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24LCS22A-I/PG PDF预览

24LCS22A-I/PG

更新时间: 2024-11-06 13:03:59
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 304K
描述
256 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8

24LCS22A-I/PG 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:8542.32.00.51风险等级:5.69
最大时钟频率 (fCLK):0.1 MHzJESD-30 代码:R-PDIP-T8
JESD-609代码:e3长度:9.27 mm
内存密度:2048 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:256 words
字数代码:256工作模式:SYNCHRONOUS
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: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:5.334 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:INDUSTRIAL
端子面层:MATTE TIN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

24LCS22A-I/PG 数据手册

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24LCS22A  
2K VESA® E-EDIDSerial EEPROM  
Features  
Package Types  
PDIP/SOIC  
• Single supply with operation down to 2.5V  
• Supports Enhanced EDID(E-EDID) 1.3  
• Completely implements DDC1/DDC2interface  
for monitor identification, including recovery to  
DDC1  
*NC  
*NC  
1
2
8
7
VCC  
VCLK  
• 2K-bit Serial EEPROM Low-power CMOS  
technology:  
WP  
VSS  
3
4
6
5
SCL  
SDA  
- 1 mA typical active current  
- 10 µA standby current typical at 5.5V  
• 2-wire serial interface bus, I2Ccompatible  
• 100 kHz (2.5V) and 400 kHz (5V) compatibility  
• Self timed write cycle (including auto-erase)  
• Hardware write-protect pin  
* Pins labeled ‘NC’ have no internal connection  
• Page write buffer for up to eight bytes  
• 1,000,000 erase write cycles  
Block Diagram  
• Data retention > 200 years  
WP  
• ESD protection > 4000V  
HV Generator  
• 8-pin DIP and SOIC packages  
• Available temperature ranges:  
I/O  
Control  
Logic  
Memory  
Control  
Logic  
- Industrial (I)  
-40°C to +85°C  
EEPROM  
Array  
XDEC  
Description  
Page Latches  
The Microchip Technology Inc. 24LCS22A is a 256 x 8-bit  
dual-mode Electrically Erasable PROM (EEPROM). 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 (1K-bit) and  
Bidirectional mode (2K-bit). 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 entire 2K memory array using SCL. If no  
control byte is received, the device will revert to the  
Transmit-only mode after it receives 128 consecutive  
VCLK pulses while the SCL pin is idle. The 24LCS22A is  
available in standard 8-pin DIP and SOIC packages. The  
24LCS22A features a flexible Write-Protect pin which is  
enabled by writing to address 7Fh (usually the checksum  
in VESA® applications.  
SDA  
SCL  
YDEC  
VCLK  
Sense Amp.  
R/W Control  
Vcc  
Vss  
2003 Microchip Technology Inc.  
DS21682B-page 1  

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