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参数资料
| 型号： | CAT1025WI-42-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISR CPU 2K EEPROM 8SOIC |
| 标准包装： | 3,000 |
| 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： | 4.25V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
CAT1024, CAT1025
PIN DESCRIPTION
ˉˉˉˉˉˉ
RESET/ RESET : RESET OUTPUTs
PIN FUNCTION
Pin
Function
Name
(RESET CAT1025 Only)
ˉˉˉˉˉˉ
ˉˉˉˉˉˉ
These are open drain pins and RESET can be used
as a manual reset trigger input. By forcing a reset
condition on the pin the device will initiate and
maintain a reset condition. The RESET pin must be
connected through a pull-down resistor, and the
RESET pin must be connected through a pull-up
resistor.
SDA: SERIAL DATA ADDRESS
The bidirectional serial data/address pin is used to
transfer all data into and out of the device. The SDA
pin is an open drain output and can be wire-ORed
with other open drain or open collector outputs.
NC
ˉˉˉˉˉˉ
RESET
V SS
SDA
SCL
RESET
MR
V CC
WP
ˉˉˉ
No Connect
Active Low Reset Input/Output
Ground
Serial Data/Address
Clock Input
Active High Reset Output
(CAT1025 only)
Power Supply
Write Protect (CAT1025 only)
Manual Reset Input
SCL: SERIAL CLOCK
Serial clock input.
OPERATING TEMPERATURE RANGE
MR
ˉˉˉ: MANUAL RESET INPUT
MR
MR
Manual Reset input is a debounced input that can be
connected to an external source for Manual Reset.
Pulling the MR input low will generate a Reset
condition. Reset outputs are active while ˉˉˉ input is
low and for the reset timeout period after ˉˉˉ returns
to high. The input has an internal pull up resistor.
WP (CAT1025 Only): WRITE PROTECT INPUT
When WP input is tied to V SS or left unconnected write
operations to the entire array are allowed. When tied
to V CC , the entire array is protected. This input has an
internal pull down resistor.
CAT10XX FAMILY OVERVIEW
Industrial
Extended
-40oC to 85oC
-40oC to 125oC
Manual
Watchdog
Write
Independent
RESET:
Device
Reset
Watchdog
Monitor
Protection
Auxiliary
Active High
EEPROM
CAT1021
CAT1022
CAT1023
Input Pin
Pin
SDA
SDA
WDI
Pin
Voltage Sense
and LOW
2k
2k
2k
CAT1024
CAT1025
CAT1026
2k
2k
2k
CAT1027
WDI
2k
For supervisory circuits with embedded 16k EEPROM, please refer to the CAT1161, CAT1162 and CAT1163
data sheets.
? 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
3
Doc. No. MD-3008 Rev. R
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| CAT1025WI-42-T3 | 功能描述:监控电路 CPU w/2K 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 |
| CAT1025WI45 | 功能描述:监控电路 CPU w/2K 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 |
| CAT1025WI-45-G | 功能描述:监控电路 CPU w/2K 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 |
| CAT1025WI-45-GT3 | 功能描述:监控电路 CPU w/2K 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 |
| CAT1025WI-45-T3 | 功能描述:监控电路 CPU w/2K 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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