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看门狗和5引脚SOT-23手动复位监控电路的ADM6316-22数据表
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The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ ADM6321/ADM6322 are supervisory circuits that monitor power supply voltage levels and code execution integrity in microprocessor-based systems. As well as providing power-on reset signals， an on-chip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period. A reset signal can also be asserted by an external push button through a manual reset input. The seven devices feature different combinations of watchdog input， manual reset input， and output stage configuration， as shown in Table 1.
Each device is available in a choice of 26 reset threshold options ranging from 2.5 V to 5 V in 100 mV increments. There are also four reset timeout options of 1 ms， 20 ms， 140 ms， and 1120 ms （minimum） and four watchdog timeout options of 6.3 ms， 102 ms， 1600 ms， and 25.6 sec （typical）。 The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ ADM6321/ADM6322 are available in 5-lead SOT-23 packages and typically consume only 3 μA， making them suitable for use in low power portable applications.
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