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CAT24C21 PDF预览

CAT24C21

更新时间: 2024-11-26 11:51:19
品牌 Logo 应用领域
安森美 - ONSEMI 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 153K
描述
1 kb Dual Mode Serial EEPROM for VESA “Plug-and-Play”

CAT24C21 数据手册

 浏览型号CAT24C21的Datasheet PDF文件第2页浏览型号CAT24C21的Datasheet PDF文件第3页浏览型号CAT24C21的Datasheet PDF文件第4页浏览型号CAT24C21的Datasheet PDF文件第5页浏览型号CAT24C21的Datasheet PDF文件第6页浏览型号CAT24C21的Datasheet PDF文件第7页 
CAT24C21  
1 kb Dual Mode Serial  
EEPROM for VESAt  
“Plug-and-Play”  
Description  
http://onsemi.com  
The CAT24C21 is a 1 kb Serial CMOS EEPROM internally  
organized as 128 words of 8 bits each. The device complies with the  
Video Electronics Standard Association’s (VESA), Display Data  
Channel (DDC) standards for “PlugandPlay” monitors. The  
“transmitonly” mode (DDC1) is controlled by the VCLK clock  
input and the “bidirectional” mode (DDC2) is controlled by the  
SCL clock input, with both modes sharing a common SDA  
input/output (I/O). The transmitonly mode is a readonly mode,  
while the bidirectional mode is a read and write mode following the  
SOIC8  
W SUFFIX  
CASE 751BD  
TDFN8  
ZD4 SUFFIX  
CASE 511AL  
MSOP8  
Z SUFFIX  
CASE 846AD  
2
I C protocol. In write mode the CAT24C21 features a 16byte page  
write buffer. The device is available in 8lead DIP, SOIC, TSSOP,  
MSOP and TDFN packages.  
PDIP8  
L SUFFIX  
TSSOP8  
Y SUFFIX  
Features  
CASE 646AA CASE 948AL  
DDC1t/DDC2t Interface Compliant for Monitor Identification  
2
400 kHz I C Bus Compatible  
2.5 to 5.5 Volt Operation  
PIN CONFIGURATION  
16byte Page Write Buffer  
1
NC  
NC  
NC  
V
CC  
Hardware Write Protect  
VCLK  
SCL  
Low Power CMOS Technology  
1,000,000 Program/Erase Cycles  
100 Year Data Retention  
V
SS  
SDA  
Industrial Temperature Range  
8lead DIP, SOIC, TSSOP, MSOP or TDFN Packages  
This Device is PbFree, Halogen Free/BFR Free, and RoHS  
Compliant  
PDIP (L), SOIC (W), TSSOP (Y),  
TDFN (ZD4), MSOP (Z)  
PIN FUNCTION  
Pin Name  
Function  
No Connect  
V
CC  
NC  
SDA  
SCL  
Serial Data / Address  
Serial Clock (bidirectional mode)  
Serial Clock (transmitonly mode)  
Power Supply  
SCL  
VCLK  
CAT24C21  
SDA  
V
CC  
V
SS  
Ground  
VCLK  
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  
© Semiconductor Components Industries, LLC, 2009  
1
Publication Order Number:  
September, 2009 Rev. 16  
CAT24C21/D  

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