Skip to main content
Texas Instruments 74LVC1G240DCKRG4 — Interface & Transceivers

74LVC1G240DCKRG4 Buffer, Inverting, 3-State, SC-70-5

MPN74LVC1G240DCKRG4
End of Life

Texas Instruments 74LVC Series, 74LVC1G240DCKRG4, Buffer, Inverting, 3-State, 1.65V to 5.5V supply, 32mA output drive, -40°C to 125°C, SC-70-5 package.

$0.3900Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

74LVC1G240DCKRG4 specifications
ParameterValue
Series74LVC
Logic typeBuffer, Inverting
Output type3-State
MountingSurface Mount
Supply voltage1.65V ~ 5.5V
Current - output high, low32mA, 32mA
Operating temperature-40°C~125°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Case5-TSSOP, SC-70-5, SOT-353
Number of elements1
Number of bits per element1

Product details

It operates from 1.65V to 5.5V, making it suitable for mixed-voltage systems where a 3.3V core interfaces with a 5V peripheral. The output can sink or source 32mA, enough to drive an LED indicator or a small relay coil directly without an external transistor.

Supply voltage flexibility and temperature range

The 1.65V to 5.5V supply range covers common logic rails: 1.8V, 2.5V, 3.3V, and 5V.

Output drive and 3-state control

With 32mA output drive in both high and low states, this buffer can switch capacitive loads on a short PCB trace without excessive edge-rate degradation. The 3-state output allows multiple buffers to share a common data line — the output goes high-impedance when the output-enable pin is asserted, preventing bus contention in multiplexed address or data buses.

The SC-70-5 (SOT-353) package has a 2.0mm x 2.1mm body with 0.65mm pin pitch. It is a surface-mount package suitable for automated pick-and-place assembly. The small footprint is ideal for dense PCBs where every square millimeter counts, such as in handheld instruments or sensor modules.

There is no single-source risk — the 74LVC1G240 is a standard logic part available from multiple distributors.

Frequently asked questions

Is 74LVC1G240DCKRG4 RoHS compliant?

The 74LVC1G240DCKRG4 is RoHS compliant per Texas Instruments' standard lead-free plating. The 'G4' suffix indicates a green (RoHS) package.