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Texas Instruments 74AHC1G126DBVTG4 — Interface & Transceivers

74AHC1G126DBVTG4 Buffer, Non-Inverting, 3-State, SOT-23-5

MPN74AHC1G126DBVTG4
End of Life

Texas Instruments 74AHC1G126DBVTG4, Series 74AHC, Buffer Non-Inverting with 3-State Output, 1-Element, 1-Bit per Element, 8mA Output, SC-74A / SOT-753, Surface Mount, -40°C to 125°C.

$0.1500Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

74AHC1G126DBVTG4 specifications
ParameterValue
Series74AHC
Logic typeBuffer, Non-Inverting
Output type3-State
MountingSurface Mount
Supply voltage2V ~ 5.5V
Current - output high, low8mA, 8mA
Operating temperature-40°C~125°C(TA)
PackageTape & Reel (TR)
CaseSC-74A, SOT-753
Number of elements1
Number of bits per element1

Product details

Single-gate buffer for bus isolation and drive

It operates across a supply range of 2V to 5.5V, making it compatible with 3.3V and 5V logic rails commonly found in mixed-voltage designs. The output can be placed into a high-impedance state, allowing multiple devices to share a common bus line without contention.

No separate extended-temperature variant is needed for a motor drive or outdoor telecom panel.

Output drive and 3-state control

The 3-state output enable (OE) pin lets the designer float the output when the buffer is not actively driving the bus, preventing bus contention in multiplexed or shared-line architectures. This is a standard feature for address/data bus buffering or I/O expansion.

Frequently asked questions

Is 74AHC1G126DBVTG4 equivalent to 74LVC1G126?

Both are single non-inverting buffers with 3-state outputs in SOT-23-5 packages, but the 74LVC1G126 operates at a lower voltage range (1.65V to 5.5V) and typically offers higher drive current. The 74AHC1G126 is the better fit for 5V-only or mixed 3.3V/5V designs where the wider voltage range and lower quiescent current of the AHC family are preferred. Pin compatibility should be verified against the respective datasheets.