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| 型号： | MAX819MCSA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 5V 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.4V |
| 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： | 带卷 (TR) |
+5V Microprocessor Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +4.75V to +5.5V for MAX81_L, V CC = +4.5V to +5.5V for MAX81_M, V BATT = 2.8V, T A = T MIN to T MAX , unless otherwise
noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CHIP-ENABLE GATING (MAX81 8 only)
CE IN Leakage Current
CE IN to CE OUT Resistance
(Note 6)
Disable mode
Enable mode
±0.005
40
±1
150
μA
?
CE OUT Short-Circuit Current
(Reset Active)
CE IN to CE OUT Propagation
Delay (Note 7)
CE OUT Output
V OH
Disable mode, CE OUT = 0V
50 ? source impedance driver, C LOAD = 50pF
I OUT = -100μA, V CC = 0V
I OUT = -1μA, V CC = 0V, V BATT = 2.8V
0.1
V CC - 1V
2.7
0.75
3
2.0
8
mA
ns
V
CE OUT Input Threshold
RESET to CE OUT Delay
V IH
V IL
V CC = 5V
Power-down
3.5
15
0.8
V
μs
Note 2:
Note 3:
Note 4:
Note 5:
Either V CC or V BATT can go to 0V if the other is greater than 2.0V.
“-” = battery-charging current, “+” = battery-discharging current.
WDI is internally serviced within the watchdog timeout period if WDI is left unconnected.
WDI input is designed to be driven by a three-stated output device. To float WDI, the “high-impedance mode” of the output
device must have a maximum leakage current of 10μA and a maximum output capacitance of 200pF. The output device
must also be able to source and sink at least 200μA when active.
Note 6: The chip-enable resistance is tested with V CC = +4.75V for the MAX818L and V CC = +4.5V for the MAX818M.
V C E IN = V C E OUT = V CC /2.
Note 7: The chip-enable propagation delay is measured from the 50% point at CE IN to the 50% point at CE OUT.
4
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相关代理商/技术参数 |
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|---|---|
| MAX819MCUA | 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 |
| MAX819MCUA+ | 功能描述:监控电路 5V MPU 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 |
| MAX819MCUA+T | 功能描述:监控电路 5V MPU 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 |
| MAX819MCUA-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 |
| MAX819MEPA | 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 |
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