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参数资料
| 型号： | CAT1162LI-30-G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVSR CPU 16K EEPROM 8PDIP |
| 标准包装： | 50 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 130 ms |
| 电压 - 阀值： | 3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
CAT1161, CAT1162
Supervisory Circuits with
I 2 C Serial CMOS EEPROM,
Precision Reset Controller
and Watchdog Timer (16K)
6
3
WP
SCL
Description
The CAT1161/2 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 protection and a watchdog timer are integrated
together in low power CMOS technology. Memory interface is via an
I 2 C bus.
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.
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.
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 V CC sense circuit that prevents writes to memory whenever V CC falls
below the reset threshold or until V CC reaches the reset threshold
during power up.
Available packages include an 8 ? pin DIP and a surface mount,
8 ? pin SO package.
http://onsemi.com
PDIP ? 8 SOIC ? 8
CASE 646AA CASE 751BD
PIN CONFIGURATION
DC 1 8 V CC
RESET 2 CAT1161 7 RESET
CAT1162
GND 4 5 SDA
PIN FUNCTIONS
Pin Name Function
DC Do Not Connect
RESET Active Low Reset I/O
WP Write Protect
GND Ground
SDA Serial Data/Address
SCL Clock Input
RESET Active High Reset I/O
V CC Power Supply
Features
? Watchdog Monitors SDA Signal (CAT1161)
? 400 kHz I 2 C Bus Compatible
? 2.7 V to 6 V Operation
? Low Power CMOS Technology
? 16 ? Byte Page Write Buffer
? Built ? in Inadvertent Write Protection
? V CC Lock Out
? Write Protection Pin, WP
? Active High or Low Reset
? Precision Power Supply Voltage Monitor
? 5 V, 3.3 V and 3 V Systems
? Five Threshold Voltage Options
? Semiconductor Components Industries, LLC, 2012
July, 2012 ? Rev. 12
1
?
?
?
?
?
?
ORDERING INFORMATION
For Ordering Information details, see page 11.
1,000,000 Program/Erase Cycles
Manual Reset
100 Year Data Retention
8 ? Pin DIP or 8 ? Pin SOIC
Commercial and Industrial Temperature Ranges
These Devices are Pb ? Free, Halogen Free/BFR Free
and are RoHS Compliant
Publication Order Number:
CAT1161/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT1162LI42 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 16K EEPROM - Rail/Tube |
| CAT1162LI-42 | 功能描述:监控电路 16K I2C Mem w/Reset RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| CAT1162LI-42-G | 功能描述:监控电路 CPU w/16K RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| CAT1162LI45 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 16K EEPROM - Rail/Tube |
| CAT1162LI-45 | 功能描述:监控电路 16K I2C Mem w/Reset RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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