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74AHCT1G126GW,125

74AHCT1G126GW,125

Nexperia USA Inc.
Buffer, Non-Inverting 1 Element 1 Bit per Element 3-State Output 5-TSSOP
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Overview

The 74AHCT1G126GW is a single-bit, non-inverting buffer/line driver with a 3-state output controlled by an output enable (OE) pin. Designed for 4.5V to 5.5V operation, it features TTL-compatible inputs, making it an ideal choice for interfacing between low-voltage TTL logic and CMOS systems.

Why Choose This Part

This device offers overvoltage tolerant inputs up to 5.5V and balanced propagation delays for high-speed signal paths. Its CMOS construction ensures low power dissipation (40uA maximum standby) while maintaining high noise immunity and robust ESD protection exceeding 2000V HBM.

Applications

Level Shifting
Translating TTL logic levels to 5V CMOS levels in mixed-voltage digital systems.
Bus Isolation
Using the 3-state output to disconnect sensitive components from a shared data bus when not in use.
Signal Buffering
Providing up to 8mA of drive current to maintain signal integrity over longer PCB traces or across connectors.
Microcontroller I/O Expansion
Protecting MCU pins and providing high-impedance states for multiplexed peripheral control.

Key Specifications

Logic Type Buffer, Non-Inverting
Output Type 3-State
Mounting Type Surface Mount
Package / Case 5-TSSOP, SC-70-5, SOT-353
Voltage - Supply 4.5V ~ 5.5V
Number of Elements 1
Operating Temperature -40degC ~ 125degC (TA)
Supplier Device Package 5-TSSOP
Current - Output High, Low 8mA, 8mA
Number of Bits per Element 1

Getting Started

Ensure the OE pin is driven high to enable the output, as a low level places the output in a high-impedance state. Decouple the 4.5V to 5.5V supply with a standard 0.1uF ceramic capacitor placed close to the TSSOP-5 package pins.

Categories

Interface ICs > Level Shifters