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CAT24C64
64-kb I2C Serial EEPROM
CAT24C64
64 kb I2 C CMOS Serial
EEPROM
Description
The CAT24C64 is a 64 kb CMOS Serial EEPROM device,
internally organized as 8192 words of 8 bits each.
It features a 32ïbyte page write buffer and supports the Standard
(100 kHz), Fast (400 kHz) and FastïPlus (1 MHz) I2 C protocol.
External address pins make it possible to address up to eight
CAT24C64 devices on the same bus.
Features Supports Standard, Fast and FastïPlus I2 C Protocol 1.7 V to 5.5 V Supply Voltage Range 32ïByte Page Write Buffer Hardware Write Protection for Entire Memory Schmitt Triggers and Noise Suppression Filters on I2 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 PDIP , SOIC, TSSOP, MSOP 8ïlead and TDFN/UDFN 8ïpad
Packages This Device is PbïFree, Halogen Free/BFR Free, and RoHS
Compliant
Figure 1. Functional Symbol
SDA
SCL
CAT24C64
VCC
VSS
A2, A1, A0
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PIN CONFIGURATION
SDA
VCC
VSS 1
See detailed ordering and shipping information in the package
ORDERING INFORMATION
SOICï8
W SUFFIX
CASE 751BD
TDFNï8
VP2 SUFFIX
CASE 511AK
SCL
PDIP (L), SOIC (W, X), TSSOP (Y),
MSOP (Z), TDFN (VP2), UDFN (HU4)
PDIPï8
L SUFFIX
CASE 646AA
TSSOPï8
Y SUFFIX
CASE 948AL
Device AddressA0, A1, A2
Serial DataSDA
Serial ClockSCL
Write ProtectWP
Power SupplyVCC
GroundVSS
FunctionPin Name
PIN FUNCTION
For the location of Pin 1, please consult the
corresponding package drawing.
UDFNï8
HU4 SUFFIX
CASE 517AZ
MSOPï8
Z SUFFIX
CASE 846AD
SOICï8
X SUFFIX
CASE 751BE
