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| 型号： | MAX6304ESA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC CIRCUIT SUPERVISORY LP 8-SOIC |
| 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： | 高有效 |
| 复位超时： | 最小为 2.8 ms |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°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 |
+5V, Low-Power μP Supervisory Circuits
with Adjustable Reset/Watchdog
V CC
WDI
0V
V CC
RESET
0V
NORMAL MODE (WDS = GND)
Figure 2a. Watchdog Timing Diagram, WDS = GND
V CC
WDI
t WD
t WD x 500
t RP
t RP
0V
V CC
RESET
0V
EXTENDED MODE (WDS = V CC )
Figure 2b. Watchdog Timing Diagram, WDS = V CC
watchdog counter. When WDI is left unconnected, the
watchdog timer is cleared by this internal driver just
before the timeout period is reached (the internal driver
pulls WDI high at about 94% of t WD ). When WDI is
V CC
MAX6302
three-stated, the maximum allowable leakage current of
the device driving WDI is 10μA.
In normal mode (WDS = GND), the watchdog timer
cannot be disabled by three-stating WDI. WDI is a
high-impedance input in this mode. Do not leave WDI
unconnected in normal mode.
GND
MAX6301
SRT
MAX6303
SWT MAX6304
V CC
0.1 μ F
Applications Information
Selecting the Reset and Watchdog
Timeout Capacitor
The reset timeout period is adjustable to accommodate
a variety of μP applications. Adjust the reset timeout
period (t RP ) by connecting a specific value capacitor
(C SRT ) between SRT and ground (Figure 3). Calculate
the reset timeout capacitor as follows:
C SRT
C SRT = t RP
2.67
C SRT in pF
t RP in μ s
C SWT
C SWT = t WD
2.67
C SWT in pF
t WD in μ s
C SRT = t RP /2.67
Figure 3. Calculating the Reset (C SRT ) and Watchdog (C SWT )
Timeout Capacitor Values
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6304ESA+ | 功能描述:监控电路 5V 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 |
| MAX6304ESA+T | 功能描述:监控电路 5V 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 |
| MAX6304ESA-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 |
| MAX6305 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:5-Pin, Multiple-Input, Programmable Reset ICs |
| MAX6305_08 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:5-Pin, Multiple-Input, Programmable Reset ICs |
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