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CAT1163LI-25-GT2

更新时间： 2024-11-09 04:35:43
品牌 Logo 应用领域
CATALYST 监控控制器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
14页 151K
描述
Supervisory Circuits with I2C Serial Serial CMOS EEPROM, Precision Reset Controller and Watchdog Timer

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CAT1163LI-25-GT2 数据手册

 浏览型号CAT1163LI-25-GT2的Datasheet PDF文件第2页浏览型号CAT1163LI-25-GT2的Datasheet PDF文件第3页浏览型号CAT1163LI-25-GT2的Datasheet PDF文件第4页浏览型号CAT1163LI-25-GT2的Datasheet PDF文件第5页浏览型号CAT1163LI-25-GT2的Datasheet PDF文件第6页浏览型号CAT1163LI-25-GT2的Datasheet PDF文件第7页 
CAT1163  
Supervisory Circuits with I2C Serial Serial CMOS EEPROM,  
Precision Reset Controller and Watchdog Timer (16K)  
EEPROM memory (16K) with hardware memory write  
FEATURES  
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 I2C bus.  
„ Watchdog timer input (WDI)  
„ 400kHz I2C bus compatible  
„ 2.7V to 6.0V operation  
The 1.6-second watchdog circuit returns a system to a  
known good state if a software or hardware glitch  
halts or “hangs” the system. The CAT1163 watchdog  
monitors the WDI input pin.  
„ Low power CMOS technology  
„ 16-Byte page write buffer  
„ Built-in inadvertent write protection  
—
—
V
CC lock out  
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 5V, 3.3V and 3V 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 200ms 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 debounced input for push-  
button manual reset capability.  
Write protect pin, WP  
„ Active high or low reset  
—
—
—
Precision power supply voltage monitor  
5V, 3.3V and 3V systems  
Five threshold voltage options  
„ 1,000,000 Program/Erase cycles  
„ Manual reset  
„ 100 Year data retention  
„ 8-pin DIP or 8-pin SOIC  
„ Commercial and industrial temperature ranges  
The CAT1163 memory features a 16-byte page. In  
addition, hardware data protection is provided by a  
write protect pin WP and by a VCC sense circuit that  
prevents writes to memory whenever VCC falls below  
the reset threshold or until VCC reaches the reset  
threshold during power up.  
For Ordering Information details, see page 13.  
DESCRIPTION  
The CAT1163 is a complete memory and supervisory  
solution for microcontroller-based systems. A serial  
Available packages include an 8-pin DIP and a  
surface mount, 8-pin SO package.  
PIN CONFIGURATION  
PIN FUNCTIONS  
PDIP 8 Lead  
SOIC 8 Lead  
Pin Name Function  
WDI  
Warchdog Timer Input  
Active Low Reset I/O  
Write Protect  
WDI  
1
2
3
4
8
7
6
5
VCC  
¯¯¯¯¯¯  
RESET  
¯¯¯¯¯¯  
RESET  
RESET  
SCL  
WP  
GND  
SDA  
CAT1163  
WP  
Ground  
GND  
SDA  
Serial Data/Address  
Clock Input  
SCL  
RESET  
VCC  
Active High Reset I/O  
Power Supply  
© 2007 Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
1
Doc. No. 3003 Rev. E  
1234567...14

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