SN74LV1T34DBVR from Texas Instruments, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	NC	unconnected	Not internally connected. May be left floating or tied to Vcc/GND per board convention.
2	A	input	Input A. CMOS logic input with reduced threshold (VIH ~1.37 V at Vcc=3.3 V) enabling level translation from lower-voltage domains. 5 V tolerant regardless of Vcc.
3	GND	power_in	Ground reference (0 V) for the device.
4	Y	output	Buffered CMOS push-pull output. Output level is referenced to Vcc with balanced sink/source drive (8 mA at 5 V, 7 mA at 3.3 V, 3 mA at 1.8 V).
5	VCC	power_in	Positive supply voltage, 1.65 V to 5.5 V recommended operating range (absolute max 7.0 V). Sets the output logic level. Bypass with a 0.1 uF capacitor close to the pin.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOT-23-5
Category	Logic
Pins	5

Ordering variants

Same part, different packaging or reel option.

SN74LV1T34DBVR
SN74LV1T34DBVRDBVT
SN74LV1T34DBVRDCKR
SN74LV1T34DBVRDCKT

CAD (KiCad official)

Symbol: SN74LV1T34DBVR
Footprint: Package_TO_SOT_SMD:SOT-23-5
3D model: SOT-23-5 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`sn74lv1t34dbvr.step`	85 KB	You want the bare part, or you mark your own boards.
`sn74lv1t34dbvr-etched.step`	1.9 MB	You want the part with `SN74LV1T34DBVR` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 505 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Texas Instruments datasheet (26 pp, sha256 512f47938da1eaf5, retrieved 2026-08-17, tier: manufacturer)
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF