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24LC22A-I PDF预览

24LC22A-I

更新时间: 2024-01-16 19:01:20
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 575K
描述
2K VESA E-EDID Serial EEPROM

24LC22A-I 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:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.62
其他特性:DATA RETENTION > 200 YEARS; 1,000,000 ERASE/WRITE CYCLES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:2048 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: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: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

24LC22A-I 数据手册

 浏览型号24LC22A-I的Datasheet PDF文件第2页浏览型号24LC22A-I的Datasheet PDF文件第3页浏览型号24LC22A-I的Datasheet PDF文件第4页浏览型号24LC22A-I的Datasheet PDF文件第5页浏览型号24LC22A-I的Datasheet PDF文件第6页浏览型号24LC22A-I的Datasheet PDF文件第7页 
24LC22A  
2K VESA® E-EDID™ Serial EEPROM  
Features:  
Package Types  
PDIP/SOIC  
• Single Supply with Operation Down to 2.5V  
• Supports Enhanced EDID™ (E-EDID™) 1.3  
• Completely Implements DDC1™/DDC2™  
Interface for Monitor Identification, Including  
Recovery to DDC1  
*NC  
*NC  
1
2
8
7
VCC  
VCLK  
• 2 Kbit Serial EEPROM Low-Power CMOS  
Technology:  
*NC  
VSS  
3
4
6
5
SCL  
SDA  
- 1 mA typical active current  
- 10 uA 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)  
• Page-Write Buffer for up to Eight Bytes  
• 1,000,000 Erase/Write Cycles  
* Pins labeled ‘NC’ has no internal connections  
Block Diagram  
• Data Retention >200 years  
• ESD Protection >4000V  
HV Generator  
• 8-pin PDIP and SOIC Packages  
• Available Temperature Ranges:  
I/O  
Control  
Logic  
Memory  
Control  
Logic  
- Industrial (I)  
-40°C to  
+85°C  
EEPROM  
Array  
XDEC  
• Pb-Free and RoHS Compliant  
Page Latches  
Description:  
SDA  
SCL  
The Microchip Technology Inc. 24LC22A is a 256 x 8-  
bit dual-mode 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 imple-  
mented: Transmit-Only mode (1 Kbit) and Bidirectional  
mode (2 Kbit). 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 24LC22A is  
available in standard 8-pin PDIP and SOIC packages.  
YDEC  
VCLK  
Sense AMP  
R/W Control  
VCC  
VSS  
© 2007 Microchip Technology Inc.  
DS21683B-page 1  

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