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| 型号： | TC1232EOE |
| 厂商： | Microchip Technology |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC MPU MONITOR 4.5V 16-SOIC |
| 标准包装： | 47 |
| 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： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
TC1232
4.0
4.1
OPERATIONAL DESCRIPTION
Power Monitor
V CC = 5V
+4.5V (5% Trip Point)
The TC1232 provides the function of warning the
processor of a power failure. When V CC is detected as
being below the voltage levels defined by the TOL pin,
the TC1232’s comparator outputs the RST and RST
signals to a logic level that warns the system of an out-
of-tolerance power supply. The RST and RST signals
+4.25V (10% Trip Point)
switch at a threshold value of 4.5V if TOL is tied to V CC ,
and at a value of 4.75 volts if TOL is grounded. The
RST and RST signals are held active for a minimum of
250 ms to ensure that the power supply voltage has
been stabilized.
RST
RST
V OH
V OL
t RPD
point is detected to the reset output pin going active.
V CC SLEW RATE = 1.66 mV/μs (0.5V/300 μs)
FIGURE 4-3: V CC Detect Reset Output
Delay (Power-Down).
point is exited to the reset output pin going inactive.
4.6V (5% Trip Point)
V CC
+4.75V
t F
V CC
4.5V(10% Trip Point)
+4.25V
t RPU
RST
V OH
FIGURE 4-1:
Power-Down Slew Rate.
t R
RST
FIGURE 4-4:
Delay (Power-Up).
V OL
V CC Detect Reset Output
+4.75V
+4.25V
V CC
FIGURE 4-2:
Power-up Slew Rate.
? 2005 Microchip Technology Inc.
Preliminary
DS21370C-page 7
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| TC1232EOE713 | 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 |
| TC1232EPA | 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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