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24LC21T PDF预览

24LC21T

更新时间: 2024-02-25 17:14:23
品牌 Logo 应用领域
美国微芯 - MICROCHIP 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
24页 236K
描述
1K 2.5V Dual Mode I2C Serial EEPROM

24LC21T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:SOIC
包装说明:0.150 INCH, PLASTIC, SOIC-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.21
其他特性:2-WIRE SERIAL INTERFACE; DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED最大时钟频率 (fCLK):0.1 MHz
数据保留时间-最小值:200JESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
内存密度:1024 bit内存集成电路类型:EEPROM
内存宽度:8湿度敏感等级:1
功能数量:1端子数量:8
字数:128 words字数代码:128
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:128X8
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
并行/串行:SERIAL峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
串行总线类型:I2C最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.5 V标称供电电压 (Vsup):3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mm最长写入周期时间 (tWC):10 ms
Base Number Matches:1

24LC21T 数据手册

 浏览型号24LC21T的Datasheet PDF文件第2页浏览型号24LC21T的Datasheet PDF文件第3页浏览型号24LC21T的Datasheet PDF文件第4页浏览型号24LC21T的Datasheet PDF文件第5页浏览型号24LC21T的Datasheet PDF文件第6页浏览型号24LC21T的Datasheet PDF文件第7页 
Not recommended for new designs –  
Please use 24LCS21A.  
24LC21  
1K 2.5V Dual Mode Serial EEPROM  
Features:  
Package Types  
PDIP  
• Single supply with operation down to 2.5V  
• Completely implements DDC1/DDC2interface  
for monitor identification  
NC  
NC  
1
2
8
7
VCC  
• Low-power CMOS technology:  
VCLK  
- 1 mA active current typical  
- 10 µA standby current typical at 5.5V  
• 2-wire serial interface bus, compatible  
• Self-timed write cycle (including auto-erase)  
• Page-write buffer for up to 8 bytes  
• 100 kHz (2.5V) and 400 kHz (5V) compatibility  
• Factory programming (QTP) available  
• 1,000,000 erase/write cycles ensured  
• Data retention > 200 years  
NC  
3
4
6
5
SCL  
SDA  
VSS  
SOIC  
1
2
8
7
NC  
NC  
VCC  
• 8-pin PDIP and SOIC package  
VCLK  
• Available for extended temperature ranges  
Commercial (C):  
Industrial (I):  
0°C to +70°C  
-40°C to +85°C  
3
4
5
5
NC  
SCL  
SDA  
VSS  
Description:  
The Microchip Technology Inc. 24LC21 is a 128 x 8 bit  
Electrically Erasable PROM. This device is designed  
for use in applications requiring storage and serial  
transmission of configuration and control information.  
Two modes of operation have been implemented:  
Transmit-only mode and Bidirectional mode. Upon  
power-up, the device will be in the Transmit-only mode,  
sending a serial bit stream of the entire memory array  
contents, clocked by the VCLK pin. A valid high-to-low  
transition on the SCL pin will cause the device to enter  
the Bidirectional mode, with byte selectable read/write  
capability of the memory array. The 24LC21 is available  
in a standard 8-pin PDIP and SOIC package, in both  
commercial and industrial temperature ranges.  
Block Diagram  
VCLK  
HV Generator  
I/O  
Control  
Logic  
Memory  
Control  
Logic  
EEPROM  
Array  
XDEC  
Page Latches  
SDA SCL  
YDEC  
VCC  
VSS  
Sense Amp  
R/W Control  
is a trademark of Philips Corporation.  
DDC is a trademark of the Video Electronics Standards Association.  
2004 Microchip Technology Inc.  
DS21095J-page 1  

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