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24LCS52T/STA21 PDF预览

24LCS52T/STA21

更新时间: 2024-11-26 10:58:35
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
13页 202K
描述
256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, TSSOP-8

24LCS52T/STA21 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:TSSOP-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.26
其他特性:1000K ERASE/WRITE CYCLES; HARDWARE WRITE PROTECT; DATA RETENTION > 200 YEARS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:70 °C最低工作温度:
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
串行总线类型:I2C最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.2 V标称供电电压 (Vsup):2.5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子位置:DUAL
处于峰值回流温度下的最长时间:40最长写入周期时间 (tWC):10 ms
写保护:HARDWAREBase Number Matches:1

24LCS52T/STA21 数据手册

 浏览型号24LCS52T/STA21的Datasheet PDF文件第2页浏览型号24LCS52T/STA21的Datasheet PDF文件第3页浏览型号24LCS52T/STA21的Datasheet PDF文件第4页浏览型号24LCS52T/STA21的Datasheet PDF文件第5页浏览型号24LCS52T/STA21的Datasheet PDF文件第6页浏览型号24LCS52T/STA21的Datasheet PDF文件第7页 
24LCS52  
2K 2.2V I2CSerial EEPROM with Software Write Protect  
FEATURES  
PACKAGE TYPES  
PDIP/SOIC  
• Single supply with operation down to 2.2V  
• Low power CMOS technology  
- 1 mA active current typical  
A0  
1
8
Vcc  
- 10 µA standby current typical at 5.5V  
- 5 µA standby current typical at 3.0V  
• Organized as a single block of 256 bytes (256 x 8)  
• Software write protection for lower 128 bytes  
• Hardware write protection for entire array  
• 2-wire serial interface bus, I2C™ compatible  
• 100kHz (2.2V) and 400kHz (5V) compatibility  
• Self-timed write cycle (including auto-erase)  
• Page-write buffer for up to 16 bytes  
• 3.5 ms typical write cycle time for page-write  
• 1,000,000 erase/write cycles guaranteed  
• ESD protection >4,000V  
A1  
A2  
2
3
7
6
WP  
SCL  
Vss  
4
5
SDA  
TSSOP  
• Data retention > 200 years  
• 8-pin DIP, SOIC or TSSOP packages  
• Available for extended temperature ranges  
1
2
3
4
8
7
6
5
Vcc  
WP  
SCL  
SDA  
A0  
A1  
A2  
- Commercial (C):  
- Industrial (I):  
0°C to +70°C  
-40°C to +85°C  
Vss  
DESCRIPTION  
The Microchip Technology Inc. 24LCS52 is a 2K bit  
Electrically Erasable PROM capable of operation  
across a broad voltage range (2.2V to 5.5V). This  
device has a software write protect feature for the lower  
half of the array, as well as an external pin that can be  
used to write protect the entire array. The software write  
protect feature is enabled by sending the device a spe-  
cial command, and once this feature has been enabled,  
it cannot be reversed. In addition to the software pro-  
tect feature, there is a WP pin that can be used to write  
protect the entire array, regardless of whether the soft-  
ware write protect register has been written or not. This  
allows the system designer to protect none, half or all  
of the array, depending on the application. The device  
is organized as a single block of 256 x 8-bit memory  
with a 2-wire serial interface. Low voltage design per-  
mits operation down to 2.2 volts with typical standby  
and active currents of only 5 µA and 1 mA respectively.  
The device has a page-write capability for up to 16  
bytes of data. The device is available in the standard 8-  
pin DIP, 8-pin SOIC and TSSOP packages.  
BLOCK DIAGRAM  
WP  
A0 A1 A2  
HV Generator  
Software write  
protected area  
(00h-7Fh)  
I/O  
Control  
Logic  
Memory  
Control  
Logic  
XDEC  
Standard  
Array  
SDA  
SCL  
Vcc  
Vss  
Write Protect  
Circuitry  
YDEC  
SENSE AMP  
R/W CONTROL  
I2C is a trademark of Philips Corporation.  
1999 Microchip Technology Inc.  
DS21166E-page 1  

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