Diodes Incorporated

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Single Buffer, 3-State, OE HIGH

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The 74AHCT1G126Q is an automotive compliant, single non-inverting
buffer/bus driver with a 3-state output. The output enters a high
impedance state when a LOW-level is applied to the output enable (OE)
pin. The device is designed for operation with a power supply range of
4.5V to 5.5V.


  • Grade 1 Ambient Temperature Operation: -40°C to +125°C
  • Supply Voltage Range from 4.5V to 5.5V
  • ±8mA Output Drive at 5.0V
  • CMOS Low-Power Consumption
  • Schmitt Trigger Action at All Inputs Make the Circuit Tolerant for Slower Input Rise and Fall Time
  • Inputs Not Limited by VCC
  • Balanced Propagation Delays
  • Balanced Drive Capability
  • ESD Protection Tested per AEC-Q100
  • Exceeds 2000-V Human Body Model (AEC-Q100-002)
  • Exceeds 1000-V Charged Device Model (AEC-Q100-011)
  • Latch-Up Exceeds 100mA (AEC-Q100-004)
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device 
  • The 74AHCT1G126Q is suitable for automotive applications
    requiring specific change control; this part is AEC-Q100
    qualified, PPAP capable, and manufactured in IATF 16949
    certified facilities.


  • General Purpose Logic
  • Wide Array of Products, such as:
    • Automotive Applications within Grade 1 Temperature
    • Industrial Computing/Controls/Automation
    • High Reliability Networking/Communications
    • Industrial/Agricultural Equipment

Product Specifications

Product Parameters

Function Buffer
Type Buffers/Inverters/Transceivers
Compliance (Only Automotive supports PPAP) Automotive
Channels 1
Family AHCT
VCC Min (V) 4.5
VCC Max (V) 5.5
Input Type TTL Compatible CMOS
Output Type 3-State
Output Current (mA) 8

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