Nexperia USA Inc. 74HC3G14DC-Q100H

Overview

74HC3G14DC-Q100 from Nexperia is a triple inverting Schmitt trigger IC qualified to AEC-Q100 Grade 1 for automotive use, operating from -40 °C to +125 °C with 2.0–6.0 V supply range and CMOS-level inputs. It provides noise-immune signal conditioning via hysteresis (e.g., 1.40 V typical VH at VCC = 4.5 V), supports unlimited input rise/fall times, and delivers jitter-free digital outputs for edge-sensitive timing circuits.

For engineers reviewing the 74HC3G14DC-Q100 datasheet, 74HC3G14DC-Q100 pinout, 74HC3G14DC-Q100 application, or 74HC3G14DC-Q100 equivalent, key selection criteria include Schmitt-trigger hysteresis voltage, propagation delay (16 ns typ. at 4.5 V), VSSOP8 package footprint, automotive temperature compliance, and input clamping diode support for overvoltage-tolerant interfacing.

Technical Context

This device integrates three independent inverting Schmitt triggers in a single VSSOP8 package, each featuring input clamp diodes enabling current-limited interface to signals exceeding VCC. Its transfer characteristics are defined by dual thresholds (VT+ and VT−) - e.g., 2.60 V and 1.47 V respectively at 4.5 V - yielding 1.13 V hysteresis to reject noise on slow-rising signals.

The logic function is strictly inverting: a low input produces a high output and vice versa, per Table 4. Static drive capability includes ±4.0 mA output current at 4.5 V, while dynamic performance is characterized by 16 ns typical propagation delay and 7 ns typical transition time under standard load conditions.

Key Specifications

Pinout & Package

VSSOP8 plastic very thin shrink small outline package (SOT765-1); 8 leads; body width 2.3 mm; pin 1 indicator located below marking code in lower-left corner.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schmitt-trigger inverter applications.

Compared with 74HC3G14DC-Q100, the 74HCT3G14DC-Q100 offers TTL input compatibility at the cost of marginally slower switching, while the SN74LVC1G14DBVR trades channel count and automotive qualification for compactness and lower voltage operation - making the original part optimal for triple-channel, Grade 1-compliant applications.

Availability

74HC3G14DC-Q100 is available at Aetrix Electronics and suitable for automotive engine control units, body electronics modules, ADAS sensor interfaces, and infotainment subsystems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74HC3G14DC-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 leading global semiconductor expert delivering high-performance, reliable, and efficient logic, analog, and discrete components for automotive, industrial, and consumer markets.

This device belongs to Nexperia's automotive-qualified HC/HCT logic family, designed specifically for noise-prone vehicle subsystems requiring robust signal integrity, extended temperature operation, and AEC-Q100 compliance without design-in risk.

FAQ

What is the maximum allowable supply voltage for continuous operation?

The absolute maximum supply voltage is +7.0 V, but recommended continuous operation is limited to 6.0 V per Table 6. Exceeding 6.0 V risks accelerated parametric drift and reduced reliability, especially at high temperature. Operation at 7.0 V is permitted only transiently (e.g., during load dump events) and must remain within the 20 ms limit specified in IEC 60134.

Can this device interface directly with a 12 V sensor output?

Yes - the integrated input clamp diodes allow safe interfacing with voltages exceeding VCC. Use a series current-limiting resistor (e.g., 10 kΩ for 12 V → 5 V) to restrict IIK to ≤±20 mA per Table 5. This configuration is validated in automotive applications such as throttle position sensor signal conditioning.

How does hysteresis improve performance in noisy environments?

Hysteresis creates distinct upper (VT+) and lower (VT−) switching thresholds - e.g., 2.60 V and 1.47 V at 4.5 V - so noise spikes smaller than their difference (1.13 V) cannot cause unintended output toggling. This prevents false triggering from EMI in alternator proximity or ignition systems.

Is the VSSOP8 package compatible with standard TSSOP8 footprints?

No - the VSSOP8 (SOT765-1) has 2.3 mm body width and 0.5 mm lead pitch, whereas TSSOP8 (SOT505-2) is 3.0 mm wide. Layouts must use the exact SOT765-1 footprint; mixing packages causes solder bridging or open connections. The pinout is identical, but mechanical fit is not interchangeable.