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CAT1162WI-25

更新时间： 2024-11-23 02:57:55
品牌 Logo 应用领域
CATALYST 光电二极管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 164K
描述
Supervisory Circuits with I2C Serial CMOS EEPROM, Precision Reset Controller and Watchdog Timer

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中文翻译

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CAT1162WI-25 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Transferred零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.11
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm信道数量：1
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.75 mm最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：MATTE TIN
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：40
宽度：3.9 mmBase Number Matches：1

CAT1162WI-25 数据手册

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CAT1161, CAT1162  
Supervisory Circuits with I2C Serial CMOS EEPROM,  
Precision Reset Controller and Watchdog Timer (16K)  
write protection, a system power supervisor with  
FEATURES  
brown out protection and a watchdog timer are  
integrated together in low power CMOS technology.  
Memory interface is via an I2C bus.  
„ Watchdog monitors SDA signal (CAT1161)  
„ 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 CAT1161 watchdog  
monitors the SDA line, making an additional PC board  
trace unnecessary. The lower cost CAT1162 does not  
have a watchdog timer.  
„ Low power CMOS technology  
„ 16-Byte page write buffer  
„ Built-in inadvertent write protection  
—
—
V
CC lock out  
Write protect pin, WP  
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 a debounced input for push-  
button manual reset capability.  
„ 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 CAT1161/2 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 CAT1161/2 is a complete memory and supervi-  
sory solution for microcontroller-based systems. A se-  
rial EEPROM memory (16K) with hardware memory  
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  
DC  
Do not Connect  
Active Low Reset I/O  
Write Protect  
DC  
1
2
3
4
8
7
6
5
VCC  
¯¯¯¯¯¯  
RESET  
¯¯¯¯¯¯  
RESET  
RESET  
SCL  
CAT1161  
CAT1162  
WP  
GND  
SDA  
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. 3002 Rev. F  
1234567...14

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