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24LCS21A-I/P PDF预览

24LCS21A-I/P

更新时间: 2024-11-05 04:25:31
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
20页 335K
描述
1K 2.5V Dual Mode I2C⑩ Serial EEPROM

24LCS21A-I/P 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:DIP
包装说明:0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51Factory Lead Time:10 weeks
风险等级:5.24其他特性: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:200
耐久性:1000000 Write/Erase CyclesI2C控制字节:1010000R
JESD-30 代码:R-PDIP-T8JESD-609代码:e3
长度:9.271 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: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:DIP
封装等效代码:DIP8,.3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 APPLICABLE电源:3/5 V
认证状态:Not Qualified座面最大高度:5.334 mm
串行总线类型:I2C最大待机电流:0.00003 A
子类别:EEPROMs最大压摆率:0.003 mA
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:INDUSTRIAL
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 APPLICABLE宽度:7.62 mm
最长写入周期时间 (tWC):10 ms写保护:HARDWARE
Base Number Matches:1

24LCS21A-I/P 数据手册

 浏览型号24LCS21A-I/P的Datasheet PDF文件第2页浏览型号24LCS21A-I/P的Datasheet PDF文件第3页浏览型号24LCS21A-I/P的Datasheet PDF文件第4页浏览型号24LCS21A-I/P的Datasheet PDF文件第5页浏览型号24LCS21A-I/P的Datasheet PDF文件第6页浏览型号24LCS21A-I/P的Datasheet PDF文件第7页 
24LCS21A  
1K 2.5V Dual Mode I2CSerial EEPROM  
Features:  
Package Types  
PDIP  
• Single supply with operation down to 2.5V  
NC  
NC  
1
2
8
7
Vcc  
• Completely implements DDC1™/DDC2™  
interface for monitor identification, including  
recovery to DDC1  
VCLK  
• Low-power CMOS technology:  
WP  
Vss  
3
4
6
5
SCL  
SDA  
- 1 mA active current, typical  
- 10 μA standby current, typical at 5.5V  
• 2-wire serial interface bus, I2C™ compatible  
• 100 kHz (2.5V) and 400 kHz (5V) compatibility  
• Self-timed write cycle (including auto-erase)  
• Hardware write-protect pin  
SOIC  
1
2
8
7
NC  
Vcc  
• Page write buffer for up to eight bytes  
• 1,000,000 erase/write cycles ensured  
• Data retention > 200 years  
NC  
WP  
Vss  
VCLK  
3
4
6
5
SCL  
SDA  
• ESD Protection > 4000V  
• 8-pin PDIP and SOIC package  
• Available for extended temperature ranges:  
- Commercial (C):  
- Industrial (I):  
0°C to +70°C  
-40°C to +70°C  
Block Diagram  
WP  
Description:  
HV Generator  
The Microchip Technology Inc. 24LCS21A is a  
128 x 8-bit dual-mode Electrically Erasable PROM.  
This device is designed for use in applications  
requiring storage and serial transmission of configura-  
tion 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 memory array from 00h to 7Fh, clocked by the  
VCLK pin. A valid high-to-low transition on the SCL  
pin will cause the device to enter the Transition mode  
and look for a valid control byte on the I2C bus. If it  
detects a valid control byte from the master, it will  
switch into Bidirectional mode, with byte selectable  
read/write capability of the memory array using SCL.  
If no control byte is received, the device will revert to  
the Transmit-Only mode after it receives 128 consec-  
utive VCLK pulses while the SCL pin is idle. The  
24LCS21A also enables the user to write-protect the  
entire memory array using its write-protect pin. The  
24LCS21A is available in a standard 8-pin PDIP and  
SOIC package in both commercial and industrial  
temperature ranges.  
I/O  
Control  
Logic  
Memory  
Control  
Logic  
EEPROM  
Array  
XDEC  
Page Latches  
SCL  
SDA  
YDEC  
VCLK  
Sense AMP  
R/W Control  
VCC  
VSS  
Pin Function Table  
Name  
Function  
WP  
VSS  
Write-Protect (active low)  
Ground  
SDA  
SCL  
VCLK  
VCC  
NC  
Serial Address/Data I/O  
Serial Clock (Bidirectional mode)  
Serial Clock (Transmit-Only mode)  
+2.5V to 5.5V Power Supply  
No Connection  
DDC is a trademark of the Video Electronics Standards Assoc.  
2
I C is a trademark of Philips Corporation.  
© 2005 Microchip Technology Inc.  
DS21161G-page 1  

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