Nexperia USA Inc. 74HC3G16DPH

Overview

74HC3G16 from Nexperia is a triple non-inverting buffer gate in TSSOP8 (SOT505-2) package, operating from 2.0 V to 6.0 V supply, with symmetrical output impedance, balanced propagation delays (8–25 ns at VCC = 4.5–6.0 V), and -40 °C to +125 °C temperature rating. It interfaces logic-level signals in space-constrained digital subsystems requiring level translation and fanout buffering.

For engineers reviewing the 74HC3G16 datasheet, 74HC3G16 pinout, 74HC3G16 application, or 74HC3G16 equivalent, this device is selected for low-power, rail-to-rail CMOS-compatible signal conditioning where input clamp diodes enable safe interfacing to voltages exceeding VCC using current-limiting resistors.

Technical Context

The 74HC3G16 implements three independent CMOS buffer stages with identical input/output characteristics. Each channel features integrated input clamp diodes referenced to VCC and GND, enabling overvoltage-tolerant input operation when used with external series resistors.

It operates under JEDEC Standard No. 7A compliance, delivers symmetrical tPLH/tPHL and tTLH/tTHL timing (≤25 ns max at VCC = 4.5 V), and maintains stable VOH ≥ 4.13 V and VOL ≤ 0.33 V at IO = ±4.0 mA across its full operating temperature range.

Key Specifications

Pinout & Package

TSSOP8 package (SOT505-2): plastic thin shrink small outline, 8 leads, 3 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 triple buffer applications.

Compared with 74LVC3G16 and SN74LVC3G16, the 74HC3G16 uniquely supports 6 V operation and includes input clamp diodes - critical for legacy 5 V systems interfacing to higher-voltage sensors or legacy peripherals.

Availability

74HC3G16 is available at Aetrix Electronics and suitable for industrial automation, medical instrumentation, and consumer electronics requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for 74HC3G16 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 - including logic, discrete, and MOSFET devices - with manufacturing rooted in process innovation and high-volume reliability.

The 74HC3G16 belongs to Nexperia's HC-series logic family, designed for industrial-grade signal integrity, low static power, and robust operation in space-constrained, thermally demanding embedded systems.

FAQ

Can the 74HC3G16 drive a 50 pF load at 10 MHz without signal degradation?

Yes. With CPD = 10 pF and typical tpd = 9 ns at VCC = 4.5 V, the 74HC3G16 delivers clean edges into 50 pF loads at 10 MHz. Its symmetrical output impedance and low transition times (tt ≤ 6 ns typ) ensure <10% overshoot and monotonic edges under these conditions, as verified in Nexperia's test circuit Fig. 4 with CL = 50 pF and RL = 1 kΩ.

What is the maximum allowable input voltage when VCC = 3.3 V?

Per Absolute Maximum Ratings, VI may reach VCC + 0.5 V = 3.8 V continuously if input clamping current remains within ±20 mA. The internal clamp diodes conduct above this threshold, so a series current-limiting resistor (e.g., 1 kΩ for ≤0.5 V overvoltage) is required to keep IIK ≤ 20 mA and prevent damage.

Does the 74HC3G16 support hot insertion or live board swapping?

No. While input clamp diodes improve robustness, the device lacks powered-off protection circuitry (e.g., Ioff). Applying voltage to inputs while VCC = 0 V can forward-bias internal parasitic structures, risking latch-up or increased leakage. Always power VCC before applying input signals during hot-swap scenarios.

How does the 74HC3G16 behave when VCC is ramped slowly during power-up?

It exhibits guaranteed power-on reset behavior: outputs remain in high-impedance until VCC exceeds 1.5 V (VIH min at VCC = 2.0 V), then follow inputs after tpd. No undefined states occur because the HC-series design avoids metastability during slow ramps, and inputs are sampled only after internal bias networks stabilize above ~1.2 V.