NXP Semiconductors 74AHC04D,112

Overview

74AHC04D,112 from Nexperia is a high-speed Si-gate CMOS hex inverter IC with six independent inverting buffers, pin-compatible with LSTTL, specified per JEDEC 7-A, operating from -40 °C to +125 °C, and featuring CMOS-level inputs (VIH = 3.85 V at VCC = 5.5 V), propagation delay as low as 3.0 ns (VCC = 5 V, CL = 15 pF), and SO14 package. It serves in digital logic level translation, clock signal inversion, and bus driving in industrial control systems.

For engineers reviewing the 74AHC04D,112 datasheet, 74AHC04D,112 pinout, 74AHC04D,112 application, or 74AHC04D,112 equivalent, key selection criteria include input voltage compatibility (CMOS-level only), guaranteed operation up to +125 °C, SO14 thermal derating (10.1 mW/K above 100 °C), and balanced tPLH/tPHL propagation delays across all six channels.

Technical Context

This device implements six independent CMOS inverter stages using silicon-gate process technology, delivering rail-to-rail output swing and symmetrical switching thresholds defined at 0.5 × VCC. Its input structure accepts voltages up to 7.0 V regardless of VCC, enabling robust interfacing with mixed-voltage subsystems.

The logic function strictly follows the truth table: input LOW → output HIGH; input HIGH → output LOW, with no internal feedback, latch-up immunity per JESD78 Class II, and ESD protection rated at >2000 V HBM and >1000 V CDM - critical for handling in automated assembly environments.

Key Specifications

Pinout & Package

74AHC04D,112 uses the SOT108-1 (SO14) plastic small outline package: 14-pin, 3.9 mm body width, 1.27 mm lead pitch, and standard JEDEC MS-012 footprint compatible with automated reflow soldering.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar hex inverter applications.

Compared with 74AHC04D,112, the 74AHCT04D,112 offers TTL input compatibility at identical speed and package, while SN74LVC04APWR provides broader supply range and stronger drive but sacrifices high-temperature reliability - making 74AHC04D,112 the optimal choice for thermally demanding CMOS-only systems.

Availability

74AHC04D,112 is available at Aetrix Electronics and suitable for industrial PLC I/O conditioning, digital bus signal inversion, and automotive body control module logic requiring stable component supply across extended temperature ranges.

Supply support for 74AHC04D,112 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

Nexperia is a global semiconductor expert focused on high-volume, high-reliability logic, analog, and MOSFET solutions, headquartered in Nijmegen, Netherlands, with manufacturing in Europe and Asia.

The 74AHC series targets industrial and automotive-adjacent applications where robustness, wide temperature operation, and pin compatibility with legacy logic are essential - designed specifically for drop-in upgrades in space-constrained, thermally aggressive environments.

FAQ

Is 74AHC04D,112 compatible with 3.3 V and 5 V logic families?

Yes. The device operates from 2.0 V to 5.5 V and features CMOS-level inputs (VIH ≥ 3.85 V at VCC = 5.5 V), making it fully compatible with both 3.3 V and 5 V logic families. Input voltage tolerance up to 7.0 V allows safe interfacing with higher-voltage sources without external protection.

What is the maximum output current per channel, and how does it vary with temperature?

The absolute maximum output current is ±25 mA per channel, but the recommended operating limit is ±8.0 mA at VCC = 4.5 V to ensure VOL ≤ 0.36 V and VOH ≥ 3.94 V. This drive capability is maintained across the full -40 °C to +125 °C range, verified in static characteristics tables.

Does 74AHC04D,112 require external decoupling capacitors?

Yes. A minimum 100 nF ceramic capacitor must be placed between VCC (pin 14) and GND (pin 7) within 10 mm of the package. This suppresses supply transients caused by simultaneous switching of multiple inverters and prevents logic glitches or increased propagation delay variation.

Can 74AHC04D,112 be used in place of 74LS04 in existing designs?

Yes - it is pin-compatible and electrically compatible with 74LS04 when operated at VCC = 5.0 V. However, unlike 74LS04, it draws only 2.0 μA typical ICC (vs. ~10 mA), eliminating heat concerns and enabling direct substitution without power supply or thermal redesign.