Nexperia USA Inc. 74AHCT1G02GW-Q100H

Overview

74AHCT1G02GW-Q100 from Nexperia is a single 2-input NOR gate IC qualified to AEC-Q100 Grade 1 for automotive use, operating from −40 °C to +125 °C with TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max at VCC = 4.5–5.5 V), 5.5 V supply tolerance, and overvoltage-tolerant inputs up to 5.5 V - enabling mixed-voltage logic interfacing in body control modules and ADAS sensor interfaces.

For engineers reviewing the 74AHCT1G02GW-Q100 datasheet, 74AHCT1G02GW-Q100 pinout, 74AHCT1G02GW-Q100 application, or 74AHCT1G02GW-Q100 equivalent, this device supports high-noise-immunity digital signal conditioning in automotive powertrain and chassis subsystems where precise timing, low propagation delay (≤7.0 ns at 5 V/50 pF), and latch-up robustness (>100 mA) are required.

Technical Context

This device implements a standard 2-input NOR Boolean function with symmetrical output impedance and balanced propagation delays (tPLH ≈ tPHL). Its TTL-level input compatibility enables direct interfacing with legacy 5 V microcontrollers and sensors without level-shifting circuitry.

It features overvoltage-tolerant inputs rated to 5.5 V independent of VCC, allowing safe operation when driven by higher-voltage sources in mixed-rail systems. Static and dynamic characteristics are fully specified across −40 °C to +125 °C, with CPD = 19 pF enabling accurate dynamic power estimation.

Key Specifications

Pinout & Package

TSSOP5 (SOT353-1) package: plastic thin shrink small outline, 5-lead, 1.25 mm body width, 0.65 mm lead pitch, exposed pad not present.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 2-input NOR gate applications.

Compared with 74AHCT1G02GV-Q100, the GW variant offers superior board-space efficiency in TSSOP5; compared with SN74LVC1G02QDRYRQ1, it provides critical overvoltage tolerance for mixed 5 V/3.3 V sensor interfacing but requires strict adherence to 4.5–5.5 V supply.

Availability

74AHCT1G02GW-Q100 is available at Aetrix Electronics and suitable for automotive body electronics, ADAS sensor fusion, powertrain diagnostics, and chassis control systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74AHCT1G02GW-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 delivering high-performance, high-reliability logic, discrete, and MOSFET solutions optimized for automotive, industrial, and consumer applications.

This device belongs to Nexperia's AEC-Q100-qualified 74AHCT logic family, engineered specifically for robust, low-latency combinational logic in automotive electronic control units where signal integrity, thermal resilience, and long-term supply stability are mandatory.

FAQ

What is the maximum allowable input voltage relative to VCC?

The 74AHCT1G02GW-Q100 features overvoltage-tolerant inputs rated to 5.5 V absolute maximum, independent of VCC level. This means inputs may safely accept 5.5 V signals even when VCC = 4.5 V, eliminating external protection components in mixed-voltage interfaces such as 5 V sensor to 4.5 V MCU connections.

Does this device support 3.3 V operation?

No - the 74AHCT1G02GW-Q100 is specified only for VCC = 4.5 V to 5.5 V. Its TTL-compatible input thresholds (VIH ≥ 2.0 V) are optimized for 5 V systems; operation below 4.5 V violates recommended conditions and risks unreliable logic recognition. For 3.3 V domains, consider the 74AHC1G02GW-Q100 variant or LVC-family alternatives.

How is the pin 1 indicator physically marked on the TSSOP5 package?

Per datasheet Figure 6 and Table 2, pin 1 is located in the lower-left corner of the device body, directly below the marking code "CB" (for 74AHCT1G02GW-Q100). It is identified by a recessed dot or beveled edge on the package mold, aligned with the terminal row containing pins 1–3, and confirmed by the chamfered corner of the TSSOP5 body.

What is the thermal derating behavior for power dissipation?

For the TSSOP5 (SOT353-1) package, total power dissipation (Ptot) derates linearly at 3.3 mW/K above 74 °C ambient. At 125 °C, maximum allowed Ptot drops to approximately 83 mW from the 250 mW rating at 25 °C. This derating is defined in Table 8 footnote [2] and must be applied in thermal design for under-hood applications.