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SN74AXC2T45QDCURQ1

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Texas Instruments Translators, Level Shifters, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Verified SN74AXC2T45QDCURQ1

by Ray · last 5 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

5 Nov 2026RayPublished by the parts factory: tier mfr, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: SN74AXC2T45QDCURQ1 · VSSOP-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 32-page datasheet
  • ✓distributor: lcsc C4364104, digikey 296-SN74AXC2T45QDCURQ1TR-ND, mouser 595-74AXC2T45QDCURQ1
  • ✓family: VSSOP-8_2.3x2mm_P0.5mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-c96vdpuy/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.29)
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ sn74axc2t45qdcurq1.kicad_sym✓ sn74axc2t45qdcurq1.kicad_mod✓ sn74axc2t45qdcurq1.step
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Ray Publish 0.1.0 c83400e 7h ago

SN74AXC2T45QDCURQ1

Texas Instruments · Translators, Level Shifters · VSSOP-8

SN74AXC2T45QDCURQ1 from Texas Instruments, in a VSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VCCA power_in A-port power supply voltage, specified at 0.65V ≤ VCCA ≤ 3.6V.
2 A1 bidirectional Input/output A1, referenced to VCCA.
3 A2 bidirectional Input/output A2, referenced to VCCA.
4 GND power_in Ground.
5 DIR input Direction-control input for both ports, referenced to VCCA.
6 B2 bidirectional Input/output B2, referenced to VCCB.
7 B1 bidirectional Input/output B1, referenced to VCCB.
8 VCCB power_in B-port power supply voltage, specified at 0.65V ≤ VCCB ≤ 3.6V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VSSOP-8
Category Logic
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
High-level output voltage, IOH = -50µA VOH 0.55 V VI = VIH; VCCA = VCCB = 0.65V; -40°C to 125°C 5
High-level output voltage, IOH = -200µA VOH 0.58 V VI = VIH; VCCA = VCCB = 0.76V; -40°C to 125°C 5
High-level output voltage, IOH = -500µA VOH 0.65 V VI = VIH; VCCA = VCCB = 0.85V; -40°C to 125°C 5
High-level output voltage, IOH = -3mA VOH 0.85 V VI = VIH; VCCA = VCCB = 1.1V; -40°C to 125°C 5
High-level output voltage, IOH = -6mA VOH 1.05 V VI = VIH; VCCA = VCCB = 1.4V; -40°C to 125°C 5
High-level output voltage, IOH = -8mA VOH 1.2 V VI = VIH; VCCA = VCCB = 1.65V; -40°C to 125°C 5
High-level output voltage, IOH = -9mA VOH 1.75 V VI = VIH; VCCA = VCCB = 2.3V; -40°C to 125°C 5
High-level output voltage, IOH = -12mA VOH 2.3 V VI = VIH; VCCA = VCCB = 3V; -40°C to 125°C 5
Low-level output voltage, IOL = 100µA VOL 0.1 V VI = VIL; VCCA 0.7V-3.6V; VCCB 0.7V-3.6V; -40°C to 125°C 5
Low-level output voltage, IOL = 50µA VOL 0.1 V VI = VIL; VCCA = VCCB = 0.65V; -40°C to 125°C 5
Low-level output voltage, IOL = 200µA VOL 0.18 V VI = VIL; VCCA = VCCB = 0.76V; -40°C to 125°C 5
Low-level output voltage, IOL = 500µA VOL 0.2 V VI = VIL; VCCA = VCCB = 0.85V; -40°C to 125°C 5
Low-level output voltage, IOL = 3mA VOL 0.25 V VI = VIL; VCCA = VCCB = 1.1V; -40°C to 125°C 5
Low-level output voltage, IOL = 6mA VOL 0.35 V VI = VIL; VCCA = VCCB = 1.4V; -40°C to 125°C 5
Low-level output voltage, IOL = 8mA VOL 0.45 V VI = VIL; VCCA = VCCB = 1.65V; -40°C to 125°C 5
Low-level output voltage, IOL = 9mA VOL 0.55 V VI = VIL; VCCA = VCCB = 2.3V; -40°C to 125°C 5
Low-level output voltage, IOL = 12mA VOL 0.7 V VI = VIL; VCCA = VCCB = 3V; -40°C to 125°C 5
Input leakage current, control input (DIR) II -1 1 µA VI = VCCA or GND; VCCA = VCCB = 0.65V-3.6V; -40°C to 125°C 5
Input leakage current, data inputs (Ax, Bx) II -8 8 µA VI = VCCI or GND; VCCA = VCCB = 0.65V-3.6V; -40°C to 125°C 5
Partial power down current, A port Ioff -8 8 µA VI or VO = 0V-3.6V; VCCA = 0V; VCCB = 0V-3.6V; -40°C to 125°C 5
Partial power down current, B port Ioff -8 8 µA VI or VO = 0V-3.6V; VCCA = 0V-3.6V; VCCB = 0V; -40°C to 125°C 5
VCCA supply current ICCA 14 µA VI = VCCI or GND; IO = 0; VCCA = VCCB = 0.65V-3.6V; -40°C to 125°C 5
VCCA supply current ICCA -12 µA VI = VCCI or GND; IO = 0; VCCA = 0V; VCCB = 3.6V; -40°C to 125°C 5
VCCA supply current ICCA 8 µA VI = VCCI or GND; IO = 0; VCCA = 3.6V; VCCB = 0V; -40°C to 125°C 5
VCCB supply current ICCB 14 µA VI = VCCI or GND; IO = 0; VCCA = VCCB = 0.65V-3.6V; -40°C to 125°C 5
VCCB supply current ICCB 8 µA VI = VCCI or GND; IO = 0; VCCA = 0V; VCCB = 3.6V; -40°C to 125°C 5
VCCB supply current ICCB -12 µA VI = VCCI or GND; IO = 0; VCCA = 3.6V; VCCB = 0V; -40°C to 125°C 5
Combined supply current ICCA + ICCB ICCA + ICCB 23 µA VI = VCCI or GND; IO = 0; VCCA = VCCB = 0.65V-3.6V; -40°C to 125°C 5
Recommended supply voltage, VCCA VCCA 0.65 3.6 V 4
Recommended supply voltage, VCCB VCCB 0.65 3.6 V 4
High-level input voltage, data inputs VIH 1.6 V VCCI = 2.3V-2.7V 4
High-level input voltage, data inputs VIH 2 V VCCI = 3V-3.6V 4
High-level input voltage, control input (DIR) VIH 1.6 V VCCA = 2.3V-2.7V 4
High-level input voltage, control input (DIR) VIH 2 V VCCA = 3V-3.6V 4
Low-level input voltage, data inputs VIL 0.7 V VCCI = 2.3V-2.7V 4
Low-level input voltage, data inputs VIL 0.8 V VCCI = 3V-3.6V 4
Low-level input voltage, control input (DIR) VIL 0.7 V VCCA = 2.3V-2.7V 4
Low-level input voltage, control input (DIR) VIL 0.8 V VCCA = 3V-3.6V 4
Input voltage VI 0 3.6 V 4
Output voltage, active state VO 0 V Active state; upper limit printed as VCCO 4
Output voltage, tri-state VO 0 3.6 V Tri-state 4
Input transition rise and fall time Δt/Δv 10 ns/V 4
Operating free-air temperature TA -40 125 °C 4
Supply voltage, VCCA VCCA -0.5 4.2 V 3
Supply voltage, VCCB VCCB -0.5 4.2 V 3
Input voltage, I/O ports (A port) VI -0.5 4.2 V 3
Input voltage, I/O ports (B port) VI -0.5 4.2 V 3
Input voltage, control inputs VI -0.5 4.2 V 3
Voltage applied to output in high-impedance or power-off state, A port VO -0.5 4.2 V High-impedance or power-off state 3
Voltage applied to output in high-impedance or power-off state, B port VO -0.5 4.2 V High-impedance or power-off state 3
Voltage applied to output in high or low state, A port VO -0.5 V High or low state; upper limit printed as VCCA + 0.2 3
Voltage applied to output in high or low state, B port VO -0.5 V High or low state; upper limit printed as VCCB + 0.2 3
Input clamp current IIK -50 mA VI < 0 3
Output clamp current IOK -50 mA VO < 0 3
Continuous output current IO -50 50 mA 3
Continuous current through VCC or GND ICC/IGND -100 100 mA 3
Junction temperature Tj 150 °C 3
Storage temperature Tstg -65 150 °C 3
Junction-to-ambient thermal resistance RθJA 242.9 °C/W DCU (VSSOP) package 4
Junction-to-board thermal resistance RθJB 153.3 °C/W DCU (VSSOP) package 4

CAD (KiCad official)

  • Symbol: SN74AXC2T45QDCURQ1
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: sn74axc2t45qdcurq1-etched.step / sn74axc2t45qdcurq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74axc2t45qdcurq1.step / sn74axc2t45qdcurq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (32 pp, sha256 11fec5312cceb956, retrieved 2026-11-05, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF