Output drive and supply rail
The SN74LVTH540PWR: This 8-bit inverting buffer with 3-state outputs sinks 64 mA and sources 32 mA per channel — enough to drive a bank of LED indicators or a 5 V-tolerant logic input without an external buffer stage.
SN74LVTH540PWR Buffer Inverting 3-State 20-TSSOP, 32/64mA
MPNSN74LVTH540PWR
End of Life
Texas Instruments 74LVTH series, Buffer Inverting, 3-State, 8-bit, 2.7V-3.6V supply, 32mA/64mA output drive, -40°C to 85°C, 20-TSSOP package, Tape & Reel.
$1.84Ref. price · indicative, final on quote
Packaging20-TSSOP (0.173", 4.40mm Width)
RoHSROHS3 Compliant
Series74LVTH
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | 74LVTH |
| Logic type | Buffer, Inverting |
| Output type | 3-State |
| Mounting | Surface Mount |
| Supply voltage | 2.7V ~ 3.6V |
| Current - output high, low | 32mA, 64mA |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 20-TSSOP (0.173\", 4.40mm Width) |
| Number of elements | 1 |
| Number of bits per element | 8 |
Product details
Frequently asked questions
What is the closest functional second-source for SN74LVTH540PWR?
The pinout and footprint differ (TSSOP vs TVSOP), so a board layout change is required.
What package options are available for SN74LVTH540PWR?
The standard offering is Tape & Reel (TR) and Cut Tape (CT) in a 20-TSSOP package. The supplier device package is also 20-TSSOP.