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CAT1163J-30 PDF预览

CAT1163J-30

更新时间: 2024-11-08 05:02:39
品牌 Logo 应用领域
CATALYST 光电二极管外围集成电路
页数 文件大小 规格书
12页 69K
描述
SPECIALTY MICROPROCESSOR CIRCUIT, PDSO8, SOIC-8

CAT1163J-30 数据手册

 浏览型号CAT1163J-30的Datasheet PDF文件第2页浏览型号CAT1163J-30的Datasheet PDF文件第3页浏览型号CAT1163J-30的Datasheet PDF文件第4页浏览型号CAT1163J-30的Datasheet PDF文件第5页浏览型号CAT1163J-30的Datasheet PDF文件第6页浏览型号CAT1163J-30的Datasheet PDF文件第7页 
CAT1163 (16K)  
Supervisory Circuit with I2C Serial CMOS EEPROM, Precision Reset Controller and Watchdog Timer  
FEATURES  
Active high or low reset  
— Precision power supply voltage monitor  
— 5V, 3.3V and 3V systems  
Watchdog timer input (WDI)  
400kHz I2C bus compatible  
2.7V to 6.0V operation  
— Five threshold voltage options  
1,000,000 Program/Erase cycles  
Manual reset  
Low power CMOS technology  
16-Byte page write buffer  
Built-in inadvertent write protection  
— VCC lock out  
100 Year data retention  
8-pin DIP or 8-pin SOIC  
Commercial and industrial temperature ranges  
— Write protect pin, WP  
DESCRIPTION  
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 debounced input for  
push-button manual reset capability.  
The CAT1163 is a complete memory and supervisory  
solution for microcontroller-based systems. A serial  
EEPROM memory (16K) with hardware memory write  
protection, a system power supervisor with brown out  
protectionandawatchdogtimerareintegratedtogether  
inlowpowerCMOStechnology. Memoryinterfaceisvia  
an I2C bus.  
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.  
The 1.6-second watchdog circuit returns a system to a  
known good state if a software or hardware glitch halts  
orhangsthesystem.TheCAT1163watchdogmonitors  
the WDI input pin.  
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  
Available packages include an 8-pin DIP and a surface  
mount, 8-pin SO package.  
BLOCK DIAGRAM  
PIN CONFIGURATION  
EXTERNAL LOAD  
SENSE AMPS  
SHIFT REGISTERS  
D
V
OUT  
WDI  
CC  
ACK  
RESET  
RESET  
V
CC  
CAT1163  
WORD ADDRESS  
BUFFERS  
COLUMN  
DECODERS  
GND  
SCL  
SDA  
WP  
GND  
START/STOP  
LOGIC  
SDA  
EEPROM  
XDEC  
Reset Threshold Voltage Options  
CONTROL  
LOGIC  
WP  
Part Dash Minimum Maximum  
Number Threshold Threshold  
DATA IN STORAGE  
-45  
-42  
-30  
-28  
-25  
4.50  
4.25  
3.00  
2.85  
2.55  
4.75  
4.50  
3.15  
3.00  
2.70  
HIGH VOLTAGE/  
TIMING CONTROL  
RESET Controller  
STATE COUNTERS  
SCL  
Precision  
SLAVE  
ADDRESS  
COMPARATORS  
WATCHDOG  
Vcc Monitor  
WDI RESET RESET  
© 2002 by Catalyst Semiconductor, Inc.  
Doc No. 3003, Rev. C  
Characteristics subject to change without notice  

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