Nexperia USA Inc. 74HC151D-Q100,118

Overview

74HC151D-Q100 from Nexperia is an automotive-grade 8-input digital multiplexer with complementary outputs (Y and Y), three binary select inputs (S0–S2), one active-low enable input (E), and CMOS-level input compatibility. It operates across 2.0 V to 6.0 V supply, supports -40 °C to +125 °C ambient range, and delivers propagation delays as low as 12 ns at 6.0 V - used for signal routing in engine control units and ADAS sensor interface logic.

For engineers reviewing the 74HC151D-Q100 datasheet, 74HC151D-Q100 pinout, 74HC151D-Q100 application, or 74HC151D-Q100 equivalent, this device serves as a high-noise-immunity, AEC-Q100 Grade 1–qualified data selector in safety-critical automotive subsystems where deterministic timing, rail-to-rail output swing, and latch-up robustness (>100 mA) are required.

Technical Context

The 74HC151D-Q100 implements a standard 3-to-8 binary decoder-driven analog switch matrix, selecting one of eight data inputs (I0–I7) onto complementary outputs based on S0–S2 state while E remains LOW. Its CMOS architecture ensures symmetrical rise/fall times (6–19 ns) and low static current (<160 μA at 125 °C).

All inputs feature integrated clamp diodes enabling safe interfacing to voltages exceeding VCC when used with external current-limiting resistors. Output drive strength is specified at ±4.0 mA (VOH/VOL) under 4.5 V supply, supporting direct connection to downstream 74HC/74HCT logic without level-shifting.

Key Specifications

Pinout & Package

74HC151D-Q100 uses the SO16 (SOT109-1) package: plastic small outline, 16 leads, 3.9 mm body width, with gull-wing leads and standard JEDEC MS-012 footprint.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-input multiplexer applications.

Compared with 74HCT151D-Q100 and SN74LV151AQPWRQ1, the 74HC151D-Q100 uniquely balances wide supply flexibility (2.0–6.0 V), complementary outputs, and proven latch-up immunity - making it optimal for heterogeneous automotive voltage domains requiring both Y and Y signals without added components.

Availability

74HC151D-Q100 is available at Aetrix Electronics and suitable for engine control units, advanced driver assistance systems, and body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74HC151D-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, reliable logic, discrete, and MOSFET solutions optimized for automotive, industrial, and consumer applications.

The 74HC151D-Q100 belongs to Nexperia's automotive-qualified HC logic family, designed specifically for robust signal routing in harsh-environment electronic control units where AEC-Q100 compliance, wide voltage operation, and noise resilience are mandatory.

FAQ

What is the maximum clock frequency supported by the 74HC151D-Q100?

The 74HC151D-Q100 does not operate on a clock; it is a combinational logic device with propagation delay dependent on supply voltage and load. At VCC = 6.0 V and CL = 50 pF, maximum toggle rate is ~20 MHz based on worst-case tpd (43 ns) and transition time (19 ns), assuming clean input edges and proper decoupling.

Can the 74HC151D-Q100 interface directly with 3.3 V microcontrollers?

Yes - its CMOS inputs accept VIH ≥ 3.15 V and VIL ≤ 1.35 V at VCC = 4.5 V, and it operates down to 2.0 V supply. When powered at 3.3 V, VIH(min) = 2.31 V and VIL(max) = 1.32 V, fully compatible with standard 3.3 V logic thresholds and ensuring noise margins >0.5 V.

Is the enable input (E) internally pulled up or down?

No - the E input has no internal pull-up or pull-down resistor. It is a standard CMOS input requiring explicit biasing: connect to GND via switch or microcontroller GPIO to enable function, or to VCC to force outputs inactive (Y = LOW, Y = HIGH). External pull-down is recommended for fail-safe default disable.

Does the SO16 package (SOT109-1) support automated optical inspection (AOI)?

No - only the DHVQFN16 (SOT763-1) variant features Side-Wettable Flanks for AOI. The SO16 package requires X-ray or electrical test for solder joint verification. However, its gull-wing leads provide excellent process yield in reflow soldering and are widely supported by automotive assembly lines.