Maxim Integrated EconoReset series, DS1233Z-10+, Simple Reset/Power-On Reset, Active Low, Open Drain or Open Collector, 1 channel, 4.375V threshold, 250ms minimum reset timeout, SOT-223-3, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Series | EconoReset |
| Mounting | Surface Mount |
| Voltage - threshold | 4.375V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Reset | Active Low |
| Output | Open Drain or Open Collector |
| Package | Tube |
| Reset timeout | 250ms Minimum |
| Case | TO-261-4, TO-261AA |
The open-drain output lets you wire-OR the reset signal with other supervisors or a manual reset button. Pull-up resistor to the monitored rail or to a separate 5V supply — the choice depends on the processor's reset input requirements.
No direct pin-compatible equivalent is listed in the official record. The DS1233Z-10+ is a standalone EconoReset part; any replacement would need to match the 4.375V threshold, active-low open-drain output, and 250ms minimum timeout in an SOT-223-3 footprint.
Yes. The 4.375V threshold is designed for 5V nominal supplies — it asserts reset when the rail drops below approximately 4.375V, which is typical for 5V ±10% systems.