Texas Instruments SN74LVC2G100PWRQ1

Overview

SN74LVC2G100PWRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive dual configurable multiple-function gate with integrated D-type flip-flops and Schmitt-trigger inputs. It operates from 1.1V to 3.6V, supports 5.5V-tolerant inputs, delivers ≤33ns propagation delay at 1.8V, and implements 16 combinational logic patterns (MUX, AND, OR, NAND, NOR, inverter, non-inverter) per channel for flexible signal conditioning in power sequencing and enable control circuits.

For engineers reviewing the SN74LVC2G100PWRQ1 datasheet, SN74LVC2G100PWRQ1 pinout, SN74LVC2G100PWRQ1 application, or SN74LVC2G100PWRQ1 equivalent, this device serves as a reconfigurable sequential logic building block for automotive MCU interface, power-good arbitration, and digital signal enablement where noise immunity, wide VCC range, and dual-channel independent operation are required.

Technical Context

The SN74LVC2G100PWRQ1 integrates two independent channels, each comprising a 4-input configurable logic block (CLB) with Schmitt-trigger inputs followed by a rising-edge-triggered D-flip-flop. Each CLB maps 4-bit input combinations (DAx–DDx) to a combinatorial output Y, which feeds the D input of its associated flip-flop; Q updates on CLK↑. The device supports latch-up immunity >250mA and HBM ESD ≥2000V.

Its Schmitt-trigger inputs provide hysteresis (ΔVT = 0.07–1.2V depending on VCC), enabling robust operation with slow-rising or noisy signals without external filtering. The push-pull outputs drive ±24mA at 3V with VOH ≥2.2V and VOL ≤0.55V, while thermal resistance RθJA is 141.8°C/W in the PW (TSSOP-16) package.

Key Specifications

Pinout & Package

SN74LVC2G100PWRQ1 is available in the PW (16-pin TSSOP) package, measuring 5mm × 6.4mm with body size 5mm × 4.4mm. This surface-mount package features gull-wing leads compatible with standard reflow processes and automated optical inspection.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar configurable logic gate applications.

Compared with SN74LVC1G97QDRYRQ1 and SN74LVC2G17QDCURQ1, the SN74LVC2G100PWRQ1 uniquely combines reconfigurable combinatorial logic, Schmitt-trigger noise rejection, and dual D-flip-flop synchronization in one automotive-qualified device-enabling compact, robust implementation of sequenced enable, synchronized reset, and fault-arbitrated status generation.

Availability

SN74LVC2G100PWRQ1 is available at Aetrix Electronics and suitable for automotive power management, ADAS sensor interface, and infotainment system design requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.

Supply support for SN74LVC2G100PWRQ1 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

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and automotive-grade ICs, with decades of experience delivering high-reliability components for mission-critical systems.

The SN74LVC2G100PWRQ1 belongs to TI's automotive logic portfolio, designed specifically to replace discrete gate + latch combinations in vehicle ECUs where space, noise immunity, and functional safety readiness are paramount.

FAQ

What logic functions can the SN74LVC2G100PWRQ1 implement?

The SN74LVC2G100PWRQ1 supports 16 configurable combinatorial logic patterns per channel-including MUX, AND, OR, NAND, NOR, inverter, and non-inverter-determined by the 4-bit input combination (DAx–DDx). These functions are implemented in hardware and require no configuration registers or firmware; the output Y feeds directly into the D input of the integrated flip-flop. The SN74LVC2G100PWRQ1 does not support programmable logic arrays or user-defined truth tables beyond the 16 fixed patterns defined in the datasheet.

Does the SN74LVC2G100PWRQ1 support 5V input signals?

Yes, the SN74LVC2G100PWRQ1 features 5.5V-tolerant inputs across all logic pins (DA1–DD2, CLK1/2, CLR1/2), allowing direct connection to 5V signals-even when operating from a 1.8V or 2.5V VCC supply. This tolerance is achieved via internal clamp diodes and does not require external components. However, VCC must remain within 1.1V–3.6V, and output voltage levels will track VCC-not the input voltage-so interfacing with 5V loads requires level translation.

How does the Schmitt-trigger input improve noise immunity in automotive environments?

The Schmitt-trigger inputs of the SN74LVC2G100PWRQ1 provide voltage hysteresis (ΔVT = 0.07–1.2V depending on VCC), meaning the threshold for detecting a rising edge (VT+) differs from that for a falling edge (VT−). This prevents multiple toggles when input signals cross the threshold slowly or with superimposed noise-common in engine bay wiring. For example, at 3.3V VCC, ΔVT is ~0.3–1.2V, rejecting noise spikes up to 1.2Vpp without external filtering. The SN74LVC2G100PWRQ1 thus eliminates need for RC debounce networks in harsh EMI environments.

Can both channels of the SN74LVC2G100PWRQ1 be used independently?

Yes, the SN74LVC2G100PWRQ1 contains two fully independent channels (Channel 1: Pins 1–8; Channel 2: Pins 9–16), each with dedicated inputs (DA1–DD1, CLK1, CLR1), output (Q1), and internal logic path. They share only VCC and GND. This allows simultaneous use-for example, configuring Channel 1 as an AND gate for power sequencing and Channel 2 as a NOR gate for fault detection-without crosstalk or timing interaction. The SN74LVC2G100PWRQ1 datasheet confirms no functional or electrical coupling between channels beyond common supply rails.

What is the maximum clock frequency supported by the SN74LVC2G100PWRQ1?

The SN74LVC2G100PWRQ1 supports a maximum clock frequency (fclock) of 150MHz at 2.5V and 3.3V VCC, and 73MHz at 1.8V, as specified in the Timing Characteristics table. This rating assumes proper layout, decoupling, and load conditions (CL ≤ 50pF). At lower VCC (e.g., 1.2V), fclock drops to 10MHz. The actual usable frequency depends on setup/hold timing margins and propagation delay; for robust automotive operation, designs should target ≤70% of the rated fclock to accommodate voltage and temperature variation across the −40°C to +125°C range.