Maxim Integrated MAX6464XR46+T, Simple Reset/Power-On Reset, Active Low, Push-Pull Output, 4.6V Threshold, 150ms Minimum Reset Timeout, -40°C to 125°C, SC-70-3, Surface Mount.
| Parameter | Value |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Mounting type | Surface Mount |
| Voltage - threshold | 4.6V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C ~ 125°C (TA) |
| Reset | Active Low |
| Output | Push-Pull, Totem Pole |
| Package | Strip |
| Reset timeout | 150ms Minimum |
| Case | SC-70, SOT-323 |
Rated for -40°C to 125°C, this part handles automotive under-hood, industrial motor drives, and outdoor telecom enclosures where the ambient can swing well beyond commercial limits. The SC-70-3 package is small enough for space-constrained ECU modules but still hand-solderable for prototyping.
Listed as Active with ROHS3 compliance.
The reset threshold voltage is 4.6V. This part monitors a single 5V rail and asserts reset when the supply drops below that level.
No — the 4.6V threshold is designed for 5V rails. In a 3.3V system the supply will never reach the threshold, so the reset output will never release. For 3.3V monitoring, select a part with a threshold near 3.0V or 2.9V.
Both are simple reset ICs in the same family with the same package and output type. The difference is the reset threshold voltage — the MAX6464XR46+T trips at 4.6V, while the MAX6465XR46+T uses a different threshold. Verify the threshold of the MAX6465 variant against your supply rail before substituting.