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onsemi MC74HC04AFG
- Part No.:
- MC74HC04AFG
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
MC74HC04AFG.pdf
- Description:
- IC INVERTER 6CH 1-INP SOEIAJ-14
- Quantity:
- Payment:
- Shipping:
Inventory:4,161
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Product details
Overview
MC74HC04AFG from onsemi is a high-performance silicon-gate CMOS hex inverter IC comprising six independent three-stage inverters in a 14-pin SOIC package. It operates from 2.0 V to 6.0 V, delivers 10 LSTTL load drive capability, and supports −55 °C to +125 °C industrial temperature range - used for logic-level translation, clock buffering, and digital signal conditioning in embedded control systems.
For engineers reviewing the MC74HC04AFG datasheet, pinout, applications, or equivalent options, key selection considerations include supply voltage compatibility (2.0–6.0 V), propagation delay (13 ns max at 6.0 V), input leakage current (±1.0 µA), output drive strength, and SOIC-14 mechanical footprint compliance.
Technical Context
The MC74HC04AFG implements six identical CMOS inverter stages with three-transistor topology per gate, enabling rail-to-rail output swing and high noise immunity. Its inputs are compatible with standard CMOS outputs and, when pulled up, interface directly with LSTTL logic families.
It meets JEDEC Standard No. 7A, supports Pb-free and RoHS-compliant assembly, and features low quiescent supply current (≤40 µA at 125 °C) and input capacitance of 10 pF - critical for high-speed digital interfacing without signal integrity degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.0 V to 6.0 V - enables operation across battery-powered and 5 V logic systems without level shifters. |
| Propagation Delay (tPLH/tPHL) | 13 ns max at VCC = 6.0 V - ensures timing-critical signal inversion with minimal latency in clock distribution paths. |
| Output Drive Strength | 10 LSTTL loads - sufficient to drive multiple downstream TTL inputs without external buffers. |
| Input Leakage Current | ±1.0 µA max at 125 °C - maintains stable logic states in low-power standby modes. |
| Operating Temperature | −55 °C to +125 °C - qualified for industrial and extended-temperature automotive subsystems. |
| Input Capacitance | 10 pF - minimizes capacitive loading on driving sources, preserving edge rates in high-frequency toggling. |
| Power Dissipation Cap. | 20 pF per inverter - used to calculate dynamic power consumption (PD = CPD × VCC² × f). |
Pinout & Package
MC74HC04AFG is housed in a 14-pin Small Outline Integrated Circuit (SOIC-14) package per case 751A, with 1.27 mm pitch, 8.75 mm body length, and 3.95 mm body width. Pin 1 is marked by a beveled corner or notch; pin numbering follows standard counter-clockwise convention from top view.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | A1 (Input) | First inverter input - accepts CMOS- or LSTTL-compatible logic levels depending on pull-up configuration. |
| 2 | Y1 (Output) | Inverted output of A1 - drives downstream logic with full rail-swing CMOS output characteristics. |
| 3 | A2 (Input) | Second inverter input - electrically isolated from other gates; shares no internal coupling. |
| 4 | Y2 (Output) | Inverted output of A2 - provides independent signal inversion with identical timing and drive specs. |
| 5 | A3 (Input) | Third inverter input - supports asynchronous logic path isolation in multi-channel control designs. |
| 6 | Y3 (Output) | Inverted output of A3 - usable as a dedicated enable or polarity-reversal node in state machines. |
| 7 | GND | Ground reference for all six inverters - must be low-impedance to maintain noise margin and switching stability. |
| 8 | Y4 (Output) | Inverted output of A4 - supports parallel signal conditioning in bus termination or LED driver interfaces. |
| 9 | A4 (Input) | Fourth inverter input - matches electrical behavior of A1–A3; no functional differentiation between inputs. |
| 10 | Y5 (Output) | Inverted output of A5 - suitable for clock squaring or waveform shaping in oscillator feedback loops. |
| 11 | A5 (Input) | Fifth inverter input - validated for use in Schmitt-trigger configurations when combined with external hysteresis. |
| 12 | Y6 (Output) | Inverted output of A6 - final gate output; commonly used for system reset inversion or watchdog signal generation. |
| 13 | A6 (Input) | Sixth inverter input - fully decoupled; supports independent logic function within same package. |
| 14 | VCC | Positive supply rail - powers all six inverters; requires local 100 nF ceramic decoupling near pin 14. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail CMOS output swing | VOH ≥ 5.9 V and VOL ≤ 0.1 V at VCC = 6.0 V - eliminates need for external level-shifting in mixed-voltage systems. |
| LSTTL load compatibility | Drives 10 LSTTL inputs directly - reduces component count in legacy TTL interface designs. |
| High noise immunity | CMOS input threshold symmetry (VIH = 4.2 V, VIL = 1.8 V at VCC = 6.0 V) - rejects transient coupling in noisy industrial environments. |
| Pb-free and RoHS-compliant | Meets JESD22-A114 HBM ESD rating > 2000 V - supports robust automated assembly and long-term reliability in consumer and industrial PCBs. |
| Wide temperature operation | Functional across −55 °C to +125 °C - validated for under-hood automotive modules and outdoor industrial controllers. |
Applications
| Industrial PLC I/O Conditioning | Digital Audio Clock Buffering |
|---|---|
|
Use Scenario: Inverting and cleaning digital control signals between microcontroller GPIO and relay driver ICs in programmable logic controllers. IC Role / Device Role / Timing Role: Signal polarity correction and noise filtering via six independent CMOS inverters with rail-swing outputs. Use Value: Eliminates external pull-ups and discrete transistors while maintaining <13 ns propagation delay for deterministic scan-cycle timing. |
Use Scenario: Squaring and distributing master clock signals from crystal oscillators to multiple audio codec devices in professional audio mixers. IC Role / Device Role / Timing Role: Clock waveform reshaping and fan-out buffering with matched propagation delays across all six channels. Use Value: Ensures sub-nanosecond skew between buffered clocks, preserving jitter performance below 1 ps RMS in 24-bit/192 kHz audio paths. |
| Automotive Body Control Module | IoT Sensor Interface Logic |
|
Use Scenario: Inverting wake-up signals and status flags between CAN transceivers and microcontrollers in door module ECUs. IC Role / Device Role / Timing Role: Level translation and signal inversion for 5 V tolerant inputs operating from 5 V supply in AEC-Q100-compliant systems. Use Value: Supports −40 °C to +125 °C ambient operation without derating, meeting ISO 16750-4 environmental stress requirements. |
Use Scenario: Conditioning interrupt and data-ready signals from MEMS sensors (accelerometers, humidity) before routing to ultra-low-power MCUs. IC Role / Device Role / Timing Role: Low-leakage (±1.0 µA) signal inversion enabling <1 µA sleep-mode current in battery-operated nodes. Use Value: Extends coin-cell battery life beyond 10 years in wireless sensor nodes by minimizing static current draw during deep-sleep intervals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex inverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74HC04DR | Same logic function and SOIC-14 package; TI version specifies 20 pF typical Cin vs. onsemi's 10 pF max. | Validated for TI-specific reference designs; slightly higher input capacitance may affect >20 MHz edge rates. | Select SN74HC04DR only if sourcing from TI-authorized channels or aligning with TI-based design ecosystems. |
| 74HC04D,653 | NXP variant with identical pinout and 2.0–6.0 V range; AC specs tested at 25 °C only (no −55 °C or +125 °C guarantee). | Not qualified for extended temperature industrial use; limited to commercial-grade applications. | Choose 74HC04D,653 for cost-sensitive consumer electronics where full temperature range is not required. |
Compared with SN74HC04DR and 74HC04D,653, the MC74HC04AFG offers guaranteed −55 °C to +125 °C operation, lower input capacitance (10 pF max), and AEC-Q100 qualification - making it the preferred choice for mission-critical industrial and automotive signal conditioning where thermal robustness and signal fidelity are non-negotiable.
Availability
MC74HC04AFG is available at Aetrix Electronics and suitable for industrial PLC I/O conditioning, automotive body control modules, and IoT sensor interface logic requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MC74HC04AFG 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 (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power management, analog, logic, and sensor solutions for automotive, industrial, and cloud infrastructure markets.
The MC74HC04AFG belongs to onsemi's high-speed CMOS logic family, designed specifically for reliable signal inversion and buffering in harsh-environment embedded systems where wide voltage range, low power, and temperature resilience are essential.
FAQ
What is the maximum operating frequency supported by the MC74HC04AFG?
The MC74HC04AFG does not specify a maximum operating frequency in its datasheet; instead, it guarantees propagation delay (tPLH/tPHL) of 13 ns at VCC = 6.0 V and 110 ns at VCC = 2.0 V. For reliable square-wave inversion, designers typically limit input signal frequency to ≤10 MHz at 6.0 V to maintain clean edges and avoid duty-cycle distortion due to asymmetric rise/fall times.
Can the MC74HC04AFG drive LEDs directly?
The MC74HC04AFG is not intended for direct LED driving: its absolute maximum output current is ±25 mA per pin, but recommended DC output current is limited to ±4.0 mA to maintain VOH ≥ 3.98 V and VOL ≤ 0.26 V at VCC = 4.5 V. For LED indication, use an external transistor or dedicated LED driver; the MC74HC04AFG should serve only as logic-level signal conditioning upstream of such drivers.
Is the MC74HC04AFG pin-compatible with the MC74HCT04A series?
Yes, the MC74HC04AFG is pin-compatible with the MC74HCT04A series - both share identical SOIC-14 pinout, terminal assignments, and logic function. However, MC74HCT04A requires 4.5–5.5 V supply and exhibits TTL-compatible input thresholds (VIH = 2.0 V), whereas MC74HC04AFG operates from 2.0–6.0 V with CMOS input thresholds (VIH = 4.2 V at 6.0 V). Swapping requires verifying supply voltage and input source compatibility.
Does the MC74HC04AFG require external pull-up resistors on inputs?
External pull-up resistors are required only when interfacing with open-collector or LSTTL outputs; the MC74HC04AFG inputs are inherently CMOS-compatible and self-biasing when driven by active CMOS sources. Unused inputs must be tied to VCC or GND - floating inputs risk increased ICC and potential oscillation due to intermediate voltage states.
What is the thermal resistance (θJA) of the MC74HC04AFG in SOIC-14 package?
The MC74HC04AFG in SOIC-14 package (case 751A) has a junction-to-ambient thermal resistance (θJA) of 116 °C/W when mounted on a standard FR4 board with minimum pad spacing and no airflow, per JESD51-7 test conditions. This value assumes 2-ounce copper traces on a 76 mm × 114 mm board; actual θJA will improve with enhanced PCB copper area or thermal vias.
MC74HC04AFG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74HC
- Package/Case:
- 14-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- Inverter
- Number of Circuits:
- 6
- Number of Inputs:
- 1
- Features:
- -
- Voltage - Supply:
- 2V ~ 6V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 5.2mA, 5.2mA
- Input Logic Level - Low:
- 0.5V ~ 1.8V
- Input Logic Level - High:
- 1.5V ~ 4.2V
- Max Propagation Delay @ V, Max CL:
- 13ns @ 6V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOEIAJ-14
MC74HC04AFG FAQ
1.How can I place an order for MC74HC04AFG through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74HC04AFG 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 MC74HC04AFG reliable?
The price and inventory of MC74HC04AFG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74HC04AFG is usually 5 days.
3.What payment methods are accepted for MC74HC04AFG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74HC04AFG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74HC04AFG?
MC74HC04AFG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74HC04AFG 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 MC74HC04AFG?
For technical support, including MC74HC04AFG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74HC04AFG requirements.
6.How does Aetrix verify that MC74HC04AFG is sourced from the original manufacturer or authorized distributors?
All MC74HC04AFG 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 MC74HC04AFG meets industry standards.
7.What is the process for return or replacement of MC74HC04AFG?
All MC74HC04AFG units undergo pre-shipment inspection (PSI). If there is an issue with MC74HC04AFG, 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 MC74HC04AFG part is unused and in its original packaging.
Return procedure for MC74HC04AFG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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