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| 型号： | MAX6865UK25D3S+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/17页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISOR SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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 150 ms |
| 电压 - 阀值： | 2.5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
Nanopower μP Supervisory Circuits with
Manual Reset and Watchdog Timer
MAX6867/MAX6868/MAX6869 Pin Description
PIN
MAX6867/
MAX6869
MAX6868
NAME
FUNCTION
Watchdog Input. If WDI remains high or low for longer than the watchdog timeout
1
1
WDI
period, the internal watchdog timer expires, and a reset is triggered for the reset
timeout period. The internal watchdog timer clears whenever reset is asserted,
the manual reset is asserted, or WDI sees a rising or falling edge.
2
2
GND
Ground
Active-Low Manual Reset Input. Drive MR low to initiate a reset. The reset output
3
3
MR
remains asserted while MR is held low and for the reset timeout period after MR
transitions high. Leave MR unconnected or connect to V CC if unused. MR is
internally pulled up to V CC through 10k ? .
Active-Low Open-Drain or Push-Pull Reset Output. RESET transitions from high to
low when V CC drops below the selected reset threshold, MR is pulled low, or the
4
—
RESET
watchdog timer expires. RESET remains low for the reset timeout period after
V CC exceeds the device reset threshold, MR deasserts, or after the watchdog
timer expires. Push-pull RESET outputs are referenced to V CC . Open-drain
RESET outputs require an external pullup resistor.
5
5
V CC
Supply Voltage. Input for V CC reset monitor. For noisy systems, bypass V CC with
a 0.1μF capacitor to GND.
Active-High Push-Pull Reset Output. RESET transitions from low to high when
V CC drops below the selected reset threshold, MR is pulled low, or the watchdog
—
4
RESET
timer expires. RESET remains high for the reset timeout period after V CC
exceeds the device reset threshold, MR deasserts, or after the watchdog timer
expires. RESET is referenced to V CC .
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6865UK25D4L+T | 功能描述:监控电路 Single nPower Supervisor 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 |
| MAX6865UK25D4L-T | 功能描述:监控电路 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 |
| MAX6865UK25D4S+T | 功能描述:监控电路 Single nPower Supervisor 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 |
| MAX6865UK25D4S-T | 功能描述:监控电路 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 |
| MAX6865UK25D5L+T | 功能描述:监控电路 Single nPower Supervisor 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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