Nexperia USA Inc. 74LVC1G34GS,132

Overview

74LVC1G34GS,132 from Nexperia is a single non-inverting CMOS buffer with Schmitt-trigger inputs, designed for level translation between 1.65 V–5.5 V logic domains in mixed-voltage systems. It delivers ±24 mA output drive at 3.0 V, supports IOFF partial power-down mode to block backflow current during system sleep, and operates across –40 °C to +125 °C. Used in I²C bus buffering, sensor interface signal conditioning, and low-power microcontroller GPIO expansion.

For engineers reviewing the 74LVC1G34GS,132 datasheet, 74LVC1G34GS,132 pinout, 74LVC1G34GS,132 application, or 74LVC1G34GS,132 equivalent, this device is selected for robust noise immunity in noisy industrial control lines, precise timing-critical signal fanout in portable electronics, and reliable voltage-level bridging in automotive body-control modules where supply rail sequencing occurs.

Technical Context

The 74LVC1G34GS,132 implements a single unidirectional buffer function with hysteresis-enabled Schmitt-trigger inputs (VIH = 0.7×VCC min at 4.5–5.5 V; VIL = 0.3×VCC max), enabling clean edge detection on slow-rising signals like reset lines or mechanical switch debouncing. Its IOFF circuit actively disables outputs when VCC = 0 V, limiting leakage to ±2 μA and preventing current backflow into powered subsystems.

It complies with JEDEC standards JESD8-7 (1.65–1.95 V), JESD8-5 (2.3–2.7 V), JESD8C (2.7–3.6 V), and JESD36 (4.5–5.5 V), ensuring interoperability with legacy TTL and modern low-voltage logic families. Propagation delay is 1.6 ns typical (VCC = 5.0 V) and 2.0 ns typical (VCC = 3.3 V), with input capacitance of 4 pF and power dissipation capacitance CPD = 15 pF.

Key Specifications

Pinout & Package

XSON6 package (SOT1202): ultra-thin 1.0 mm × 1.0 mm × 0.35 mm body, no leads, six copper terminals, side-wettable flanks not present (distinct from SOT8065-1). Designed for high-density PCB layouts and automated optical inspection (AOI) compatibility.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar single-buffer applications.

Compared with SN74LVC1G34DBVR, the 74LVC1G34GS,132 offers superior thermal performance and smaller footprint for volume production; versus 74AUP1G34GW,125, it trades ultra-low static power for essential IOFF safety and 5 V interoperability in mixed-rail systems.

Availability

74LVC1G34GS,132 is available at Aetrix Electronics and suitable for industrial sensor interface, automotive body control, I²C bus extension, and portable electronics GPIO expansion requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74LVC1G34GS,132 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 high-volume, high-reliability logic, discrete, and MOSFET solutions, serving automotive, industrial, and consumer markets with ISO/TS 16949-certified manufacturing.

The 74LVC1G34 belongs to Nexperia's LVC (Low-Voltage CMOS) logic family, engineered for robust mixed-voltage interfacing, low dynamic power, and seamless integration into space- and power-constrained embedded systems.

FAQ

Can the 74LVC1G34GS,132 be used with 5 V inputs while powered from 1.8 V?

Yes. Its inputs are overvoltage tolerant up to 5.5 V independent of VCC, allowing safe 5 V signal reception even when VCC = 1.65 V. This enables direct connection to legacy 5 V peripherals without external level-shifting components or clamping diodes.

What is the maximum capacitive load the output can drive while maintaining specified propagation delay?

The datasheet specifies t_pd with 30–50 pF load. At 3.3 V VCC, the output maintains ≤4.1 ns max delay up to 50 pF. For loads >50 pF, delay increases linearly (~0.02 ns/pF), and output rise/fall times degrade; use series termination or reduce trace length if driving >100 pF.

Does the IOFF feature require external control signals or enable pins?

No. IOFF is fully automatic and requires no external control. When VCC drops to 0 V, internal circuitry detects the undervoltage condition and disables the output driver, limiting leakage to ±2 μA regardless of input or output voltage states.

How does the Schmitt-trigger input improve noise immunity compared to standard CMOS inputs?

It provides ~0.3 V hysteresis (e.g., VIH ≈ 2.3 V, VIL ≈ 2.0 V at VCC = 3.3 V), meaning noise spikes <300 mV cannot cause false triggering. This eliminates multiple transitions on slow edges from EMI or crosstalk, critical for reset, interrupt, or enable signals in electrically noisy environments.