data
SCL
Serial Clock
V SS
Figure 1. Functional Symbol
WP
V CC
V SS
Write Protect
Power Supply
Ground
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
? Semiconductor Components Industries, LLC, 2012
October, 2012 ? Rev. 3
1
Publication Order Number:
CAT24M01/D
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