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CAT24C164 Datasheet PDF : 14 Pages
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CAT24C164
16 kb CMOS Serial
EEPROM, Cascadable
Description
The CAT24C164 is a 16 kb CMOS cascadable Serial EEPROM
device organized internally as 128 pages of 16 bytes each, for a total of
2048 x 8 bits. The device supports both the Standard (100 kHz) as well
as Fast (400 kHz) I2C protocol.
Data is written by providing a starting address, then loading 1 to 16
contiguous bytes into a Page Write Buffer, and then writing all data to
non−volatile memory in one internal write cycle. Data is read by
providing a starting address and then shifting out data serially while
automatically incrementing the internal address count.
External address pins make it possible to address up to eight
CAT24C164 devices on the same bus.
Features
• Supports Standard and Fast I2C Protocol
• 1.8 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
• PDIP, SOIC, TSSOP and TDFN 8−lead Packages
• This Device is Pb−Free, Halogen Free/BFR Free, and RoHS
Compliant
VCC
SCL
A2, A1, A0
WP
CAT24C164
SDA
VSS
Figure 1. Functional Symbol
http://onsemi.com
SOIC−8
W SUFFIX
CASE 751BD
TDFN−8
VP2 SUFFIX
CASE 511AK
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
PIN CONFIGURATION
A0
1
A1
VCC
WP
A2
SCL
VSS
SDA
PDIP (L), SOIC (W),
TSSOP (Y), TDFN (VP2)
(Top View)
For the location of Pin 1, please consult the
corresponding package drawing.
Pin Name
A0, A1, A2
SDA
SCL
WP
VCC
VSS
PIN FUNCTION
Function
Device Address Inputs
Serial Data Input/Output
Serial Clock Input
Write Protect Input
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, 2009
1
October, 2009 − Rev. 2
Publication Order Number:
CAT24C164/D
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