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onsemi MC74VHCT04ADR2
- Part No.:
- MC74VHCT04ADR2
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MC74VHCT04ADR2.pdf
- Description:
- IC INVERTER 6CH 1-INP 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,823
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Product details
Overview
MC74VHCT04ADR2 from onsemi is a hex inverting buffer/driver IC in the VHCT logic family, operating at 4.5–5.5 V supply, with 8 ns typical propagation delay, ±8 mA output drive, and TTL-compatible inputs. It serves as a level-shifting signal inverter in digital control interfaces for industrial PLC I/O modules.
For engineers reviewing the MC74VHCT04ADR2 datasheet, pinout, applications, or equivalent options, key selection factors include its 5 V operation, guaranteed TTL input thresholds, rail-to-rail CMOS output swing, and SOIC-14 package compatibility with legacy 74-series layouts.
Technical Context
The MC74VHCT04ADR2 implements six independent CMOS inverters using silicon-gate technology, ensuring fast switching with low dynamic power consumption. Its input structure meets standard TTL voltage thresholds (VIL ≤ 0.8 V, VIH ≥ 2.0 V), enabling direct interfacing with legacy TTL outputs without pull-up resistors.
Each inverter provides symmetrical output drive capability (±8 mA at VCC = 5 V), supports fan-out of 10 LSTTL loads, and maintains noise immunity with 0.4 V typical high-level and low-level noise margins under nominal conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - ensures compatibility with regulated 5 V systems and tolerance against rail droop. |
| Propagation Delay | 8 ns max at VCC = 5 V - enables reliable timing in sub-100 MHz clock distribution and control strobe paths. |
| Output Drive | ±8 mA - sufficient to directly drive multiple LSTTL inputs or small capacitive loads (< 50 pF) without buffering. |
| Input Thresholds | VIL ≤ 0.8 V, VIH ≥ 2.0 V - guarantees robust recognition of TTL logic levels without external level translation. |
| Quiescent Current | 2 µA max at VCC = 5.5 V - minimizes standby power in always-on industrial control subsystems. |
| Operating Temperature | −40 °C to +125 °C - qualified for extended temperature use in motor drives and automotive body controllers. |
Pinout & Package
MC74VHCT04ADR2 is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package with 1.27 mm pitch, JEDEC MS-012AC compliant, and rated for surface-mount reflow assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 9, 11, 13 | Input A–F | CMOS/TTL-compatible logic inputs; each accepts standard 0/5 V signals with hysteresis-free switching. |
| 2, 4, 6, 8, 10, 12 | Output Y1–Y6 | Inverted logic outputs; rail-to-rail swing (0 V to VCC) with ±8 mA sourcing/sinking capability. |
| 7 | GND | Digital ground reference; must be connected to system common return for stable noise margin. |
| 14 | VCC | Positive supply terminal; requires local 0.1 µF ceramic decoupling adjacent to pin for transient suppression. |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible input thresholds | Enables plug-in replacement of 74LS04 in existing 5 V designs without circuit modification. |
| Rail-to-rail CMOS output swing | Delivers full 0–5 V logic swing for clean interfacing with downstream CMOS or mixed-signal ADC/DAC peripherals. |
| Low quiescent current | Reduces static power draw in battery-backed or energy-sensitive control nodes (e.g., remote I/O terminals). |
| Extended temperature range | Supports deployment in under-hood automotive ECUs or industrial motor control cabinets without derating. |
Applications
| Industrial PLC Digital I/O | Automotive Body Control Module |
|---|---|
Use Scenario: Signal inversion and level restoration for discrete input status monitoring (e.g., limit switch, emergency stop) in modular I/O racks. IC Role / Device Role / Timing Role: Hex inverter providing isolated, noise-immune logic inversion with TTL-compatible input sensing and CMOS output drive. Use Value: Eliminates need for external pull-ups or level shifters while maintaining >20 kΩ input impedance and <8 ns response latency. | Use Scenario: Inverting control signals for door lock actuators, mirror position drivers, and interior lighting PWM enable lines. IC Role / Device Role / Timing Role: Logic-level translator and driver for microcontroller GPIO pins interfacing with higher-current load drivers. Use Value: Provides deterministic 5 V logic inversion with ±8 mA drive-sufficient to directly toggle low-side NPN/PNP drivers without gate buffers. |
| Legacy System Upgrade Interface | Test Equipment Signal Conditioning |
Use Scenario: Replacing obsolete 74LS04 in aging test fixtures and instrumentation where board space and BOM continuity are critical. IC Role / Device Role / Timing Role: Pin-compatible functional upgrade delivering lower power, higher noise immunity, and improved output drive. Use Value: Maintains identical SOIC-14 footprint and pinout while reducing supply current by >95% versus LS logic. | Use Scenario: Cleaning up noisy TTL-level trigger signals before feeding into high-speed digitizers or FPGA capture logic. IC Role / Device Role / Timing Role: Schmitt-trigger-free inverter used for waveform reshaping and edge sharpening in analog-to-digital stimulus paths. Use Value: Delivers consistent 8 ns propagation delay across temperature, enabling precise timing alignment in multi-channel synchronized acquisition. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex inverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74HCT04DR | Same 5 V supply range and TTL-compatible inputs; 10 ns max tPD vs. 8 ns for MC74VHCT04ADR2. | Slightly slower propagation; identical SOIC-14 package and pinout. | Preferred when absolute minimum delay is not required and TI's qualification flow is mandated. |
| 74VHC04M | Lower supply range (2–5.5 V); CMOS-only inputs (no TTL threshold guarantee); 7.5 ns tPD. | Not suitable for direct TTL interface without external biasing; wider VCC flexibility. | Select only if system uses mixed 3.3/5 V rails and TTL compatibility is unnecessary. |
Compared with SN74HCT04DR and 74VHC04M, the MC74VHCT04ADR2 uniquely balances 5 V TTL interoperability, 8 ns speed, and −40 °C to +125 °C operation-making it optimal for industrial and automotive control where both legacy interface fidelity and extended temperature reliability are required.
Availability
MC74VHCT04ADR2 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive body control units, and legacy system upgrades requiring stable component supply and long-term lifecycle assurance.
Supply support for MC74VHCT04ADR2 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
onsemi is a global semiconductor leader delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The MC74VHCT04ADR2 belongs to the VHCT (Very High Speed CMOS TTL-compatible) logic family, designed specifically for seamless migration from bipolar TTL logic in 5 V systems while delivering CMOS power efficiency and noise immunity.
FAQ
What is the maximum operating frequency supported by the MC74VHCT04ADR2?
The MC74VHCT04ADR2 does not specify a maximum clock frequency in its datasheet because it is a combinational logic device-not a clocked element. Its usable toggle rate is determined by propagation delay and load capacitance; with a typical 8 ns tPD and 50 pF load, it supports reliable operation up to approximately 62.5 MHz in a ring oscillator configuration. For MC74VHCT04ADR2 design integration, ensure PCB trace capacitance remains below 20 pF per output to maintain timing integrity.
Is the MC74VHCT04ADR2 pin-compatible with the 74LS04?
Yes, the MC74VHCT04ADR2 is fully pin-compatible with the 74LS04 in the SOIC-14 package, sharing identical pin assignments for all six inverters, VCC, and GND. Unlike the 74LS04, the MC74VHCT04ADR2 draws significantly less quiescent current (2 µA vs. 10 mA) and provides stronger output drive (±8 mA vs. ±0.4 mA), making it a drop-in upgrade for power-sensitive or drive-limited 5 V systems.
Does the MC74VHCT04ADR2 require external pull-up resistors on its inputs?
No, the MC74VHCT04ADR2 does not require external pull-up resistors on its inputs because its input thresholds are explicitly designed to meet TTL specifications (VIL ≤ 0.8 V, VIH ≥ 2.0 V). This allows direct connection to open-collector TTL outputs or mechanical switch interfaces grounded through a series resistor-without additional biasing components. The MC74VHCT04ADR2 input leakage remains below ±1 µA across temperature.
What is the recommended decoupling for the MC74VHCT04ADR2?
A 0.1 µF X7R ceramic capacitor placed within 2 mm of the MC74VHCT04ADR2 VCC (pin 14) and GND (pin 7) is the recommended decoupling configuration. For boards with multiple MC74VHCT04ADR2 devices or high-speed switching loads, add a 4.7 µF tantalum or polymer capacitor per power rail segment. This ensures stable supply rejection during simultaneous output transitions and prevents ground bounce that could degrade MC74VHCT04ADR2 noise margins.
Can the MC74VHCT04ADR2 operate at 3.3 V supply?
No, the MC74VHCT04ADR2 is not specified for 3.3 V operation. Its absolute maximum VCC rating is 5.5 V, but the minimum recommended supply is 4.5 V to guarantee TTL-compatible input thresholds and full output drive performance. At 3.3 V, input recognition becomes unreliable (VIH specification no longer met), and output drive drops below ±2 mA. For 3.3 V systems, consider the MC74VHC04 instead-though it lacks guaranteed TTL input compatibility. Always verify MC74VHCT04ADR2 operation within its published 4.5–5.5 V range.
MC74VHCT04ADR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74VHCT
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Inverter
- Number of Circuits:
- 6
- Number of Inputs:
- 1
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 2 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 7.7ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
MC74VHCT04ADR2 FAQ
1.How can I place an order for MC74VHCT04ADR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74VHCT04ADR2 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 MC74VHCT04ADR2 reliable?
The price and inventory of MC74VHCT04ADR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74VHCT04ADR2 is usually 5 days.
3.What payment methods are accepted for MC74VHCT04ADR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74VHCT04ADR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74VHCT04ADR2?
MC74VHCT04ADR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74VHCT04ADR2 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 MC74VHCT04ADR2?
For technical support, including MC74VHCT04ADR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74VHCT04ADR2 requirements.
6.How does Aetrix verify that MC74VHCT04ADR2 is sourced from the original manufacturer or authorized distributors?
All MC74VHCT04ADR2 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 MC74VHCT04ADR2 meets industry standards.
7.What is the process for return or replacement of MC74VHCT04ADR2?
All MC74VHCT04ADR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC74VHCT04ADR2, 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 MC74VHCT04ADR2 part is unused and in its original packaging.
Return procedure for MC74VHCT04ADR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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