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Analog Devices Inc./Maxim Integrated MAX6384XS26D4-T
- Part No.:
- MAX6384XS26D4-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SC-82A, SOT-343
- Datasheet:
-
MAX6384XS26D4-T.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SC70-4
- Quantity:
- Payment:
- Shipping:
Inventory:12,500
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Product details
Overview
MAX6384XS26D4-T from Maxim Integrated is a low-power microprocessor supervisory circuit with factory-set 2.63V reset threshold, 1120ms VCC reset timeout, and active-low push-pull reset output. It monitors +1.8V to +5.0V supply rails, consumes only 3μA at +1.8V, and guarantees valid reset state down to VCC = 1V. Used in portable equipment and dual-voltage systems for reliable power-on reset and brownout protection.
For engineers reviewing the MAX6384XS26D4-T datasheet, MAX6384XS26D4-T pinout, MAX6384XS26D4-T application, or MAX6384XS26D4-T equivalent, this page delivers verified specifications, SC70-4 package details, manual reset timing behavior (140ms), ±2.5% threshold accuracy over –40°C to +125°C, and direct alternatives for industrial embedded and battery-powered designs.
Technical Context
The MAX6384XS26D4-T integrates a precision voltage comparator with internal 2.63V reference and a monostable timer configured for 1120ms minimum VCC reset assertion after power-up recovery. Its MR input features a 63kΩ internal pullup resistor and supports TTL/CMOS-compatible manual reset triggering with 1µs minimum pulse width.
Reset assertion occurs when VCC falls below 2.63V or MR is pulled low; reset remains asserted for 1120ms after VCC rises above threshold or 140ms after MR release. The push-pull output drives low during reset and guarantees logic-level validity down to VCC = 1V without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.63V (factory-set, ±2.5% over –40°C to +125°C) - ensures accurate brownout detection across automotive and industrial temperature ranges. |
| VCC Reset Timeout | 1120ms (min) - provides sufficient hold time for slow-ramping microprocessors and FPGA configuration circuits. |
| Manual Reset Timeout | 140ms (min) - enables fast, debounced system reset via pushbutton without external RC network. |
| Supply Current | 3μA at +1.8V - enables multi-year operation in coin-cell–powered IoT sensors and wearables. |
| Operating Voltage Range | +1.0V to +5.5V - supports operation during deep brownout and compatibility with 1.2V–5V logic domains. |
| Reset Output Type | Active-low push-pull - eliminates need for external pullup resistor and drives directly into μP RESET pin. |
| MR Input Pullup | 63kΩ internal resistor - allows direct connection of momentary switch to GND; no external bias required. |
Pinout & Package
MAX6384XS26D4-T is housed in a RoHS-compliant 4-pin SC70 package (outline 21-0098, land pattern 90-0187), measuring 2.0mm × 2.1mm × 0.95mm. This ultra-compact footprint supports high-density PCB layouts in space-constrained portable electronics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Primary supply input and monitored voltage rail; powers internal circuitry and serves as reset threshold reference point. |
| 2 | RESET | Active-low push-pull output; sinks current during reset assertion and floats high when deasserted - directly interfaces with μP RESET pin. |
| 3 | MR | Active-low manual reset input; internally pulled up to VCC via 63kΩ resistor - enables hardware-initiated reset using simple SPST switch to GND. |
| 4 | GND | Ground reference for all internal comparators, timers, and output drivers; must be connected to system ground plane for noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Factory-trimmed 2.63V threshold | Eliminates external resistor divider and calibration effort; meets ±2.5% accuracy requirement across full industrial temperature range. |
| 1120ms VCC reset timeout | Guarantees μP core and peripherals fully stabilize before release - prevents race conditions in multi-rail power sequencing. |
| 140ms manual reset timeout | Provides clean, glitch-free reset pulse even with mechanical switch bounce - removes need for external debounce circuitry. |
| 3μA supply current at 1.8V | Extends battery life in always-on monitoring nodes; enables use in energy-harvesting applications with microamp-level budgets. |
| Valid reset output down to VCC = 1V | Ensures deterministic system behavior during deep undervoltage events - avoids metastability in downstream logic. |
Applications
| Portable Medical Sensors | Battery-Powered Data Loggers |
|---|---|
|
Use Scenario: Wearable ECG patch operating from CR2032 coin cell with intermittent BLE transmission. IC Role / Device Role / Timing Role: Monitors 3.0V LDO output and asserts reset if voltage sags below 2.63V during RF burst; holds reset for 1120ms on power-up. Use Value: Prevents firmware crash during battery depletion; 3μA quiescent current extends operational life beyond 2 years. |
Use Scenario: Environmental sensor node logging temperature/humidity every 5 minutes using AA alkaline cells. IC Role / Device Role / Timing Role: Detects brownout during cold-weather operation (<–20°C) and forces controlled shutdown via MR-triggered 140ms reset pulse. Use Value: Eliminates data corruption from partial writes; internal MR pullup removes need for discrete resistor on compact PCB. |
| Industrial PLC I/O Modules | Dual-Rail Microcontroller Systems |
|
Use Scenario: DIN-rail mounted analog input module powered by 24VDC-to-3.3V isolated converter. IC Role / Device Role / Timing Role: Supervises 3.3V logic rail and provides 1120ms power-on reset to ARM Cortex-M4 MCU; immune to 100ns VCC transients. Use Value: Meets IEC 61000-4-4 EFT immunity requirements without additional filtering; AEC-Q100 qualified variant available. |
Use Scenario: Automotive body controller with separate 5V analog and 1.8V core rails. IC Role / Device Role / Timing Role: Primary reset supervisor for 3.3V domain; MR pin tied to diagnostic test connector for service-mode reset initiation. Use Value: Enables field-service reset without disassembly; push-pull output drives multiple gate inputs without signal degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor reset applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6326XR26D4+T | Same 2.63V threshold and 1120ms timeout, but no MR input; 3-pin SC70 package. | Lacks manual reset capability; suitable only for fixed-supply systems requiring minimal footprint. | Select when board space is critical and hardware reset is unnecessary. |
| TPS3124E12DBVR | 2.63V threshold, 200ms reset timeout, 1.8–5.5V operation, 1.6μA typical ICC. | Shorter timeout and lower quiescent current; open-drain output requires external pullup. | Choose for ultra-low-power designs where 200ms reset hold is sufficient and layout allows pullup resistor. |
Compared with MAX6384XS26D4-T, MAX6326XR26D4+T saves board area but forfeits field-service reset, while TPS3124E12DBVR reduces current draw by 47% at the cost of timeout duration and output drive strength - making MAX6384XS26D4-T optimal for robust, serviceable embedded systems.
Availability
MAX6384XS26D4-T is available at Aetrix Electronics and suitable for portable medical sensors, battery-powered data loggers, industrial PLC I/O modules, and dual-rail microcontroller systems requiring stable component supply across extended temperature and lifecycle demands.
Supply support for MAX6384XS26D4-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) designs precision analog and mixed-signal ICs for demanding industrial, automotive, and computing applications, with emphasis on low-power, high-reliability solutions.
The MAX6381–MAX6390 family delivers single/dual low-voltage supervisory circuits optimized for battery longevity, thermal robustness, and seamless integration into space-constrained embedded systems.
FAQ
What is the exact reset threshold voltage of the MAX6384XS26D4-T?
The MAX6384XS26D4-T has a factory-set reset threshold of 2.63V, specified with ±2.5% tolerance over the full –40°C to +125°C operating temperature range. This value is confirmed in the Reset Thresholds table of the datasheet (suffix "26") and applies directly to the MAX6384XS26D4-T without calibration or external components.
Does the MAX6384XS26D4-T support manual reset functionality?
Yes, the MAX6384XS26D4-T includes a dedicated MR (manual reset) input with an internal 63kΩ pullup resistor to VCC. Driving MR low initiates a reset that remains active for 140ms after MR is released - enabling reliable hardware reset using a simple momentary switch without external debounce circuitry.
What is the guaranteed reset timeout period for VCC recovery on the MAX6384XS26D4-T?
The MAX6384XS26D4-T guarantees a minimum VCC reset timeout of 1120ms after VCC rises above the 2.63V threshold. This value is defined by the "D4" suffix in the part number and is validated across temperature and process corners per the Electrical Characteristics table.
Which package type does the MAX6384XS26D4-T use, and what are its dimensions?
The MAX6384XS26D4-T uses a 4-pin SC70 package (outline number 21-0098), measuring 2.0mm × 2.1mm × 0.95mm. This RoHS-compliant, lead-free package is optimized for high-density PCB layouts and is explicitly listed in the Ordering Information section for the MAX6384XSxxDx variants.
Can the MAX6384XS26D4-T operate reliably at VCC = 1.0V?
Yes, the MAX6384XS26D4-T guarantees correct reset output logic state down to VCC = 1.0V, as stated in the Absolute Maximum Ratings and Electrical Characteristics tables. This ensures deterministic behavior during deep brownout conditions where other supervisors may fail to assert or deassert reset correctly.
MAX6384XS26D4-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SC-82A, SOT-343
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.63V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 1.12s Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-4
MAX6384XS26D4-T FAQ
1.How can I place an order for MAX6384XS26D4-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6384XS26D4-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 MAX6384XS26D4-T reliable?
The price and inventory of MAX6384XS26D4-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6384XS26D4-T is usually 5 days.
3.What payment methods are accepted for MAX6384XS26D4-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6384XS26D4-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6384XS26D4-T?
MAX6384XS26D4-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6384XS26D4-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 MAX6384XS26D4-T?
For technical support, including MAX6384XS26D4-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6384XS26D4-T requirements.
6.How does Aetrix verify that MAX6384XS26D4-T is sourced from the original manufacturer or authorized distributors?
All MAX6384XS26D4-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 MAX6384XS26D4-T meets industry standards.
7.What is the process for return or replacement of MAX6384XS26D4-T?
All MAX6384XS26D4-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6384XS26D4-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 MAX6384XS26D4-T part is unused and in its original packaging.
Return procedure for MAX6384XS26D4-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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