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| 型号： | MAX706SCSA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/15页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISORY CIRCUIT 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 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： | 2.93V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
+3V Voltage Monitoring, Low-Cost μP
Supervisory Circuits
Pin Description
MAX706P
MAX706AP
MAX706R/S/T,
MAX706AR/AS/AT
MAX708R/S/T
NAME
FUNCTION
SO/DIP
μMAX
SO/DIP
μMAX
SO/DIP μMAX
Active-Low, Manual-Reset Input. Pull MR below 0.6V to trigger a
1
3
1
3
1
3
MR
reset pulse. MR is TTL/CMOS compatible when V CC = 5V and can
be shorted to GND with a switch. MR is internally connected to a
70μA source current. Connect to V CC or leave unconnected.
2
3
4
5
2
3
4
5
2
3
4
5
V CC
GND
Supply Voltage Input
Ground
Adjustable Power-Fail Comparator Input. Connect PFI to a
4
6
4
6
4
6
PFI
resistive divider to set the desired PFI threshold. When PFI is
less than 1.25V, PFO goes low and sinks current; otherwise,
PFO remains high. Connect PFI to GND if not used.
Active-Low, Power-Fail Comparator Output. PFO asserts when
5
7
5
7
5
7
PFO
PFI is below the internal 1.25V threshold. PFO deasserts when
PFI is above the internal 1.25V threshold. Leave PFO
unconnected if not used.
Watchdog Input. A falling or rising transition must occur at
WDI within 1.6s to prevent WDO from asserting (see Figure 4).
The internal watchdog timer is reset to zero when reset is
asserted or when transition occurs at WDI. The watchdog
6
8
6
8
—
—
WDI
function for the MAX706P/R/S/T can not be disabled. The
watchdog timer for the MAX706AP/AR/AS/AT disables when
WDI input is left open or connected to a tri-state output in its
high-impedance state with a leakage current of less than
600nA.
Active-High Reset Output. RESET remains high when V CC is
7
1
—
—
8
2
RESET below the reset threshold or MR is held low. It remains low for
200ms after the reset conditions end (Figure 3).
Active-Low Watchdog Output. WDO goes low when a
transition does not occur at WDI within 1.6s and remains low
until a transition occurs at WDI (indicating the watchdog
8
2
8
2
—
—
WDO
interrupt has been serviced). WDO also goes low when V CC
falls below the reset threshold; however, unlike the reset
output signal, WDO goes high as soon as V CC rises above
the reset threshold.
Active-Low Reset Output. RESET remains low when V CC is
—
—
7
1
7
1
RESET below the reset threshold or MR is held low. It remains low for
200ms after the reset conditions end (Figure 3).
—
—
—
—
6
8
N.C.
No Connection. Not internally connected.
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX706SCSA+ | 功能描述:监控电路 Single uPower 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 |
| MAX706SCSA+T | 功能描述:监控电路 Single uPower 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 |
| MAX706SCSA-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 |
| MAX706SCUA | 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 |
| MAX706SCUA+ | 功能描述:监控电路 Single uPower 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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