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CAT24C05TDI-T3 Datasheet(PDF) 1 Page - ON Semiconductor

Part # CAT24C05TDI-T3
Description  2-Kb and 4-Kb I2C Serial EEPROM with Partial Array Write Protection
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT24C05TDI-T3 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2009
August, 2009 − Rev. 3
1
Publication Order Number:
CAT24C03/D
CAT24C03, CAT24C05
2-Kb and 4-Kb I2C Serial
EEPROM with Partial Array
Write Protection
Description
The CAT24C03/05 is a 2−Kb/4−Kb CMOS Serial EEPROM device
organized internally as 16/32 pages of 16 bytes each, for a total of
256x8/512x8 bits. These devices support both 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.
Write operations can be inhibited for upper half of memory by
taking the WP pin High.
External address pins make it possible to address up to eight
CAT24C03 or four CAT24C05 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 Upper Half of 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
SCL
WP
CAT24C03
Figure 1. Functional Symbol
VSS
SDA
VCC
A2, A1, A0
CAT24C05
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
ORDERING INFORMATION
SOIC−8
W SUFFIX
CASE 751BD
TSOT−23
TD SUFFIX
CASE 419AE
PDIP−8
L SUFFIX
CASE 646AA
TSSOP8
Y SUFFIX
CASE 948AL
TDFN8
VP2 SUFFIX
CASE 511AK
VCC
WP
SDA
VSS
SCL
1
2
3
5
4
TSOT−23 (TD)
PIN CONFIGURATIONS
(Top Views)
SDA
SCL
WP
VCC
VSS
A2/A2
A1/A1
NC/A0
1
2
3
4
8
7
6
5
CAT24C05/03
PDIP (L), SOIC (W),
TSSOP (Y), TDFN (VP2)
PIN FUNCTION
Pin Name
A0, A1, A2
Function
Device Address Inputs
SDA
Serial Data Input/Output
SCL
Serial Clock Input
WP
Write Protect Input
VCC
Power Supply
VSS
Ground
NC
No Connect


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