component
74VHCV245FT
Public Made by Adomby adom
TOSHIBA Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
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README
markdown74VHCV245FT
TOSHIBA · Buffers, Drivers, Receivers, Transceivers · TSSOP-20
74VHCV245FT from TOSHIBA, 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 | DIR | input | Direction control input that sets A-to-B or B-to-A transmission; inputs accept 0 to 5.5 V and have Schmitt hysteresis. |
| 2 | A1 | bidirectional | A bus I/O 1, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 3 | A2 | bidirectional | A bus I/O 2, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 4 | A3 | bidirectional | A bus I/O 3, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 5 | A4 | bidirectional | A bus I/O 4, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 6 | A5 | bidirectional | A bus I/O 5, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 7 | A6 | bidirectional | A bus I/O 6, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 8 | A7 | bidirectional | A bus I/O 7, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 9 | A8 | bidirectional | A bus I/O 8, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 10 | GND | power_in | Ground reference (0 V). |
| 11 | B8 | bidirectional | B bus I/O 8, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 12 | B7 | bidirectional | B bus I/O 7, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 13 | B6 | bidirectional | B bus I/O 6, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 14 | B5 | bidirectional | B bus I/O 5, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 15 | B4 | bidirectional | B bus I/O 4, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 16 | B3 | bidirectional | B bus I/O 3, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 17 | B2 | bidirectional | B bus I/O 2, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 18 | B1 | bidirectional | B bus I/O 1, bidirectional with hysteresis, 0 to 5.5 V on the bus pin, high-impedance when disabled. |
| 19 | G | input | Active-low output enable input (G-bar); high level disables the device and isolates the buses; accepts 0 to 5.5 V. |
| 20 | VCC | power_in | Supply voltage, operating range 1.8 V to 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TOSHIBA |
| 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 | ||
| Input voltage (DIR, G) | VIN | -0.5 | 7 | V | 3 | ||
| Bus I/O voltage | VI/O | -0.5 | 7 | V | OFF state (Note 1) | 3 | |
| Bus I/O voltage | VI/O | -0.5 | V | High (H) or Low (L) state (Note 2); upper limit printed as VCC + 0.5 V | 3 | ||
| Input diode current | IIK | -50 | mA | 3 | |||
| Output diode current | IOK | -50 | 50 | mA | VOUT < GND, VOUT > VCC (Note 3) | 3 | |
| Output current | IOUT | -50 | 50 | mA | High (H) or Low (L) state (Note 2) | 3 | |
| Power dissipation | PD | 180 | mW | Ta = -40 to 85 °C (Note 4); derate -3.25 mW/°C from 85 to 125 °C to 50 mW | 3 | ||
| VCC/ground current | ICC/IGND | -100 | 100 | mA | 3 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Supply voltage | VCC | 1.8 | 5.5 | V | 3 | ||
| Input voltage (DIR, G) | VIN | 0 | 5.5 | V | 3 | ||
| Bus I/O voltage | VI/O | 0 | 5.5 | V | OFF state (Note 1) | 3 | |
| Bus I/O voltage | VI/O | 0 | V | High (H) or Low (L) state (Note 2); upper limit printed as VCC | 3 | ||
| Operating temperature | Topr | -40 | 125 | °C | 3 | ||
| Input rise and fall times | dt/dv | 0 | 20 | ms/V | VCC = 3.3 ±0.3 V | 3 | |
| Input rise and fall times | dt/dv | 0 | 1 | ms/V | VCC = 5.0 ±0.5 V | 3 | |
| 3-state output OFF-state leakage current | IOZ | -0.5 | 0.5 | µA | Ta = 25 °C; VOUT = 0 to 5.5 V; VCC = 1.8 to 5.5 V | 4 | |
| Power-OFF leakage current | IOFF | 0.5 | µA | Ta = 25 °C; VIN/VOUT = 5.5 V; VCC = 0 V | 4 | ||
| Input leakage current | IIN | -0.1 | 0.1 | µA | Ta = 25 °C; VIN = 5.5 V or GND; VCC = 0 to 5.5 V | 4 | |
| Quiescent supply current | ICC | 2 | µA | Ta = 25 °C; VIN = VCC or GND; VCC = 5.5 V | 4 | ||
| 3-state output OFF-state leakage current | IOZ | -5 | 5 | µA | Ta = -40 to 85 °C; VOUT = 0 to 5.5 V; VCC = 1.8 to 5.5 V | 5 | |
| Power-OFF leakage current | IOFF | 5 | µA | Ta = -40 to 85 °C; VIN/VOUT = 5.5 V; VCC = 0 V | 5 | ||
| Input leakage current | IIN | -1 | 1 | µA | Ta = -40 to 85 °C; VIN = 5.5 V or GND; VCC = 0 to 5.5 V | 5 | |
| Quiescent supply current | ICC | 20 | µA | Ta = -40 to 85 °C; VIN = VCC or GND; VCC = 5.5 V | 5 | ||
| 3-state output OFF-state leakage current | IOZ | -20 | 20 | µA | Ta = -40 to 125 °C; VOUT = 0 to 5.5 V; VCC = 1.8 to 5.5 V | 6 | |
| Power-OFF leakage current | IOFF | 20 | µA | Ta = -40 to 125 °C; VIN/VOUT = 5.5 V; VCC = 0 V | 6 | ||
| Input leakage current | IIN | -2 | 2 | µA | Ta = -40 to 125 °C; VIN = 5.5 V or GND; VCC = 0 to 5.5 V | 6 | |
| Quiescent supply current | ICC | 40 | µA | Ta = -40 to 125 °C; VIN = VCC or GND; VCC = 5.5 V | 6 | ||
| High-level output voltage | VOH | 1.7 | V | Ta = 25 °C; IOH = -50 µA; VCC = 1.8 V | 4 | ||
| High-level output voltage | VOH | 2.9 | V | Ta = 25 °C; IOH = -50 µA; VCC = 3.0 V | 4 | ||
| High-level output voltage | VOH | 4.4 | V | Ta = 25 °C; IOH = -50 µA; VCC = 4.5 V | 4 | ||
| High-level output voltage | VOH | 2.58 | V | Ta = 25 °C; IOH = -8 mA; VCC = 3.0 V | 4 | ||
| High-level output voltage | VOH | 3.94 | V | Ta = 25 °C; IOH = -8 mA; VCC = 4.5 V | 4 | ||
| Low-level output voltage | VOL | 0.1 | V | Ta = 25 °C; IOL = 50 µA; VCC = 1.8 V | 4 | ||
| Low-level output voltage | VOL | 0.36 | V | Ta = 25 °C; IOL = 8 mA; VCC = 3.0 V | 4 | ||
| Low-level output voltage | VOL | 0.44 | V | Ta = 25 °C; IOL = 8 mA; VCC = 4.5 V | 4 | ||
| Propagation delay time | tPLH,tPHL | 13 | ns | Ta = 25 °C; CL = 15 pF; VCC = 2.5 ±0.2 V; input tr = tf = 3 ns | 7 | ||
| Propagation delay time | tPLH,tPHL | 15.9 | ns | Ta = 25 °C; CL = 50 pF; VCC = 2.5 ±0.2 V; input tr = tf = 3 ns | 7 | ||
| Propagation delay time | tPLH,tPHL | 8.4 | ns | Ta = 25 °C; CL = 15 pF; VCC = 3.3 ±0.3 V; input tr = tf = 3 ns | 7 | ||
| Propagation delay time | tPLH,tPHL | 11.9 | ns | Ta = 25 °C; CL = 50 pF; VCC = 3.3 ±0.3 V; input tr = tf = 3 ns | 7 | ||
| Propagation delay time | tPLH,tPHL | 5.5 | ns | Ta = 25 °C; CL = 15 pF; VCC = 5.0 ±0.5 V; input tr = tf = 3 ns | 7 | ||
| Propagation delay time | tPLH,tPHL | 7.5 | ns | Ta = 25 °C; CL = 50 pF; VCC = 5.0 ±0.5 V; input tr = tf = 3 ns | 7 | ||
| 3-state output enable time | tPZL,tPZH | 19.9 | ns | Ta = 25 °C; CL = 15 pF; RL = 1 kΩ; VCC = 2.5 ±0.2 V; input tr = tf = 3 ns | 7 | ||
| 3-state output enable time | tPZL,tPZH | 22.7 | ns | Ta = 25 °C; CL = 50 pF; RL = 1 kΩ; VCC = 2.5 ±0.2 V; input tr = tf = 3 ns | 7 | ||
| 3-state output enable time | tPZL,tPZH | 13.2 | ns | Ta = 25 °C; CL = 15 pF; RL = 1 kΩ; VCC = 3.3 ±0.3 V; input tr = tf = 3 ns | 7 | ||
| 3-state output enable time | tPZL,tPZH | 16.7 | ns | Ta = 25 °C; CL = 50 pF; RL = 1 kΩ; VCC = 3.3 ±0.3 V; input tr = tf = 3 ns | 7 | ||
| 3-state output enable time | tPZL,tPZH | 8.5 | ns | Ta = 25 °C; CL = 15 pF; RL = 1 kΩ; VCC = 5.0 ±0.5 V; input tr = tf = 3 ns | 7 | ||
| 3-state output enable time | tPZL,tPZH | 10.6 | ns | Ta = 25 °C; CL = 50 pF; RL = 1 kΩ; VCC = 5.0 ±0.5 V; input tr = tf = 3 ns | 7 | ||
| 3-state output disable time | tPLZ,tPHZ | 23.1 | ns | Ta = 25 °C; CL = 50 pF; RL = 1 kΩ; VCC = 2.5 ±0.2 V; input tr = tf = 3 ns | 7 | ||
| 3-state output disable time | tPLZ,tPHZ | 15.8 | ns | Ta = 25 °C; CL = 50 pF; RL = 1 kΩ; VCC = 3.3 ±0.3 V; input tr = tf = 3 ns | 7 | ||
| 3-state output disable time | tPLZ,tPHZ | 9.7 | ns | Ta = 25 °C; CL = 50 pF; RL = 1 kΩ; VCC = 5.0 ±0.5 V; input tr = tf = 3 ns | 7 | ||
| Output skew | tosLH,tosHL | 2 | ns | Ta = 25 °C; CL = 50 pF; VCC = 2.5 ±0.2 V; Note 1 (guaranteed by design) | 7 | ||
| Output skew | tosLH,tosHL | 1.5 | ns | Ta = 25 °C; CL = 50 pF; VCC = 3.3 ±0.3 V; Note 1 (guaranteed by design) | 7 | ||
| Output skew | tosLH,tosHL | 1 | ns | Ta = 25 °C; CL = 50 pF; VCC = 5.0 ±0.5 V; Note 1 (guaranteed by design) | 7 |
CAD (KiCad official)
- Symbol:
74VHCV245FT - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
74vhcv245ft-etched.step/74vhcv245ft-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74vhcv245ft.step/74vhcv245ft.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TOSHIBA datasheet (11 pp, sha256
726ce051db5ca60e, retrieved 2026-10-18, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).