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| Part Number | DS1231S-20+ | DS1231S-20N+ | DS1231S-50+ | DS1231S-20N | DS1231-20+ | DS1231S-20 |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Obsolete | Active | Obsolete |
| Type | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Threshold | 4.37V, 4.62V | 4.37V, 4.62V | 4.37V, 4.62V | 4.37V, 4.62V | 4.37V, 4.62V | 4.37V, 4.62V |
| Output | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector |
| Reset | Active High/Active Low | Active High/Active Low | Active High/Active Low | Active High/Active Low | Active High/Active Low | Active High/Active Low |
| Reset Timeout | 150ms Minimum | 150ms Minimum | 150ms Minimum | 150ms Minimum | 150ms Minimum | 150ms Minimum |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 8-DIP (0.300", 7.62mm) | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 8-PDIP | 16-SOIC |
