MCP1316T-32LE/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
The MCP1316T-32LE/OT is a microprocessor supervisory circuit with an active-low reset output, manual reset input, and 1600 ms watchdog timer window. It monitors a 3.2 V threshold and issues a 200 ms reset delay pulse to ensure clean MCU restarts. Offered in a 5-pin SOT-23 package with RoHS-compliant lead-free construction.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP1316T-32LE/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4300(MOQ 25)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP1316T-32LE/OT?
- 3.2 V trip threshold with 200 ms reset delay for reliable microcontroller power-on sequencing
- 1600 ms watchdog timer window preventing firmware lockup in embedded systems
- Active-low open-drain reset output compatible with 1.8 V to 5 V MCU logic levels
What is MCP1316T-32LE/OT used for?
The MCP1316T-32LE/OT is ideal for embedded systems requiring reliable power-on reset and watchdog supervision, such as industrial PLCs, home automation controllers, and portable medical devices. Its 3.2 V monitored threshold ensures the MCU is held in reset until the supply stabilizes after power-on or brownout events. Battery-powered IoT nodes benefit from its combined manual reset and 1600 ms watchdog window to recover from firmware hangs without human intervention.
What are the specifications of MCP1316T-32LE/OT?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 6Weeks |
| YTEOL | 18 |
| Additional Feature | MNL RST:Y;PW FL IO:N;PRG RST DLY:N;WD:Y;WDO:N;WWD:N |
| Adjustable Threshold | YES |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Screening Level | TS 16949 |
| Supply Current-Max (Isup) | 0.01mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +3.2V |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia, Thailand |
Where can I find the MCP1316T-32LE/OT datasheet?
MCP1316T-32LE/OT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1316T-32LE/OT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What watchdog timeout does MCP1316T-32LE/OT provide, and how does it protect against firmware lockups?
MCP1316T-32LE/OT features a 1600 ms watchdog timer window. If the firmware fails to toggle the WDI pin within 1600 ms, the device asserts the active-low reset output for 200 ms, forcing the MCU to restart and recover from any software hang or infinite loop condition in embedded control applications.
At what supply voltage does MCP1316T-32LE/OT assert a reset in brownout detection scenarios?
MCP1316T-32LE/OT asserts reset when the monitored supply drops below the 3.2 V trip threshold. The reset remains asserted for 200 ms after the voltage recovers above 3.2 V, ensuring the MCU does not resume execution until the supply has fully stabilized, protecting data integrity and peripheral initialization sequences.
How does the 5-pin SOT-23 package of MCP1316T-32LE/OT fit into space-constrained embedded designs?
The SOT-23-5 package measures approximately 2.9 mm x 1.6 mm with 0.95 mm pin pitch, occupying under 5 mm² including decoupling capacitors. This compact footprint allows placement immediately adjacent to the MCU's VDD pin on dense IoT or wearable PCBs, minimizing reset glitch susceptibility due to short supply monitoring traces.
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|---|---|---|
| 25+ | $0.4900 | $12.25 |
| 100+ | $0.4500 | $45.00 |
| 1000+ | $0.4300 | $430.00 |
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