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CAT34C02 PDF预览

CAT34C02

更新时间: 2024-01-28 11:39:44
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页数 文件大小 规格书
17页 306K
描述
2-Kb I2C EEPROM for DDR2 DIMM Serial Presence Detect

CAT34C02 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred包装说明:TSSOP, TSSOP8,.25
Reach Compliance Code:unknown风险等级:5.71
数据保留时间-最小值:100耐久性:1000000 Write/Erase Cycles
I2C控制字节:1010DDDRJESD-30 代码:R-PDSO-G8
内存密度:2048 bit内存集成电路类型:EEPROM
内存宽度:8端子数量:8
字数:256 words字数代码:256
最高工作温度:85 °C最低工作温度:-40 °C
组织:256X8封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
并行/串行:SERIAL电源:2/5 V
认证状态:Not Qualified串行总线类型:I2C
最大待机电流:0.000002 A子类别:EEPROMs
最大压摆率:0.001 mA表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL写保护:HARDWARE/SOFTWARE
Base Number Matches:1

CAT34C02 数据手册

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CAT34C02  
2-Kb I2C EEPROM for DDR2 DIMM Serial Presence Detect  
FEATURES  
DEVICE DESCRIPTION  
Supports Standard and Fast I2C Protocol  
1.7 V to 5.5 V Supply Voltage Range  
16-Byte Page Write Buffer  
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.  
Hardware Write Protection for entire memory  
Software Write Protection for lower 128 Bytes  
Schmitt Triggers and Noise Suppression Filters  
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).  
on I2C Bus Inputs (SCL and SDA).  
Low power CMOS technology  
1,000,000 program/erase cycles  
100 year data retention  
In addition to Permanent Software Write Protection,  
the CAT34C02 also features JEDEC compatible  
ReversibleSoftwareWriteProtectionforDDR2Serial  
Presence Detect (SPD) applications operating over  
the 1.7 V to 3.6 V supply voltage range.  
RoHS compliant “  
& “  
8-pin TSSOP and TDFN packages  
Industrial temperature 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.  
PIN CONFIGURATION  
TSSOP (Y)  
TDFN (VP2)  
FUNCTIONAL SYMBOL  
A
1
8
V
CC  
0
V
CC  
A
2
3
4
7
6
5
WP  
1
2
A
SCL  
SDA  
V
SS  
SCL  
For the location of Pin 1, please consult the  
corresponding package drawing.  
A , A , A  
CAT34C02  
SDA  
2
1
0
WP  
PIN FUNCTIONS  
A0, A1, A2  
SDA  
SCL  
Device Address  
Serial Data  
Serial Clock  
Write Protect  
Power Supply  
Ground  
V
SS  
WP  
* Catalyst carries the I2C protocol under a license from the Philips Corporation.  
VCC  
VSS  
© 2005 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc. No. 1095, Rev. C  
1

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