Features: 26 reset threshold options: 2.5 V to 5 V in 100 mV increments 4 reset timeout options: 1 ms, 20 ms, 140 ms, and 1120 ms (min) 4 watchdog timeout options: 6.3 ms, 102 ms, 1600 ms, and 25.6s (typ) Manual reset input Reset output stages: Push-pull active-low Open-drain active-low Push-pull...
ADM6319: Features: 26 reset threshold options: 2.5 V to 5 V in 100 mV increments 4 reset timeout options: 1 ms, 20 ms, 140 ms, and 1120 ms (min) 4 watchdog timeout options: 6.3 ms, 102 ms, 1600 ms, and 25.6...
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Parameter | Rating |
VCC |
0.3 V to +6 V 0.3 V to +6 V 0.3 V to (VCC + 0.3 V) 20 mA 40°C to +85°C 65°C to +125°C 270°C/W 300°C 215°C 220°C |
The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ ADM6321/ADM6322 are supervisory circuits, which 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 micro-processor 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 parts feature different combinations of watchdog input, manual reset input, and output stage configuration, as shown in Table 1.
Each ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ ADM6321/ADM6322 part 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 (min) and four watchdog timeout options of 6.3 ms, 102 ms, 1600 ms, and 25.6s (typ).
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.