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CAT1161WI-30-G PDF预览

CAT1161WI-30-G

更新时间: 2024-11-26 12:36:23
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页数 文件大小 规格书
13页 163K
描述
Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller

CAT1161WI-30-G 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete包装说明:,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:5.61
Base Number Matches:1

CAT1161WI-30-G 数据手册

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CAT1161, CAT1162  
Supervisory Circuits with  
I2C Serial CMOS EEPROM,  
Precision Reset Controller  
and Watchdog Timer (16K)  
http://onsemi.com  
Description  
The CAT1161/2 is a complete memory and supervisory solution for  
microcontrollerbased systems. A serial EEPROM memory (16K)  
with hardware memory write protection, a system power supervisor  
with brown out protection and a watchdog timer are integrated  
together in low power CMOS technology. Memory interface is via an  
PDIP8  
CASE 646AA  
SOIC8  
CASE 751BD  
2
I C bus.  
The 1.6second watchdog circuit returns a system to a known good  
state if a software or hardware glitch halts or “hangs” the system. The  
CAT1161 watchdog monitors the SDA line, making an additional PC  
board trace unnecessary. The lower cost CAT1162 does not have a  
watchdog timer.  
The power supply monitor and reset circuit protects memory and  
system controllers during power up/down and against brownout  
conditions. Five reset threshold voltages support 5 V, 3.3 V and 3 V  
systems. If power supply voltages are out of tolerance reset signals  
become active, preventing the system microcontroller, ASIC or  
peripherals from operating. Reset signals become inactive typically  
200 ms after the supply voltage exceeds the reset threshold level. With  
both active high and low reset signals, interface to microcontrollers  
and other ICs is simple. In addition, a reset pin can be used as a  
debounced input for pushbutton manual reset capability.  
PIN CONFIGURATION  
DC  
1
8
V
CC  
RESET  
2
7
RESET  
CAT1161  
CAT1162  
3
4
6
5
WP  
SCL  
SDA  
GND  
PIN FUNCTIONS  
Pin Name  
Function  
DC  
RESET  
WP  
Do Not Connect  
Active Low Reset I/O  
Write Protect  
The CAT1161/2 memory features a 16byte page. In addition,  
hardware data protection is provided by a write protect pin WP and by  
GND  
SDA  
Ground  
a V sense circuit that prevents writes to memory whenever V falls  
CC  
CC  
Serial Data/Address  
Clock Input  
below the reset threshold or until V reaches the reset threshold  
CC  
SCL  
during power up.  
Available packages include an 8pin DIP and a surface mount,  
8pin SO package.  
RESET  
Active High Reset I/O  
Power Supply  
V
CC  
Features  
Watchdog Monitors SDA Signal (CAT1161)  
ORDERING INFORMATION  
2
400 kHz I C Bus Compatible  
For Ordering Information details, see page 11.  
2.7 V to 6 V Operation  
Low Power CMOS Technology  
16Byte Page Write Buffer  
1,000,000 Program/Erase Cycles  
Builtin Inadvertent Write Protection  
Manual Reset  
V Lock Out  
CC  
Write Protection Pin, WP  
100 Year Data Retention  
Active High or Low Reset  
8Pin DIP or 8Pin SOIC  
Precision Power Supply Voltage Monitor  
5 V, 3.3 V and 3 V Systems  
Commercial and Industrial Temperature Ranges  
These Devices are PbFree, Halogen Free/BFR Free  
Five Threshold Voltage Options  
and are RoHS Compliant  
© Semiconductor Components Industries, LLC, 2012  
1
Publication Order Number:  
July, 2012 Rev. 12  
CAT1161/D  

CAT1161WI-30-G 替代型号

型号 品牌 替代类型 描述 数据表
CAT1161WI-28-GT3 ONSEMI

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Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller and Watchdog
CAT1161WI-30-GT3 ONSEMI

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CAT1161WI-42-GT3 ONSEMI

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Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller and Watchdog

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