Nexperia USA Inc. 74HC08D,653

Overview

74HC08D,653 from Nexperia is a quad 2-input AND gate in SO14 (SOT108-1) package, operating from 2.0 V to 6.0 V supply, with CMOS-level inputs, 14 ns typical propagation delay at 4.5 V, and guaranteed operation from –40 °C to +125 °C. It integrates input clamp diodes enabling safe interfacing to voltages exceeding VCC using current-limiting resistors, and is used in digital logic control, signal gating, and bus enable functions in industrial microcontroller peripherals.

For engineers reviewing the 74HC08D,653 datasheet, 74HC08D,653 pinout, 74HC08D,653 application, or 74HC08D,653 equivalent, key selection criteria include supply voltage range compatibility (2.0–6.0 V), TTL/CMOS input level matching, propagation delay budget (<27 ns over full temperature range), and SO14 package thermal and board-space constraints.

Technical Context

This device implements four independent 2-input AND logic gates in a single monolithic CMOS silicon die. Each gate follows standard Boolean AND truth table behavior with high noise immunity and rail-to-rail output swing. Input clamp diodes allow overvoltage-tolerant interfacing without external protection components.

It supports dual logic families: 74HC08D uses CMOS-compatible input thresholds (VIH ≥ 3.15 V at VCC = 4.5 V), while its 74HCT08D variant accepts TTL-level inputs (VIH ≥ 2.0 V). Both share identical pinout, package, and output drive capability (±4 mA at VCC = 4.5 V).

Key Specifications

Pinout & Package

74HC08D,653 is housed in a plastic small outline package (SO14, SOT108-1) with 14 leads, 3.9 mm body width, and gull-wing lead form suitable for surface-mount reflow assembly.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad 2-input AND gate applications.

Compared with 74HC08D,653, the 74HCT08D,653 offers lower input threshold compatibility at the cost of reduced noise margin, while SN74HC08DR requires mechanical verification for solder joint reliability and thermal performance in high-power-density layouts.

Availability

74HC08D,653 is available at Aetrix Electronics and suitable for industrial PLC logic gating, microcontroller bus enable control, and digital sensor interface conditioning requiring stable component supply across extended temperature ranges.

Supply support for 74HC08D,653 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 logic, discrete, and MOSFET solutions optimized for efficiency, reliability, and manufacturability in high-volume applications.

The 74HC08 series belongs to Nexperia's standard logic portfolio, designed specifically for robust, low-power digital signal routing and combinatorial logic in industrial, consumer, and computing systems.

FAQ

Can 74HC08D,653 operate reliably at 3.3 V supply?

Yes. The device is fully specified from 2.0 V to 6.0 V, with VIH = 1.5 V min (at VCC = 2.0 V) and VOH ≥ 2.4 V (at VCC = 3.3 V, IO = –4 mA), ensuring interoperability with 3.3 V LVTTL and LVCMOS systems without level shifters.

What is the maximum capacitive load this device can drive?

At VCC = 4.5 V and Tamb = 25 °C, the output can drive up to 50 pF load capacitance while maintaining tpd ≤ 18 ns and tt ≤ 15 ns. For heavier loads (>75 pF), propagation delay increases linearly; design margin requires verifying timing closure with actual PCB trace and receiver input capacitance.

Does this part require external pull-up or pull-down resistors on unused inputs?

No. Unused inputs must be tied to VCC or GND to prevent floating states and increased ICC. Internal input structure does not include weak pull-ups; leaving inputs unconnected causes undefined logic states and elevated power consumption due to partial conduction in input CMOS stages.

Is 74HC08D,653 pin-compatible with older 74LS08 variants?

No. While both are quad 2-input AND gates in 14-pin packages, 74HC08D,653 uses CMOS technology with different DC characteristics (e.g., VIH = 3.15 V min at VCC = 4.5 V vs. 74LS08's VIH = 2.0 V), higher output impedance, and no built-in current limiting - direct replacement requires validation of fan-out, noise margin, and timing.