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24LC21/PC33 PDF预览

24LC21/PC33

更新时间: 2024-11-18 14:49:07
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时钟光电二极管内存集成电路
页数 文件大小 规格书
24页 371K
描述
128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8

24LC21/PC33 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:DIP
包装说明:DIP,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):0.4 MHz
数据保留时间-最小值:200JESD-30 代码:R-PDIP-T8
JESD-609代码:e3长度:9.46 mm
内存密度:1024 bit内存集成电路类型:EEPROM
内存宽度:8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:70 °C最低工作温度:
组织:128X8封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE并行/串行:SERIAL
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:4.32 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:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
最长写入周期时间 (tWC):10 msBase Number Matches:1

24LC21/PC33 数据手册

 浏览型号24LC21/PC33的Datasheet PDF文件第2页浏览型号24LC21/PC33的Datasheet PDF文件第3页浏览型号24LC21/PC33的Datasheet PDF文件第4页浏览型号24LC21/PC33的Datasheet PDF文件第5页浏览型号24LC21/PC33的Datasheet PDF文件第6页浏览型号24LC21/PC33的Datasheet PDF文件第7页 
Not recommended for new designs –  
Please use 24LCS21A.  
24LC21  
1K 2.5V Dual Mode I2CSerial EEPROM  
Features:  
Package Types  
PDIP  
• Single supply with operation down to 2.5V  
• Completely implements DDC1 /DDC2 interface  
for monitor identification  
NC  
NC  
1
2
8
7
VCC  
• Low-power CMOS technology:  
- 1 mA active current typical  
VCLK  
- 10 A standby current typical at 5.5V  
NC  
3
4
6
5
SCL  
SDA  
2
• 2-wire serial interface bus, I C compatible  
• Self-timed write cycle (including auto-erase)  
• Page-write buffer for up to 8 bytes  
VSS  
• 100 kHz (2.5V) and 400 kHz (5V) compatibility  
• Factory programming (QTP) available  
• 1,000,000 erase/write cycles ensured  
• Data retention > 200 years  
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  
1994-2012 Microchip Technology Inc.  
DS21095K-page 1  

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