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| 型号： | TC1271ASVRCTR |
| 厂商： | Microchip Technology |
| 文件页数： | 25/48页 |
| 文件大小： | 0K |
| 描述： | IC RESET MONITOR 2.93V 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： | 高有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.93V |
| 工作温度： | -40°C ~ 125°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) |
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TC1270A/70AN/71A
5.0
APPLICATION INFORMATION
5.3
Using in PIC ? Microcontroller,
This section presents application-related information
that may be useful for your particular design require-
ICSP? Applications
ments.
5.1
Supply Monitor Noise Sensitivity
Note:
This operation can only be done u sing the
device that has an Open-Drain RST pin
(TC1270AN).
The TC127XA devices are optimized for fast responses
to negative-going changes in V DD . A system with an
inordinate amount of electrical noise on V DD (such as a
system using relays) may require a 0.01 μF or 0.1 μF
bypass capacitor to reduce detection sensitivity. This
capacitor should be installed as close to the TC127XA
as possible to keep the capacitor lead length short.
the TC1270AN for voltage supervisory function when
the PIC microcontroller will be programmed via the
In-Circuit Serial Programming? (ICSP?) feature.
Additional information is available in the Microchip
Technical Brief TB087, “Using Voltage Supervisors with
PICmicro ? Microcontroller Systems which Implement
In-Circuit Serial Programming?” (DS91087).
Note:
It is recommended that the current into the
V DD
TC127XA
0.1 μF
RST pin is current that is limited by a 1 k ?
resistor.
MR
RST
RST
V DD /V PP
V SS
V DD
0.1 μF
R PU
V DD
PIC ?
TC1270AN
Microcontroller
FIGURE 5-1: Typical Application Circuit
with Bypass Capacitor.
5.2 Conventional Voltage Monitoring
RST
V SS
1 k ?
MCLR
Reset input)
(Active-Low)
V SS
conventional voltage monitoring applications.
FIGURE 5-4:
Typical Application Circuit
+
V DD
for PIC Microcontroller with the ICSP Feature.
–
TC127XA
RST
BATLOW
V SS
FIGURE 5-2:
Battery Voltage Monitor.
V DD
+
Pwr
Sply
TC127XA
RST
Power Good
–
V SS
FIGURE 5-3:
Power Good Monitor.
? 2007-2011 Microchip Technology Inc.
DS22035D-page 25
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1271ATBVCTTR | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input |
| TC1271ATBVRCTR | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input |
| TC1271ATCVCTTR | 功能描述:监控电路 Vltg Detector 3.08V Reset Threshold 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 |
| TC1271ATCVRCTR | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input |
| TC1271ATVCTTR | 功能描述:监控电路 5Pin uP Reset Mon 4.63V Reset Thresh 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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