Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Logic > Gates and Inverters

Diodes Incorporated 74AHCT1G32W5-7

Name: 74AHCT1G32W5-7
Brand: Diodes Incorporated
SKU: 74AHCT1G32W5-7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: 74AHCT1G32W5-7

Manufacturer:: Diodes Incorporated

Category:: Gates and Inverters

Package:: SC-74A, SOT-753

Datasheet:: 74AHCT1G32W5-7.pdf

Description:: IC GATE OR 1CH 2-INP SOT25

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:12,753

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

74AHCT1G32W5-7 from Diodes Incorporated is a single 2-input positive OR gate in SOT25 package, operating at 4.5–5.5 V, delivering ±8 mA output drive at 5.0 V, with Schmitt-trigger inputs for noise immunity, and used in logic-level signal combining within PC peripherals and consumer audio/video control paths.

For engineers reviewing the 74AHCT1G32W5-7 datasheet, 74AHCT1G32W5-7 pinout, 74AHCT1G32W5-7 application, or 74AHCT1G32W5-7 equivalent, key selection criteria include TTL-compatible input thresholds (V_IL = 0.8 V, V_VIH = 2.0 V), propagation delay ≤9.0 ns (CL = 15 pF, –40°C to +125°C), and ESD robustness (2 kV HBM, 1 kV CDM).

Technical Context

This device implements standard positive-logic OR functionality (Y = A + B) using CMOS technology with TTL-compatible input voltage thresholds and totem-pole output stage. It features Schmitt-trigger inputs to tolerate slow-rising/falling signals and suppress noise-induced glitches.

Designed for 5 V-only operation, it meets JESD22 ESD standards (2 kV HBM, 1 kV CDM, 200 V MM) and JESD78 latch-up immunity (>100 mA). Its low ICC (max 40 μA at 5.5 V) and 11.5 pF power dissipation capacitance support energy-efficient digital interfacing.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 5.5 V - ensures compatibility with legacy 5 V TTL and mixed-voltage logic systems
Output Drive	±8 mA at 5.0 V - supports direct fan-out to ≥10 LS-TTL loads without buffering
Propagation Delay	≤9.0 ns (CL = 15 pF, –40°C to +125°C) - enables reliable timing in sub-100 MHz combinatorial paths
Input Thresholds	V_IL ≤ 0.8 V, V_IH ≥ 2.0 V - guarantees interoperability with standard 5 V TTL outputs
ESD Protection	2 kV HBM, 1 kV CDM - meets industrial handling requirements without external protection
Operating Temp	–40°C to +125°C - qualified for extended-temperature embedded and automotive cabin applications

Pinout & Package

SOT25 (5-pin small outline transistor) package with gull-wing leads, 1.27 mm pitch, 3.0 mm × 1.6 mm body size, and exposed pad not present. Thermal resistance θ_JA = 204°C/W on FR-4 with minimum recommended copper pad layout.

Pin/Terminal	Circuit Role	Design Meaning
A	Data Input	First OR operand; Schmitt-triggered for noise margin and slow-edge tolerance
B	Data Input	Second OR operand; electrically identical to Pin A, fully interchangeable
GND	Ground Reference	Return path for all internal logic and output current; must be low-impedance
Y	Data Output	Active-high OR result; totem-pole CMOS output capable of sourcing/sinking ±8 mA
V_CC	Power Supply	5 V nominal supply; decoupling capacitor (0.1 μF) required within 5 mm of this pin

Key Features

Feature	Design Value
Schmitt-trigger inputs	Enables reliable operation with slow or noisy input edges (e.g., mechanical switch debouncing, long PCB traces)
TTL-compatible thresholds	Accepts standard 5 V TTL outputs directly without level-shifting circuitry
Low static current	ICC ≤ 40 μA over full temperature range - reduces system standby power in always-on logic blocks
Green packaging	SOT25 molded with halogen-free, RoHS-compliant compound (no Br, Sb)

Applications

PC Peripheral Control

Consumer Audio Signal Routing

Use Scenario: OR-gating of reset or interrupt signals from multiple USB devices before feeding a microcontroller's shared IRQ line.

IC Role / Device Role / Timing Role: Combinatorial logic gate performing wired-OR function with deterministic propagation delay and no added latency jitter.

Use Value: Eliminates need for discrete diode-OR networks, reducing board space and improving signal integrity via matched CMOS drive strength.

Use Scenario: Merging mute or standby status flags from DAC, amplifier, and codec ICs in a portable speaker system.

IC Role / Device Role / Timing Role: Level-sensitive combinatorial gate enabling synchronous power-down coordination across subsystems.

Use Value: Ensures clean, glitch-free assertion of global mute signal due to Schmitt-trigger input hysteresis and fast edge response.

DVD/Blu-ray Drive Interface

Industrial Sensor Hub Logic

Use Scenario: Combining error detection flags (e.g., tray open, disc read failure, buffer underrun) into a unified "drive fault" indicator for host controller.

IC Role / Device Role / Timing Role: Single-function logic element providing fail-safe status aggregation with guaranteed timing behavior under temperature extremes.

Use Value: Meets DVD specification timing budgets (tpd ≤ 9 ns) while maintaining reliability across –40°C to +125°C ambient conditions.

Use Scenario: OR-ing alarm outputs from multiple analog sensor conditioners (e.g., temperature, vibration, humidity) in a factory-floor monitoring node.

IC Role / Device Role / Timing Role: Robust digital interface component tolerant of EMI-rich environments due to high ESD rating and Schmitt inputs.

Use Value: Reduces false alarms by rejecting sub-100 ns noise spikes that would trigger conventional CMOS inputs.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74AHCT1G32DBVR	Same logic function, identical electrical specs, but in SOT-23-5 (DBV) package with different thermal profile (θ_JA = 216°C/W) and slightly larger footprint	Compatible in board space-constrained designs where SOT-23-5 land pattern exists; not drop-in for SOT25	Select when leveraging existing SOT-23-5 layout or requiring TI's qualification documentation
74LVC1G32GW,125	Lower V_CC range (1.65–5.5 V); higher speed (tpd ≤ 3.7 ns @ 3.3 V); no Schmitt inputs; lower ESD (1.5 kV HBM)	Better suited for 3.3 V or mixed-voltage systems; unsuitable where slow/noisy inputs require hysteresis	Choose for higher-speed, lower-voltage designs where input edge rate is controlled and ESD stress is moderate

Compared with SN74AHCT1G32DBVR and 74LVC1G32GW,125, the 74AHCT1G32W5-7 uniquely balances 5 V TTL compatibility, Schmitt-trigger noise immunity, and industrial temperature operation - making it optimal for legacy 5 V systems with unconditioned signal sources.

Availability

74AHCT1G32W5-7 is available at Aetrix Electronics and suitable for PC peripheral control, consumer audio signal routing, DVD/Blu-ray drive interface, and industrial sensor hub logic requiring stable component supply and long-term lifecycle assurance.

Supply support for 74AHCT1G32W5-7 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability, cost-optimized components for industrial, computing, and consumer markets.

The 74AHCT logic family targets 5 V TTL-compatible digital interfacing with enhanced noise immunity and extended temperature capability - designed specifically for robust signal conditioning in legacy and mixed-signal embedded systems.

FAQ

Can 74AHCT1G32W5-7 operate at 3.3 V?

No. The 74AHCT1G32W5-7 is specified only for 4.5 V to 5.5 V operation per its Recommended Operating Conditions. At 3.3 V, input thresholds become undefined, output drive falls below specification, and logic levels may not meet TTL compatibility - risking metastability or incorrect output states.

Is the SOT25 package lead-free and RoHS compliant?

Yes. The 74AHCT1G32W5-7 uses lead-free terminations and a halogen-free molding compound compliant with EU Directive 2002/95/EC (RoHS), with all applicable exemptions applied per Diodes Incorporated's lead-free policy documentation.

What is the maximum capacitive load this OR gate can drive reliably?

The device is characterized up to 50 pF (tpd tested at CL = 15 pF and 50 pF). Driving >50 pF increases propagation delay nonlinearly and may cause output rise/fall time degradation; for loads >50 pF, add a buffer stage or verify timing margins with actual board parasitics.

Do unused inputs require termination?

Yes. Per datasheet Note 3, all unused inputs must be tied to either V_CC or GND to prevent floating nodes, which could cause excessive ICC, erratic output behavior, or increased EMI susceptibility due to oscillation at the Schmitt-trigger threshold.

74AHCT1G32W5-7 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: 74AHCT

Package/Case:: SC-74A, SOT-753

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: OR Gate

Number of Circuits:: 1

Number of Inputs:: 2

Features:: -

Voltage - Supply:: 4.5V ~ 5.5V

Current - Quiescent (Max):: 1 µA

Current - Output High, Low:: 8mA, 8mA

Input Logic Level - Low:: 0.8V

Input Logic Level - High:: 2V

Max Propagation Delay @ V, Max CL:: 7.9ns @ 5V, 50pF

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-25

74AHCT1G32W5-7 FAQ

1.How can I place an order for 74AHCT1G32W5-7 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHCT1G32W5-7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 74AHCT1G32W5-7 reliable?

The price and inventory of 74AHCT1G32W5-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT1G32W5-7 is usually 5 days.

3.What payment methods are accepted for 74AHCT1G32W5-7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT1G32W5-7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHCT1G32W5-7?

74AHCT1G32W5-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHCT1G32W5-7 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 74AHCT1G32W5-7?

For technical support, including 74AHCT1G32W5-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT1G32W5-7 requirements.

6.How does Aetrix verify that 74AHCT1G32W5-7 is sourced from the original manufacturer or authorized distributors?

All 74AHCT1G32W5-7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74AHCT1G32W5-7 meets industry standards.

7.What is the process for return or replacement of 74AHCT1G32W5-7?

All 74AHCT1G32W5-7 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT1G32W5-7, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 74AHCT1G32W5-7 part is unused and in its original packaging.

Return procedure for 74AHCT1G32W5-7:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

2026-08-11 LDO Regulator: Dropout Voltage, Noise, PSRR and Power Dissipation

LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…

2026-08-06 Conditional Access Module: CAM, CI/CI+ and DVB Security

Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…

2026-08-03 Electronic Component Obsolescence: EOL Risks, Replacement Options and Last-Time Buy Strategy

Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…