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85C72I/J PDF预览

85C72I/J

更新时间: 2024-02-14 18:20:47
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
8页 107K
描述
128 X 8 I2C/2-WIRE SERIAL EEPROM, CDIP8, 0.300 INCH, CERDIP-8

85C72I/J 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:0.207 INCH, PLASTIC, SOIC-8针数:8
Reach Compliance Code:unknown风险等级:5.87
其他特性:100K ERASE/WRITE CYCLES MIN; DATA RETENTION > 40 YEARS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 Cycles
I2C控制字节:1010DDDRJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:5.28 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输出特性:OPEN-DRAIN
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.3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):NOT SPECIFIED电源:5 V
认证状态:Not Qualified座面最大高度:2.03 mm
串行总线类型:I2C最大待机电流:0.0001 A
子类别:EEPROMs最大压摆率:0.00425 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)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:NOT SPECIFIED宽度:5.207 mm
最长写入周期时间 (tWC):1 msBase Number Matches:1

85C72I/J 数据手册

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85C72/82/92  
1K/2K/4K 5.0V CMOS Serial EEPROM  
FEATURES  
PACKAGE TYPE  
• Low power CMOS technology  
DIP  
2
• Two wire serial interface bus, I C compatible  
• 5 volt only operation  
A0  
A1  
A2  
VSS  
1
2
3
4
8
7
6
5
VCC  
NC  
85C72  
85C82  
85C92  
• Self-timed write cycle (including auto-erase)  
• Page-write buffer  
SCL  
SDA  
• 1ms write cycle time for single byte  
• 1,000,000 ERASE/WRITE cycles guaranteed  
• Data retention >200 years  
• 8-pin DIP or SOIC package  
8-lead  
SOIC  
• Available for extended temperature ranges:  
- Commercial: 0˚C to +70˚C  
1
2
3
4
8
VCC  
A0  
85C72  
85C82  
85C92  
- Industrial: -40˚C to +85˚C  
7
6
5
NC  
A1  
- Automotive: -40˚C to +125˚C  
SCL  
SDA  
A2  
85C72  
128 x 8  
2 Bytes  
85C82  
256 x 8 2 x 256 x 8  
2 Bytes 8 Bytes  
85C92  
VSS  
Organization  
14-lead  
SOIC  
Page Write  
Buffer  
14  
13  
1
2
3
4
5
6
7
NC  
NC  
A0  
VCC  
NC  
NC  
12  
11  
DESCRIPTION  
A1  
85C92  
NC  
The Microchip Technology Inc. 85C72/82/92 is a 1K/  
2K/4K bit Electrically Erasable PROM. The device is  
organized as shown with a two wire serial interface.  
Advanced CMOS technology allows a significant  
reduction in power over NMOS serial devices. The  
85C72/82/92 also has a page-write capability for up to  
8 bytes of data (see chart). Up to eight 85C72/82/92s  
may be connected to the two wire bus. The 85C72/82/  
92 is available in standard 8-pin DIP and surface mount  
SOIC packages.  
10  
9
SCL  
SDA  
NC  
A2  
VSS  
NC  
8
BLOCK DIAGRAM  
DATA  
VCC  
VPP  
R/W AMP  
BUFFER  
VSS  
(FIF0)  
DATA REG.  
A P  
D O  
D I  
MEMORY  
ARRAY  
SDA  
R N  
E T  
S E  
S R  
SLAVE ADR.  
A0 to  
A7  
CONTROL  
LOGIC  
INCREMENT  
SCL  
A0A1 A2  
I2C is a trademark of Philips Corporation  
1995 Microchip Technology Inc.  
DS11182C-page 1  

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