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Analog Devices Inc. ADM6384YKS34D2Z-R7
- Part No.:
- ADM6384YKS34D2Z-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SC-82A, SOT-343
- Datasheet:
-
ADM6384YKS34D2Z-R7.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SC70-4
- Quantity:
- Payment:
- Shipping:
Inventory:20,995
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Product details
Overview
ADM6384YKS34D2Z-R7 from Analog Devices is a precision microprocessor supervisory circuit in a 4-lead SC70 package, monitoring VCC supply voltage with a 3.4 V reset threshold and 20 ms minimum reset timeout. It features push-pull active-low RESET output valid down to VCC = 1 V, manual reset input with 52 kΩ internal pull-up, and consumes only 7 µA typical at 3.6 V - enabling reliable power-on reset in automotive-grade embedded controllers.
For engineers reviewing the ADM6384YKS34D2Z-R7 datasheet, ADM6384YKS34D2Z-R7 pinout, ADM6384YKS34D2Z-R7 application, or ADM6384YKS34D2Z-R7 equivalent, key selection criteria include guaranteed reset validity at low VCC, glitch-immune MR input, temperature-stable threshold (60 ppm/°C), and compatibility with wide-input microcontrollers requiring robust brownout protection across −40°C to +125°C.
Technical Context
The ADM6384YKS34D2Z-R7 implements a precision bandgap-based voltage reference and comparator architecture to detect VCC falling below its 3.4 V nominal threshold (±2% over temperature). Its internal debounce logic rejects MR pulses shorter than 1 µs and suppresses transients ≤100 ns, ensuring noise immunity without external RC filtering.
Reset assertion is synchronized to both VCC decay and MR activation, with fixed 20 ms timeout after VCC recovery or MR release. The push-pull output drives low to 0.3 V at 1.2 mA sink current, eliminating need for external pull-down resistors while maintaining logic-level compatibility with 1.8 V–5.5 V I/O domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 3.4 V ±2% - precisely holds microprocessor in reset until supply stabilizes above critical logic rail level |
| Reset Timeout | 20 ms min - ensures sufficient hold time for CPU core and peripheral initialization after power ramp |
| Supply Current | 7 µA typ @ 3.6 V - enables always-on supervision in battery-backed systems without measurable drain |
| Operating Temp | −40°C to +125°C - qualified for under-hood automotive, industrial PLC, and high-reliability embedded use |
| VCC Range | 1 V to 5.5 V - guarantees functional reset output even during deep brownout or partial power loss |
| MR Input Pull-Up | 52 kΩ internal - eliminates external bias resistor; supports direct push-button connection to GND |
| Reset Output Type | Push-pull active-low - provides strong low-state drive (0.3 V @ 1.2 mA) without external components |
Pinout & Package
ADM6384YKS34D2Z-R7 is housed in a 4-lead SC70 (KS-4) package measuring 2.20 mm × 1.35 mm × 0.9 mm, optimized for space-constrained PCB layouts in portable and automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 GND | Ground Reference | Primary return path for internal reference and output stage; must be connected to system ground plane |
| 2 RESET | Active-Low Reset Output | Push-pull driver asserted low when VCC < 3.4 V or MR pulled low; sinks up to 1.2 mA at 3.6 V |
| 3 MR | Manual Reset Input | Active-low input with 52 kΩ internal pull-up; accepts 1 µs minimum pulse; rejects <100 ns glitches |
| 4 VCC | Monitored Supply Input | Input voltage source being supervised; powers internal circuitry and defines logic thresholds |
Key Features
| Feature | Design Value |
|---|---|
| Precision Threshold Selection | 31 factory-set options (1.58 V–5.0 V); ADM6384YKS34D2Z-R7 delivers exact 3.4 V trip point for 3.3 V rail supervision |
| Glitch-Immune Manual Reset | On-chip debounce and 100 ns transient rejection eliminate false resets from ESD or switching noise on MR line |
| Low-VCC Reset Validity | RESET output remains logic-low and functional down to VCC = 1 V - critical for fail-safe shutdown sequencing |
| Ultra-Low Quiescent Current | 7 µA typical consumption enables permanent connection to battery rails in always-on monitoring applications |
| High-Temp Industrial Grade | Specified over −40°C to +125°C with 60 ppm/°C threshold drift - suitable for engine control units and motor drives |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Programmable Logic Controller (PLC) |
|---|---|
Use Scenario: Monitors 3.3 V microcontroller supply during cold cranking, where battery dips to 6 V causing regulator sag. IC Role / Device Role / Timing Role: Supervisory circuit asserting hardware reset until VCC recovers above 3.4 V and sustains 20 ms stability. Use Value: Prevents corrupted firmware execution during voltage brownout, meeting ISO 16750-2 transient immunity requirements. |
Use Scenario: Ensures deterministic startup of ARM Cortex-M7 controller after AC power interruption in factory automation cabinet. IC Role / Device Role / Timing Role: Generates clean power-on reset pulse synchronized to 3.3 V rail stabilization, independent of software boot loader timing. Use Value: Eliminates need for external RC reset networks, reducing BOM count and improving long-term reliability in high-vibration environments. |
| Medical Infusion Pump Controller | Smart Energy Meter MCU |
Use Scenario: Maintains safe shutdown state during lithium battery discharge below 3.4 V cutoff threshold in portable medical device. IC Role / Device Role / Timing Role: Active-low reset output held asserted while VCC decays, forcing MCU into controlled low-power halt before data corruption. Use Value: Guarantees EEPROM write completion and fault logging prior to power loss - compliant with IEC 62304 Class C safety requirements. |
Use Scenario: Supervises 3.3 V supply feeding metrology SoC and RF transceiver during grid voltage sags in AMI meter deployments. IC Role / Device Role / Timing Role: Provides 20 ms reset hold time after VCC recovery to allow crystal oscillator stabilization and secure boot verification. Use Value: Enables tamper-resistant firmware update sequence by preventing premature CPU wake-up before cryptographic key loading completes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6326UT34D3+T | 3.4 V threshold, 140 ms timeout (not 20 ms); SOT-23-3 package; no MR input | Lacks manual reset capability; longer timeout limits use in fast-recovery systems | Select only if manual reset is unnecessary and extended reset hold time is acceptable |
| TPS3808G33DBVR | 3.3 V threshold (±0.5%), 200 ms timeout default; adjustable via capacitor; 6-pin SOT-23 | Higher threshold tolerance but fixed longer timeout; requires external timing cap for adjustment | Prefer when tighter threshold accuracy is required and board space allows 6-pin footprint |
Compared with MAX6326UT34D3+T and TPS3808G33DBVR, ADM6384YKS34D2Z-R7 uniquely combines precise 3.4 V trip point, 20 ms timeout, manual reset input, and ultra-low 7 µA quiescent current in a 4-pin SC70 - making it optimal for compact, battery-sensitive, and user-resettable embedded systems.
Availability
ADM6384YKS34D2Z-R7 is available at Aetrix Electronics and suitable for automotive engine control units, industrial programmable logic controllers, medical infusion pump controllers, and smart energy meter MCUs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADM6384YKS34D2Z-R7 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
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, serving industrial, automotive, communications, and healthcare markets since 1965.
The ADM6384 family was designed specifically for microprocessor-based systems needing precision, low-power, and temperature-robust supply supervision - with emphasis on automotive-grade reliability and minimal external component count.
FAQ
What is the exact reset threshold voltage of ADM6384YKS34D2Z-R7?
The ADM6384YKS34D2Z-R7 has a nominal reset threshold of 3.4 V, with a guaranteed range of 3.32 V to 3.49 V over −40°C to +125°C per the datasheet's ordering guide and Table 1. This value is factory-trimmed and applies specifically to the "34" suffix in the part number, corresponding to the 3.4 V option within the ADM6384 family.
Does ADM6384YKS34D2Z-R7 support manual reset functionality?
Yes, ADM6384YKS34D2Z-R7 includes a dedicated MR (Manual Reset) input on Pin 3. Driving MR low for ≥1 µs asserts the active-low RESET output regardless of VCC level. The pin features a 52 kΩ internal pull-up resistor, allowing direct connection to a push-button switch without external biasing components.
What is the minimum VCC level at which ADM6384YKS34D2Z-R7 guarantees valid reset output?
ADM6384YKS34D2Z-R7 guarantees RESET output validity down to VCC = 1 V. The push-pull output maintains logic-low state with VOL ≤ 0.3 V at ISINK = 1.2 mA when VCC ≥ 2.5 V, and remains functional (though with reduced drive strength) as VCC drops to 1 V - critical for fail-safe brownout response.
Is ADM6384YKS34D2Z-R7 RoHS compliant and lead-free?
Yes, ADM6384YKS34D2Z-R7 is RoHS compliant and lead-free, indicated by the "Z" suffix in the part number per Analog Devices' ordering guide. It meets EU Directive 2011/65/EU and is manufactured using Pb-free soldering processes compatible with 260°C reflow profiles.
What package type and dimensions does ADM6384YKS34D2Z-R7 use?
ADM6384YKS34D2Z-R7 uses a 4-lead SC70 package (also designated KS-4), with body dimensions of 2.20 mm × 1.35 mm × 0.9 mm and pin pitch of 0.65 mm. This ultra-compact outline is specified per EIAJ SC82 standards and supports high-density PCB layouts in space-constrained applications.
ADM6384YKS34D2Z-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- 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:
- 3.4V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active Low
- Reset Timeout:
- 20ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-4
ADM6384YKS34D2Z-R7 FAQ
1.How can I place an order for ADM6384YKS34D2Z-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM6384YKS34D2Z-R7 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 ADM6384YKS34D2Z-R7 reliable?
The price and inventory of ADM6384YKS34D2Z-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM6384YKS34D2Z-R7 is usually 5 days.
3.What payment methods are accepted for ADM6384YKS34D2Z-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM6384YKS34D2Z-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM6384YKS34D2Z-R7?
ADM6384YKS34D2Z-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM6384YKS34D2Z-R7 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 ADM6384YKS34D2Z-R7?
For technical support, including ADM6384YKS34D2Z-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM6384YKS34D2Z-R7 requirements.
6.How does Aetrix verify that ADM6384YKS34D2Z-R7 is sourced from the original manufacturer or authorized distributors?
All ADM6384YKS34D2Z-R7 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 ADM6384YKS34D2Z-R7 meets industry standards.
7.What is the process for return or replacement of ADM6384YKS34D2Z-R7?
All ADM6384YKS34D2Z-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADM6384YKS34D2Z-R7, 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 ADM6384YKS34D2Z-R7 part is unused and in its original packaging.
Return procedure for ADM6384YKS34D2Z-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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