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Analog Devices Inc./Maxim Integrated MAX6336US24D1-T
- Part No.:
- MAX6336US24D1-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- TO-253-4, TO-253AA
- Datasheet:
-
MAX6336US24D1-T.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SOT143-4
- Quantity:
- Payment:
- Shipping:
Inventory:1,657
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Product details
Overview
MAX6336US24D1-T from Maxim Integrated is a push/pull, active-low microprocessor supervisory circuit designed for 1.8V–3.3V digital systems. It monitors VCC supply voltage with a factory-trimmed 2.40V reset threshold, asserts RESET for ≥1ms after power-up or manual reset, operates down to 0.7V VCC, and draws only 3.3µA at 2.5V - enabling reliable brownout detection in battery-powered controllers and portable instrumentation.
For engineers reviewing the MAX6336US24D1-T datasheet, MAX6336US24D1-T pinout, MAX6336US24D1-T application, or MAX6336US24D1-T equivalent, key selection criteria include guaranteed RESET validity to 0.7V, 1ms minimum timeout, SOT143 package compatibility with MAX811/MAX6314, and precise 2.40V threshold tolerance (±1.8% at +25°C, ±3% over –40°C to +125°C).
Technical Context
The MAX6336US24D1-T implements a precision bandgap-based reset comparator with built-in immunity to fast VCC transients (e.g., ≤24µs glitches at 100mV overdrive). Its internal 20kΩ MR pull-up enables direct connection of a momentary switch to GND without external debounce components.
Reset assertion is triggered solely by VCC falling below 2.40V or MR low; deassertion occurs after VCC rises above threshold plus a fixed 1ms timeout. The push/pull output drives RESET low actively and high via internal transistor - ensuring valid logic levels without external pull-ups across full temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.40V nominal (±1.8% at +25°C; ±3% over –40°C to +125°C) - ensures accurate brownout detection for 2.5V systems |
| Reset Timeout Period | 1ms minimum - provides sufficient hold time for µP initialization before release |
| Supply Voltage Range | 0.7V to 5.5V - supports operation during deep brownout and full-system power-up sequencing |
| Supply Current | 3.3µA typical at 2.5V - enables multi-year battery life in always-on monitoring applications |
| RESET Output Type | Push/pull, active-low - eliminates need for external pull-up resistor and guarantees defined logic state |
| MR Input Threshold | 0.42V max (VCC = 2.6V) - ensures robust noise margin for manual reset activation |
| Operating Temperature | –40°C to +125°C - qualified for automotive under-hood and industrial control environments |
Pinout & Package
MAX6336US24D1-T is housed in a 4-pin SOT143 package (3.0mm × 1.6mm × 0.9mm), surface-mount, lead-free compatible (–T suffix), with gull-wing leads and exposed pad not connected internally.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Ground reference for all internal comparators and output stage; must be low-impedance connection |
| 2 | RESET | Active-low push/pull output; sinks current when asserted, sources current when deasserted - no external pull-up required |
| 3 | MR | Manual reset input with internal 20kΩ pull-up; logic low (≤0.42V) forces immediate reset assertion |
| 4 | VCC | Power supply input; powers internal circuitry and defines reset threshold reference - functional down to 0.7V |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low 0.7V operating supply | Enables reset assertion even during severe brownout - critical for fail-safe shutdown in portable equipment |
| Factory-trimmed 2.40V threshold | Eliminates external resistor divider calibration; reduces BOM count and layout area in space-constrained SOT143 designs |
| Debounced MR input | Internal filtering removes switch bounce artifacts - no RC network or firmware debouncing needed |
| 1ms minimum reset timeout | Guarantees µP reset pulse meets minimum assertion time for ARM Cortex-M0/M3 and PIC16F/18F families |
| VCC transient immunity | Rejects ≤24µs negative glitches at 100mV overdrive - prevents spurious resets in noisy automotive or motor-control environments |
Applications
| Portable Medical Monitor | Automotive Body Control Module |
|---|---|
|
Use Scenario: Battery-powered ECG front-end continuously monitors analog sensor signals and wakes MCU on event detection. IC Role / Device Role / Timing Role: Supervisory circuit asserting RESET during Li-ion battery voltage sag below 2.40V to prevent corrupted memory writes. Use Value: 3.3µA quiescent current extends battery life beyond 3 years; 0.7V operation ensures reset remains valid until battery reaches end-of-discharge. |
Use Scenario: Central body controller manages door locks, lighting, and window motors powered from vehicle 12V rail via LDO. IC Role / Device Role / Timing Role: Brownout detector triggering system-wide reset when LDO output drops due to alternator failure or cold-cranking. Use Value: –40°C to +125°C rating matches under-dash thermal requirements; 1ms timeout satisfies ISO 16750-2 cold-crank reset timing. |
| Industrial PLC I/O Module | Smart Energy Meter |
|
Use Scenario: DIN-rail mounted I/O module interfaces with field sensors and communicates via RS-485 to host controller. IC Role / Device Role / Timing Role: Power supervisor ensuring deterministic µC restart after AC line interruption or surge-induced LDO dropout. Use Value: Push/pull RESET eliminates external pull-up, reducing component count in high-density PCB layouts; SOT143 footprint saves >1.5mm² vs SO-8 alternatives. |
Use Scenario: Revenue-grade meter with real-time clock, metrology ASIC, and RF mesh communication running off supercapacitor backup. IC Role / Device Role / Timing Role: Critical power monitor asserting RESET when supercap voltage falls below 2.40V during mains outage. Use Value: Factory-trimmed 2.40V threshold eliminates calibration step in production test; 20kΩ MR pull-up allows single-switch reset without added passives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX811TEUS24D3-T | Same 2.40V threshold and 1ms timeout, but rated only to +85°C; supply current 10µA at 3.3V | Limited to commercial-temperature industrial controls, not automotive or extended-temp embedded systems | Select when cost sensitivity outweighs extended temperature requirement and higher ICC is acceptable |
| TPS3808G125DBVR | 2.5V threshold (±0.5%), 20ms min timeout, 1.2µA ICC at 3.3V; requires external pull-up for open-drain RESET | Better ultra-low-power performance but longer reset hold time - unsuitable where fast µP boot is required | Prefer for battery-backed RTC modules needing sub-2µA standby; avoid in time-critical µP startup paths |
Compared with MAX6336US24D1-T, MAX811TEUS24D3-T trades extended temperature support and lower ICC for reduced cost, while TPS3808G125DBVR offers superior quiescent current but mandates external pull-up and imposes longer reset assertion - making MAX6336US24D1-T optimal for automotive and industrial applications demanding 0.7V operation, 1ms timing, and push/pull simplicity.
Availability
MAX6336US24D1-T is available at Aetrix Electronics and suitable for portable medical monitors, automotive body control modules, and industrial PLC I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6336US24D1-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, and communications markets.
The MAX633x family delivers ultra-low-voltage, low-power µP supervisory circuits with factory-trimmed thresholds and integrated manual reset - engineered for reliability in battery-powered, automotive, and harsh-environment embedded systems.
FAQ
What is the exact reset threshold voltage for MAX6336US24D1-T?
The MAX6336US24D1-T has a factory-trimmed nominal reset threshold of 2.40V, with ±1.8% tolerance at +25°C and ±3% over the full –40°C to +125°C operating range. This value is confirmed in Table 1 of the datasheet and applies specifically to the "US24" suffix variant - distinct from other members of the MAX633x family such as US23 (2.30V) or US25 (2.50V).
Does MAX6336US24D1-T require an external pull-up resistor on the RESET pin?
No, MAX6336US24D1-T does not require an external pull-up resistor because it features a push/pull output stage. The internal driver actively pulls RESET low during assertion and sources current to drive it high during deassertion - ensuring valid logic levels across the entire 0.7V–5.5V VCC range without external components.
What is the minimum reset timeout period specified for MAX6336US24D1-T?
The MAX6336US24D1-T has a minimum reset timeout period of 1ms, as indicated by the "D1" suffix in its part number. This value is guaranteed over temperature and supply voltage, and is distinct from the D2 (20ms min) and D3 (100ms min) variants - confirming its suitability for fast-boot microcontrollers like ARM Cortex-M0 and PIC16F series.
Can MAX6336US24D1-T operate reliably at VCC = 0.7V?
Yes, MAX6336US24D1-T is fully specified to operate and assert valid RESET down to VCC = 0.7V, as stated in the Absolute Maximum Ratings and Electrical Characteristics tables. This capability is unique to the MAX6335/MAX6336 variants (vs. MAX6337's 1.0V minimum) and is essential for detecting deep brownout conditions in lithium primary battery systems.
Is MAX6336US24D1-T pin-compatible with older Maxim supervisors like MAX811?
Yes, MAX6336US24D1-T is explicitly documented as pin-compatible with MAX811/MAX812 and MAX6314/MAX6315 in the Features section of the datasheet. All share identical 4-pin SOT143 pinout (VCC, RESET, MR, GND), enabling drop-in replacement in existing designs without PCB modification - provided the 2.40V threshold and 1ms timeout meet system requirements.
MAX6336US24D1-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- TO-253-4, TO-253AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.4V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 1ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-143-4
MAX6336US24D1-T FAQ
1.How can I place an order for MAX6336US24D1-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6336US24D1-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX6336US24D1-T reliable?
The price and inventory of MAX6336US24D1-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6336US24D1-T is usually 5 days.
3.What payment methods are accepted for MAX6336US24D1-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6336US24D1-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6336US24D1-T?
MAX6336US24D1-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6336US24D1-T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX6336US24D1-T?
For technical support, including MAX6336US24D1-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6336US24D1-T requirements.
6.How does Aetrix verify that MAX6336US24D1-T is sourced from the original manufacturer or authorized distributors?
All MAX6336US24D1-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX6336US24D1-T meets industry standards.
7.What is the process for return or replacement of MAX6336US24D1-T?
All MAX6336US24D1-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6336US24D1-T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX6336US24D1-T part is unused and in its original packaging.
Return procedure for MAX6336US24D1-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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