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| 型号： | TC1232CPA |
| 厂商： | Microchip Technology |
| 文件页数： | 8/20页 |
| 文件大小： | 0K |
| 描述： | IC MPU MONITOR 4.5V 8-DIP |
| 标准包装： | 60 |
| 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 250 ms |
| 电压 - 阀值： | 4.37V，4.62V |
| 工作温度： | 0°C ~ 70°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 |
| 产品目录页面： | 662 (CN2011-ZH PDF) |
| 其它名称： | 158-1042 158-1042-ND |
TC1232
4.2
Push Button Reset Input
The debounced manual reset input (PB RST) manually
forces the reset outputs into their active states.
+5V
TC1232 with a push button switch.
V CC
TD
Once PB RST has been low for a time t PBD (the push-
button delay time), the reset outputs go active. The
PB RST
ST
I/O
reset outputs remain in their active states for a
minimum of 250 ms after PB RST rises above V IH .
switch input and the reset pins output.
A mechanical push button or active logic signal can
drive the PB RST input. The debounced input ignores
input pulses less than 1 ms and recognizes pulses of
20 ms or greater. No external pull-up resistor is
required because the PB RST input has an internal
TC1232
RST
GND TOL
Microprocessor
Reset
pull-up to V CC of approximately 100 μA.
FIGURE 4-5:
Push Button Reset and
Watchdog Timer.
t PB
PB RST
t PBD
V IH
V IL
t RST
RST
RST
The debounced PB RST input ignores input pulses less
than 1 ms and is designed to recognize pulses of
20 ms or greater.
FIGURE 4-6:
PB RST Input.
Push Button Reset –
DS21370C-page 8
Preliminary
? 2005 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1232CPA | 制造商:Microchip Technology Inc 功能描述:MICROPROCESSOR MONITOR 1232 DIP8 |
| TC1232EOA | 功能描述:监控电路 Microprocessor Montr 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 |
| TC1232EOA | 制造商:Microchip Technology Inc 功能描述:MICROPROCESSOR MONITOR SMD 1232 |
| TC1232EOA713 | 功能描述:监控电路 Microprocessor Montr 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 |
| TC1232EOE | 功能描述:监控电路 Microprocessor Montr 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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