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74AUP1T34QSE-7

Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · SOT-353

74AUP1T34QSE-7 from Diodes Incorporated, in a SOT-353. 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 Supply for input pin A, operating from 0.9 V to 3.6 V.
2 A input Data input with switching thresholds referenced to VCCA, and input voltage absolute maximum range of -0.5 V to +4.6 V.
3 GND power_in Ground reference for the device.
4 Y tri_state Data output with HIGH level tracking VCCB; it is three-state when VCCA is 0 V, and output voltage absolute maximum range is -0.5 V to +4.6 V.
5 VCCB power_in Supply for output pin Y, operating from 0.9 V to 3.6 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-353
Category Logic
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
ESD HBM Human Body Model ESD Protection ESD HBM 5 kV 2
ESD CDM Charged Device Model ESD Protection ESD CDM 1 kV 2
Supply Voltage Range VCCA, VCCB -0.3 4 V 2
Input Voltage Range VI -0.5 4.6 V 2
Voltage Applied to Output in High Impedance or IOFF State VO -0.5 4.6 V High impedance or IOFF state 2
Voltage Applied to Output in High or Low State VO -0.5 4.6 V High or low state 2
Input Clamp Current IIK -50 mA VI<0 2
Output Clamp Current IOK -50 mA 2
Continuous Output Current IO -50 50 mA 2
Continuous Current Through VCCA or GND -100 100 mA 2
Operating Junction Temperature TJ -40 150 °C 2
Storage Temperature TSTG -65 150 °C 2
VCCA Operating Voltage VCCA 0.9 3.6 V 3
VCCB Operating Voltage VCCB 0.9 3.6 V 3
High-Level Input Voltage (VCCA 0.9V to 1.95V) VIH 0.65 x VCCA VCCA 0.9V to 1.95V; VCCB 0.9V to 3.6V 3
High-Level Input Voltage (VCCA 2.3V to 2.7V) VIH 1.6 V VCCA 2.3V to 2.7V; VCCB 0.9V to 3.6V 3
High-Level Input Voltage (VCCA 3V to 3.6V) VIH 2 V VCCA 3V to 3.6V; VCCB 0.9V to 3.6V 3
Low-Level Input Voltage (VCCA 0.9V) VIL 0.3 x VCCA VCCA 0.9V; VCCB 0.9V to 3.6V 3
Low-Level Input Voltage (VCCA 1V to 1.95V) VIL 0.35 x VCCA VCCA 1V to 1.95V; VCCB 0.9V to 3.6V 3
Low-Level Input Voltage (VCCA row printed as 0.35 x VCCA) VIL 0.7 V VCCA printed as '0.35 x VCCA'; VCCB 0.9V to 3.6V 3
Low-Level Input Voltage (VCCA 3V to 3.6V) VIL 0.8 V VCCA 3V to 3.6V; VCCB 0.9V to 3.6V 3
Operating Free-Air Temperature TA -40 85 °C 3
High Level Output Voltage VOH -0.2 V IOH = -100μA; VCCA and VCCB 0.9V to 3.6V; min printed as VCCB, 0.2 (offset relative to VCCB, not absolute) 3
High Level Output Voltage VOH 0.75 x VCCB IOH = -0.25mA; VCCA and VCCB 0.9V to 1V 3
High Level Output Voltage VOH 1 V IOH = -1.5mA; VCCA and VCCB 1.2V 3
High Level Output Voltage VOH 1.32 V IOH = -2mA; VCCA and VCCB 1.65V 3
High Level Output Voltage VOH 1.9 V IOH = -3mA; VCCA and VCCB 2.3V 3
High Level Output Voltage VOH 2.72 V IOH = -6mA; VCCA and VCCB 3V 3
Low-Level Output Voltage VOL 0.1 V IOL = 100μA; VCCA and VCCB 0.9V to 3.6V 3
Low-Level Output Voltage VOL 0.3 x VCCB IOL = 1.5mA; VCCA and VCCB 1.2V 3
Low-Level Output Voltage VOL 0.31 V IOL = 2mA; VCCA and VCCB 1.65V 3
Input Current II -1 1 μA VI = VCCA or GND; VCCA and VCCB 0.9V to 3.6V 3
Off State Current A Pin IOFF -5 5 μA A pin, VI = 0 to 3.6V; VCCA 0V, VCCB 0 to 3.6V 3
Off State Current Y Pin IOFF -5 5 μA Y pin, VO = 0 to 3.6V; VCCA 0 to 3.6V, VCCB 0V 3
Supply Current ICCA ICCA 5 μA VI = VCCA or GND, IO = 0mA; VCCA 0.9V to 3.6V, VCCB 0.9V to 3.6V 3
Supply Current ICCA ICCA 2 μA VI = VCCA or GND, IO = 0mA; VCCA 0.9V to 3.6V, VCCB = VCCA 3
Supply Current ICCA ICCA 1 μA VI = VCCA or GND, IO = 0mA; VCCA 0V, VCCB 0V to 3.6V 3
Supply Current ICCB ICCB 5 μA VI = VCCA or GND, IO = 0mA; VCCA 0.9V to 3.6V, VCCB 0.9V to 3.6V 3
Supply Current ICCB ICCB 2 μA VI = VCCA or GND, IO = 0mA; VCCA 0.9V to 3.6V, VCCB = VCCA 3
Supply Current ICCB ICCB 1 μA VI = VCCA or GND, IO = 0mA; VCCA 0V, VCCB 0V to 3.6V 3
Supply Current ICCA + ICCB ICCA + ICCB 20 μA VI = VCCA or GND, IO = 0mA; VCCA 1.2V to 3.6V, VCCB 1.2V to 3.6V 3
Input Capacitance A pin CI 4 pF VI = 3.3V or GND; VCCA 3.3V 3
Output Capacitance Y pin CO 7 pF VO = 3.3V or GND; VCCA 0V, VCCB 3.3V 3
Propagation delay time low-to-high / high-to-low (CL=5pF, VCCA 1.2V) tpLH/tpHL 42.5 ns CL = 5pF; VCCA 1.2V; VCCB 0.9V 4
Propagation delay time low-to-high / high-to-low (CL=5pF, VCCA 1.2V) tpLH/tpHL 24.9 ns CL = 5pF; VCCA 1.2V; VCCB 1.2V 4
Propagation delay time low-to-high / high-to-low (CL=5pF, VCCA 1.2V) tpLH/tpHL 23.2 ns CL = 5pF; VCCA 1.2V; VCCB 1.65V 4
Propagation delay time low-to-high / high-to-low (CL=5pF, VCCA 1.2V) tpLH/tpHL 22.6 ns CL = 5pF; VCCA 1.2V; VCCB 2.3V 4
Propagation delay time low-to-high / high-to-low (CL=5pF, VCCA 1.2V) tpLH/tpHL 22.5 ns CL = 5pF; VCCA 1.2V; VCCB 3V 4
Propagation delay time low-to-high / high-to-low (CL=30pF, VCCA 1.2V) tpLH/tpHL 45.65 ns CL = 30pF; VCCA 1.2V; VCCB 0.9V 5
Propagation delay time low-to-high / high-to-low (CL=30pF, VCCA 1.2V) tpLH/tpHL 14.76 ns CL = 30pF; VCCA 1.2V; VCCB 1.2V 5
Propagation delay time low-to-high / high-to-low (CL=30pF, VCCA 1.2V) tpLH/tpHL 12.37 ns CL = 30pF; VCCA 1.2V; VCCB 1.65V 5
Propagation delay time low-to-high / high-to-low (CL=30pF, VCCA 1.2V) tpLH/tpHL 11.61 ns CL = 30pF; VCCA 1.2V; VCCB 2.3V 5
Propagation delay time low-to-high / high-to-low (CL=30pF, VCCA 1.2V) tpLH/tpHL 11.41 ns CL = 30pF; VCCA 1.2V; VCCB 3V 5
Thermal Resistance Junction-to-Ambient θJA 318 °C/W SOT353 (Note 7) 3
Thermal Resistance Junction-to-Case θJC 156 °C/W SOT353 (Note 7) 3

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminals: Finish - Mate Tin Plated Leads, Solderable per MIL-STD-202, Method 208  Weight: 0.006 grams (Approximate) 8

CAD (KiCad official)

  • Symbol: 74AUP1T34QSE-7
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SOT-353 (KiCad packages3D, STEP)
  • 3D model files: 74aup1t34qse-7-etched.step / 74aup1t34qse-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74aup1t34qse-7.step / 74aup1t34qse-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (9 pp, sha256 24595b5a271e0cbe, retrieved 2026-10-19, tier: lcsc)
  • 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