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CAT34C02VP2I-GT Datasheet(PDF) 1 Page - ON Semiconductor

No. de pieza CAT34C02VP2I-GT
Descripción Electrónicos  2 kb I2C EEPROM for DDR2 DIMM Serial Presence Detect TSSOP?? Y SUFFIX
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CAT34C02VP2I-GT Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2011
March, 2011 − Rev. 17
1
Publication Order Number:
CAT34C02/D
CAT34C02
2 kb I2C EEPROM for DDR2
DIMM Serial Presence
Detect
Description
The CAT34C02 is a 2 kb Serial CMOS EEPROM, internally
organized as 16 pages of 16 bytes each, for a total of 256 bytes of 8 bits
each.
It features a 16−byte page write buffer and supports both the
Standard (100 kHz) as well as Fast (400 kHz) I2C protocol.
Write operations can be inhibited by taking the WP pin High (this
protects the entire memory) or by setting an internal Write Protect flag
via Software command (this protects the lower half of the memory).
In addition to Permanent Software Write Protection, the
CAT34C02 also features JEDEC compatible Reversible Software
Write Protection for DDR2 Serial Presence Detect (SPD)
applications operating over the 1.7 V to 3.6 V supply voltage range.
The CAT34C02 is fully backwards compatible with earlier
DDR1 SPD applications operating over the 1.7 V to 5.5 V supply
voltage range.
Features
Supports Standard and Fast I2C Protocol
1.7 V to 5.5 V Supply Voltage Range
16−Byte Page Write Buffer
Hardware Write Protection for Entire Memory
Software Write Protection for Lower 128 Bytes
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
This Device is Pb−Free, Halogen Free/BFR Free and RoHS
Compliant*
Figure 1. Functional Symbol
SDA
SCL
WP
CAT34C02
VCC
VSS
A2, A1, A0
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
PIN CONFIGURATION
SDA
WP
VCC
VSS
A2
A1
A0
1
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
ORDERING INFORMATION
SCL
TSSOP (Y), TDFN (VP2),
UDFN (HU3), UDFN (HU4)
UDFN−8
HU3 SUFFIX
CASE 517AX
TSSOP−8
Y SUFFIX
CASE 948AL
Device Address Input
A0, A1, A2
Serial Data Input/Output
SDA
Serial Clock Input
SCL
Write Protect Input
WP
Power Supply
VCC
Ground
VSS
Function
Pin Name
PIN FUNCTION
For the location of Pin 1, please consult the
corresponding package drawing.
TDFN−8
VP2 SUFFIX
CASE 511AK
UDFN−8 EP
HU4 SUFFIX
CASE 517AZ


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