MAX6394US310D3+ Analog Devices Integrated Circuit (Other) In Stock
The MAX6394US310D3+ is a single-channel voltage supervisor and microprocessor reset IC from Analog Devices (Maxim), featuring an adjustable threshold and four selectable reset timeout periods of 0.7 ms, 14 ms, 105 ms, and 826 ms in a tiny 4-pin SOT-23 package. It monitors supply rails and asserts a reset signal to prevent MCU or logic misstarts during power-up and brownout conditions.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- MAX6394US310D3+ Datasheet PDF
- Category
- Integrated Circuit
- 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 MAX6394US310D3+?
- Four factory-selectable reset timeout periods: 0.7 ms, 14 ms, 105 ms, and 826 ms for flexible hold-off timing
- Adjustable voltage threshold allowing precise brownout detection on 1.8 V, 2.5 V, 3.3 V, or 5 V rails
- Single-channel voltage supervisor in a 4-pin SOT-23 package minimizing PCB area to under 5 mm²
- Active-low reset output directly compatible with MCU reset inputs without external logic
- JESD-609 e3 Pb-free rating meeting RoHS requirements for global distribution
- YTEOL of 10 years ensuring long-term supply continuity for industrial and appliance designs
What is MAX6394US310D3+ used for?
The MAX6394US310D3+ is deployed in microcontroller-based industrial controllers, smart meters, and medical monitoring devices where reliable power-on reset and brownout detection prevent firmware corruption or undefined MCU behavior during supply transients. It also suits consumer appliances and IoT gateway modules that require a compact, pin-count-minimal supervisor to hold a processor in reset until the supply voltage stabilizes above the programmed threshold.
What are the specifications of MAX6394US310D3+?
| Manufacturer Package Code | 4-SOT_23-N/A |
| Date Of Intro | 2008-02-12 |
| YTEOL | 10 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G4 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 20mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| Supply Voltage-Nom (Vsup) | 3.6V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +3.102V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX6394US310D3+ datasheet?
MAX6394US310D3+ Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX6394US310D3+?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What reset timeout periods are available for the MAX6394US310D3+, and how does the choice affect system startup behavior?
The MAX6394US310D3+ offers four timeout options: 0.7 ms, 14 ms, 105 ms, and 826 ms. The '310D3' suffix selects a specific timeout from this set. A longer timeout, such as 826 ms, keeps the MCU in reset until slow-starting power supplies and capacitors fully charge, preventing firmware misstarts; a shorter period like 0.7 ms minimizes boot delay in time-critical applications.
What supply voltage threshold does the MAX6394US310D3+ monitor, and how is it adjusted?
The device features an adjustable threshold, allowing the designer to set the brownout detection voltage to match the MCU's minimum operating voltage, typically between 1.5 V and 5 V. A resistor divider network on the threshold input pin scales the monitored rail to the internal reference, giving better than 1% accuracy on the trip point for reliable brownout detection.
How small is the MAX6394US310D3+ footprint, and is it suitable for extremely space-constrained PCB designs?
The MAX6394US310D3+ uses a 4-pin SOT-23 package, one of the smallest standard plastic surface-mount outlines available, with a body of approximately 2.9 mm × 1.6 mm. Four pins is the minimum needed for supply, ground, threshold input, and reset output, making this part ideal for densely packed IoT modules, wearables, or any design where preserving every square millimeter of board space matters.
Is the MAX6394US310D3+ suitable for long-lifecycle industrial designs, and what is its production status?
With a YTEOL of 10 years and an introduction date of 2008, the MAX6394US310D3+ is a well-established, actively produced device. Industrial and appliance programs committing to 7- to 10-year production runs can source it with confidence, and its long history in production also means distributor safety stock is typically available to absorb short-term demand spikes.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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