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 ...
ADM6317: 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...
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Parameter | Ratin |
VCC RESET (ADM6320, ADM6321, ADM6 Output Current (RESET, RESET) Operating Temperature Range Storage Temperature Range JA Thermal Impedance, SOT-23 Lead Temperature Soldering (10 sec) Vapour Phase (60 sec) Infrared (15 sec) |
0.3 V to +6 V 0.3 V to +6 V 20 mA 40°C to +85°C 65°C to +125° 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 inmicro processor-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 means of 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 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.