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CAT34C02VP2IGT4A

更新时间： 2024-11-19 12:36:23
品牌 Logo 应用领域
安森美 - ONSEMI 双倍数据速率可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
14页 171K
描述
2 kb I2C EEPROM for DDR2 DIMM Serial Presence Detect

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CAT34C02VP2IGT4A 数据手册

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CAT34C02  
2 kb I2C EEPROM for DDR2  
DIMM Serial Presence  
Detect  
Description  
http://onsemi.com  
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  
2
Standard (100 kHz) as well as Fast (400 kHz) I C 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.  
TSSOP−8  
Y SUFFIX  
CASE 948AL  
TDFN−8  
VP2 SUFFIX  
CASE 511AK  
UDFN−8  
HU3 SUFFIX  
CASE 517AX  
UDFN−8 EP  
HU4 SUFFIX  
CASE 517AZ  
Features  
2
• Supports Standard and Fast I C Protocol  
• 1.7 V to 5.5 V Supply Voltage Range  
• 16−Byte Page Write Buffer  
PIN CONFIGURATION  
1
A
A
A
V
0
1
2
CC  
WP  
• Hardware Write Protection for Entire Memory  
• Software Write Protection for Lower 128 Bytes  
SCL  
SDA  
2
• Schmitt Triggers and Noise Suppression Filters on I C Bus Inputs  
V
SS  
(SCL and SDA)  
TSSOP (Y), TDFN (VP2),  
UDFN (HU3), UDFN (HU4)  
• Low power CMOS Technology  
• 1,000,000 Program/Erase Cycles  
• 100 Year Data Retention  
• Industrial Temperature Range  
For the location of Pin 1, please consult the  
corresponding package drawing.  
• This Device is Pb−Free, Halogen Free/BFR Free and RoHS  
PIN FUNCTION  
Compliant*  
V
Pin Name  
Function  
Device Address Input  
Serial Data Input/Output  
Serial Clock Input  
Write Protect Input  
Power Supply  
CC  
A , A , A  
0
1
2
SDA  
SCL  
SCL  
WP  
CAT34C02  
SDA  
A , A , A  
2
1
0
V
CC  
WP  
V
SS  
Ground  
V
SS  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 14 of this data sheet.  
Figure 1. Functional Symbol  
*For additional information on our Pb−Free strategy and soldering details, please  
download the ON Semiconductor Soldering and Mounting Techniques  
Reference Manual, SOLDERRM/D.  
© Semiconductor Components Industries, LLC, 2011  
1
Publication Order Number:  
March, 2011 − Rev. 17  
CAT34C02/D  
1234567...14

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CAT34C02VP2IGT4A 替代型号

型号 品牌 替代类型 描述 数据表
CAT34C02VP2I-GT4 ONSEMI

类似代替

 2 kb I2C EEPROM for DDR2 DIMM Serial Presence Detect
CAT34C02HU3I-GT4 ONSEMI

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