Nexperia USA Inc. 74AHCT00D-Q100J

Overview

74AHCT00D-Q100 from Nexperia is an automotive-qualified quad 2-input NAND gate in SO14 (SOT108-1) package, operating from -40 °C to +125 °C with TTL-compatible inputs, 4.5–5.5 V supply range, and 3.3–9.0 ns propagation delay at 5 V/50 pF load. It features overvoltage-tolerant inputs up to 5.5 V, Schmitt-trigger inputs for noise immunity, and AEC-Q100 Grade 1 qualification for engine control and body electronics.

For engineers reviewing the 74AHCT00D-Q100 datasheet, 74AHCT00D-Q100 pinout, 74AHCT00D-Q100 application, or 74AHCT00D-Q100 equivalent, key selection criteria include TTL-level input compatibility, automotive temperature range compliance, SO14 package footprint, propagation delay vs. load capacitance, and output drive capability (±8 mA at V_CC = 4.5 V).

Technical Context

This device implements four independent 2-input NAND logic functions with identical electrical behavior across all gates. Input thresholds are fixed at TTL levels (V_IL ≤ 0.8 V, V_IH ≥ 2.0 V), enabling direct interfacing with legacy 5 V TTL systems while powered from 4.5–5.5 V supplies. All inputs include Schmitt-trigger action for hysteresis-based noise rejection.

Propagation delays are characterized under controlled load conditions (15 pF and 50 pF), with t_pd = 3.3–9.0 ns depending on V_CC and C_L. Output stages deliver symmetrical ±8 mA drive strength at V_CC = 4.5 V, supporting fan-out to standard TTL loads without level-shifting circuitry.

Key Specifications

Pinout & Package

74AHCT00D-Q100 uses the SO14 (SOT108-1) plastic small outline package: 14-pin, 3.9 mm body width, 1.27 mm lead pitch, gull-wing leads. Package meets JEDEC MS-012 and is RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad NAND gate applications.

Compared with 74AHCT00D-Q100, the PW variant offers smaller footprint but tighter assembly tolerances, while the BQ variant delivers best-in-class thermal performance and process traceability-both retain identical logic behavior, AEC-Q100 Grade 1 rating, and TTL input compatibility.

Availability

74AHCT00D-Q100 is available at Aetrix Electronics and suitable for engine control units, body control modules, instrument clusters, and ADAS camera subsystems requiring stable component supply across automotive production lifecycles.

Supply support for 74AHCT00D-Q100 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 essential efficiency-enhancing components, delivering high-performance logic, discrete, and MOSFET solutions for automotive, industrial, and consumer markets.

74AHCT00D-Q100 belongs to Nexperia's automotive-qualified logic family, engineered specifically for robust digital signal conditioning in harsh automotive environments with emphasis on noise immunity, voltage translation, and long-term reliability.

FAQ

What is the maximum input voltage the 74AHCT00D-Q100 can tolerate?

The 74AHCT00D-Q100 features overvoltage-tolerant inputs rated up to 5.5 V regardless of V_CC level. This allows safe interfacing with 5 V signals even when V_CC is below 5 V, preventing damage during partial-power states or bus contention scenarios in automotive networks.

Does this device support mixed-voltage system interfacing?

Yes - its TTL-compatible input thresholds (V_IL ≤ 0.8 V, V_IH ≥ 2.0 V) and overvoltage-tolerant inputs enable direct connection between 3.3 V microcontrollers and 5 V sensor outputs without external level shifters, simplifying design in multi-rail automotive subsystems.

How does the Schmitt-trigger input improve noise immunity?

Each input incorporates Schmitt-trigger action with ~0.4 V hysteresis, meaning the rising and falling input thresholds differ significantly. This prevents multiple output transitions caused by slow-rising or noisy signals - critical for reliable operation on long wiring harnesses exposed to engine compartment EMI.

Is the SO14 package suitable for reflow soldering in automotive production?

Yes - the SOT108-1 (SO14) package is qualified for standard lead-free reflow profiles per J-STD-020. Its gull-wing leads provide mechanical stability and visual solder-joint inspection capability, making it widely adopted in automotive PCB assembly lines for cost-effective, high-yield manufacturing.