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| 型号： | TCM811TERCTR |
| 厂商： | Microchip Technology |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC RESET MONITOR 3.08V SOT143-4 |
| 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： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 3.08V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-253-4，TO-253AA |
| 供应商设备封装： | SOT-143 |
| 包装： | 带卷 (TR) |
TCM811/TCM812
3.0
PIN DESCRIPTIONS
TABLE 3-1:
PIN FUNCTION TABLE
Pin No.
1
2
2
3
4
Symbol
GND
RESET
(TCM811)
RESET
(TCM812)
MR
V DD
Description
Ground
RESET push-pull output remains low while V DD is below the reset voltage
threshold, and for at least 140 ms (min.) after V DD rises above reset threshold
Reset push-pull output remains high while V DD is below the reset voltage threshold,
and for at least 140 ms (min.) after V DD rises above reset threshold
Manual Reset input generates a Reset when MR is below V IL
Supply voltage
3.1
Ground Terminal (GND)
3.4
Manual Reset (MR)
GND provides the negative reference for the analog
input voltage. Typically, the circuit ground is used.
3.2 Reset Output (RESET) (TCM811)
RESET output remains low while V DD is below the
Reset voltage threshold (V TRIP ). Once the device
voltage (V DD ) returns to a high level (V TRIP + V HYS ), the
device will remain in Reset for the Reset delay timer
(T RST ). After that time expires, the RESET pin will be
driven to the high state.
3.3 Reset Output (RESET) (TCM812)
RESET output remains high while V DD is below the
Reset voltage threshold (V TRIP ). Once the device
voltage (V DD ) returns to a high level (V TRIP + V HYS ), the
device will remain in Reset for the Reset delay timer
(T RST ). After that time expires, the RESET pin will be
driven to the low state.
DS21615C-page 6
The Manual Reset (MR) input pin allows a push button
switch to easily be connected to the system. When the
push button is depressed, it forces a system Reset.
This pin has circuitry that filters noise that may be
present on the MR signal.
The MR pin is active-low and has an internal pull-up
resistor.
3.5 Supply Voltage (V DD )
V DD can be used for power supply monitoring or a
voltage level that requires monitoring.
? 2007 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TCM811TERCTR | 制造商:Microchip Technology Inc 功能描述:RESET MONITOR 3.08V SOT-143-4 811 |
| TCM812 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-Pin Microcontroller Reset Monitors |
| TCM812AFVRCTR | 制造商:Microchip Technology Inc 功能描述: |
| TCM812AMVRCTR | 制造商:Microchip Technology Inc 功能描述: |
| TCM812ASVRCTR | 制造商:Microchip Technology Inc 功能描述: |
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