The SGM856 is a high-precision voltage supervisor with ±1.2% accuracy over the operating temperature range. It only consumes 750nA (TYP) quiescent current and provides a timeout watchdog with fixed timeout period.
The SGM856 gives four available watchdog timeout period options, which are preset as a default value and can be configured by the users for setting different multiples of the default value by SET0. The watchdog function can be enabled or disabled by the WD_EN pin.
The output asserted times for nRESET are all preset. The SGM856xxD-x is a unique device that latches the output until an effective watchdog input is detected.
The SGM856 is available in a Green TDFN-1.5×1.5-6L package.
- Factory-Programmed Watchdog Timeout
- Factory-Programmed Options: 70ms, 1.12s, 4.48s, 17.92s
- Factory-Programmed Reset Delay with Scaling
- Factory-Programmed Options: 11.2ms, 44.8ms, 179.2ms, Latched (tD = 2.8ms)
- Supply Voltage Range: 1.6V to 6.5V
- Fixed Threshold Voltage: 2.3V, 3.0V, 4.6V
- ±1.2% (MAX) Voltage Threshold Accuracy
- Built-in Hysteresis: 2.1% (TYP)
- Ultra-Low Supply Current: 750nA (TYP)
- Active-Low Open-Drain Outputs
- Various Programmability Options:
- Watchdog Enable
- On-the-Fly Timer Extension: 1X to 64X
- Latched Output Option
- Available in a Green TDFN-1.5×1.5-6L Package
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Part Number | Status | Package | Pins | Pd-Free | RoHS | REACH | Green | MSL Rating | Operating Temperature Range | Material Content | Reliability Report | Unit Resale Price* (Volume Range: in USD) | Lead Time** (Volume Range: Days) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGM856AAB-2.3XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | -40℃ to +125℃ | View | View | ||||
SGM856AAB-3.0XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View | |||
SGM856AAB-4.6XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | -40℃ to +125℃ | View | View | ||||
SGM856AAD-2.3XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | -40℃ to +125℃ | View | View | ||||
SGM856AAD-3.0XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View | |||
SGM856AAD-4.6XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | -40℃ to +125℃ | View | View | ||||
SGM856BAB-2.3XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View | |||
SGM856BAB-3.0XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View | |||
SGM856BAB-4.6XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View | |||
SGM856BAD-2.3XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View | |||
SGM856BAD-3.0XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View | |||
SGM856BAD-4.6XTHR6G/TR | Active | TDFN-1.5×1.5-6L | 6 | YES | YES | YES | YES | MSL1 | -40℃ to +125℃ | View | View |
* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.
** The lead time provided is for reference purposes only and is subject to change based on different circumstances.
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