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74LVX245MTCX

Public Made by Adom

by adom

onsemi Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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74LVX245MTCX

onsemi · Buffers, Drivers, Receivers, Transceivers · TSSOP-20

74LVX245MTCX from onsemi, in a TSSOP-20. 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 T/R input Transmit/Receive input: HIGH sends data from A ports to B ports, LOW sends data from B ports to A ports.
2 A0 bidirectional Side A data input or 3-STATE output, bit 0.
3 A1 bidirectional Side A data input or 3-STATE output, bit 1.
4 A2 bidirectional Side A data input or 3-STATE output, bit 2.
5 A3 bidirectional Side A data input or 3-STATE output, bit 3.
6 A4 bidirectional Side A data input or 3-STATE output, bit 4.
7 A5 bidirectional Side A data input or 3-STATE output, bit 5.
8 A6 bidirectional Side A data input or 3-STATE output, bit 6.
9 A7 bidirectional Side A data input or 3-STATE output, bit 7.
10 GND power_in Ground.
11 B7 bidirectional Side B data input or 3-STATE output, bit 7.
12 B6 bidirectional Side B data input or 3-STATE output, bit 6.
13 B5 bidirectional Side B data input or 3-STATE output, bit 5.
14 B4 bidirectional Side B data input or 3-STATE output, bit 4.
15 B3 bidirectional Side B data input or 3-STATE output, bit 3.
16 B2 bidirectional Side B data input or 3-STATE output, bit 2.
17 B1 bidirectional Side B data input or 3-STATE output, bit 1.
18 B0 bidirectional Side B data input or 3-STATE output, bit 0.
19 OE input Output Enable input: when HIGH, both A and B ports are placed in high impedance.
20 VCC power_in Supply voltage, recommended 2.0V to 3.6V (absolute maximum -0.5V to 7.0V).

Key specifications

Parameter Value
Manufacturer onsemi
Package TSSOP-20
Category Logic
Pins 20

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC -0.5 7 V 3
DC input voltage T/R, OE VI -0.5 7 V 3
DC input diode current IIK 20 mA VI at -0.5 V (sign not printed) 3
DC diode current IOK 20 mA VO at -0.5 V (sign not printed) 3
DC bus I/O voltage VI/O -0.5 V max VCC + 0.5 V (non-numeric) 3
DC output source or sink current IO -25 25 mA 3
DC VCC or ground current ICC or IGND -75 75 mA 3
Storage temperature TSTG -65 150 °C 3
Power dissipation 180 mW 3
Supply voltage VCC 2 3.6 V 3
Input voltage T/R, OE VI 0 5.5 V 3
Bus I/O voltage VI/O 0 V max VCC 3
Operating temperature TA -40 85 °C 3
Input rise and fall time Δt/ΔV 0 100 ns/V 3
HIGH level input voltage VIH 1.5 V VCC 2.0 V; TA 25°C 3
HIGH level input voltage VIH 2 V VCC 3.0 V; TA 25°C 3
HIGH level input voltage VIH 2.4 V VCC 3.6 V; TA 25°C 3
LOW level input voltage VIL 0.5 V VCC 2.0 V; TA 25°C 3
LOW level input voltage VIL 0.8 V VCC 3.0 V; TA 25°C 3
HIGH level output voltage VOH 1.9 2 V VCC 2.0 V; VIN VIH or VIL; IOH 50 μA; TA 25°C 3
HIGH level output voltage VOH 1.9 V VCC 2.0 V; VIN VIH or VIL; IOH 50 μA; TA -40 to 85°C 3
HIGH level output voltage VOH 2.9 3 V VCC 3.0 V; VIN VIH or VIL; IOH 50 μA; TA 25°C 3
HIGH level output voltage VOH 2.9 V VCC 3.0 V; VIN VIH or VIL; IOH 50 μA; TA -40 to 85°C 3
HIGH level output voltage VOH 2.58 V VCC 3.0 V; VIN VIH or VIL; IOH 4 mA; TA 25°C 3
HIGH level output voltage VOH 2.48 V VCC 3.0 V; VIN VIH or VIL; IOH 4 mA; TA -40 to 85°C 3
LOW level output voltage VOL 0 0.1 V VCC 2.0 V; VIN VIH or VIL; IOL 50 μA; TA 25°C 3
LOW level output voltage VOL 0.1 V VCC 2.0 V; VIN VIH or VIL; IOL 50 μA; TA -40 to 85°C 3
LOW level output voltage VOL 0.36 V VCC 3.0 V; VIN VIH or VIL; IOL 4 mA; TA 25°C 3
LOW level output voltage VOL 0.44 V VCC 3.0 V; VIN VIH or VIL; IOL 4 mA; TA -40 to 85°C 3
3-STATE output off-state current IOZ -0.25 0.25 μA VCC 3.6 V; TA 25°C; VIN VIH or VIL; VOUT VCC or GND 3
3-STATE output off-state current IOZ -2.5 2.5 μA VCC 3.6 V; TA -40 to 85°C; VIN VIH or VIL; VOUT VCC or GND 3
Input leakage current IIN -0.1 0.1 μA VCC 3.6 V; TA 25°C; VIN 5.5 V or GND 3
Input leakage current IIN -1 1 μA VCC 3.6 V; TA -40 to 85°C; VIN 5.5 V or GND 3
Quiescent supply current ICC 40 μA VCC 3.6 V; TA -40 to 85°C; VIN VCC or GND 3
QuGUIet output maximum dynamic VOL VOLP 0.5 0.8 V VCC 3.3 V; CL 50 pF; TA 25°C 3
Minimum HIGH level dynamic input voltage VIHD 2 V VCC 3.3 V; CL 50 pF 3
Maximum LOW level dynamic input voltage VILD 0.8 V VCC 3.3 V; CL 50 pF 3
Input capacitance T/R, OE CIN 4 10 pF TA 25°C 4
Input capacitance T/R, OE CIN 10 pF TA -40 to 85°C 4
Propagation delay time 4.7 6.8 ns VCC 3.3 ±0.3 V; CL 15 pF; TA 25°C 4
Propagation delay time 1 8 ns VCC 3.3 ±0.3 V; CL 15 pF; TA -40 to 85°C 4
Propagation delay time 7.2 10.1 ns VCC 3.3 ±0.3 V; CL 50 pF; TA 25°C 4
Propagation delay time 1 11.5 ns VCC 3.3 ±0.3 V; CL 50 pF; TA -40 to 85°C 4
3-STATE output enable time 7.1 11 ns VCC 3.3 ±0.3 V; CL 15 pF, RL 1 kΩ; TA 25°C 4
3-STATE output enable time 1 13 ns VCC 3.3 ±0.3 V; CL 15 pF, RL 1 kΩ; TA -40 to 85°C 4
3-STATE output enable time 9.6 14.5 ns VCC 3.3 ±0.3 V; CL 50 pF, RL 1 kΩ; TA 25°C 4
3-STATE output enable time 1 16.5 ns VCC 3.3 ±0.3 V; CL 50 pF, RL 1 kΩ; TA -40 to 85°C 4
3-STATE output disable time tPHZ 1 14.5 ns VCC 3.3 ±0.3 V; CL 50 pF, RL 1 kΩ; TA -40 to 85°C 4
Quiescent supply current ICC 4 μA VCC 3.6 V; TA 25°C; VIN VCC or GND 3
Quiet output minimum dynamic VOL (limit 0.8 V printed; sign and bound not shown) VOLV 0.5 V VCC 3.3 V; CL 50 pF; Limit column 0.8 V 3

CAD (KiCad official)

  • Symbol: 74LVX245MTCX
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: 74lvx245mtcx-etched.step / 74lvx245mtcx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74lvx245mtcx.step / 74lvx245mtcx.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (8 pp, sha256 fc4e9b51b00d7319, retrieved 2026-10-21, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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