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74ABT245PW
Public Made by Adomby adom
Nexperia 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
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown74ABT245PW
Nexperia · Buffers, Drivers, Receivers, Transceivers · TSSOP-20
74ABT245PW from Nexperia, 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; with OE LOW, DIR LOW makes An the outputs and Bn the inputs, and DIR HIGH makes Bn the outputs and An the inputs. |
| 2 | A0 | bidirectional | Data input/output A0; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 3 | A1 | bidirectional | Data input/output A1; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 4 | A2 | bidirectional | Data input/output A2; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 5 | A3 | bidirectional | Data input/output A3; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 6 | A4 | bidirectional | Data input/output A4; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 7 | A5 | bidirectional | Data input/output A5; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 8 | A6 | bidirectional | Data input/output A6; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 9 | A7 | bidirectional | Data input/output A7; it drives as an output when OE is LOW and DIR is LOW, and is high-impedance (Z) when OE is HIGH. |
| 10 | GND | power_in | Ground (0 V) reference for the device. |
| 11 | B7 | bidirectional | Data input/output B7; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 12 | B6 | bidirectional | Data input/output B6; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 13 | B5 | bidirectional | Data input/output B5; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 14 | B4 | bidirectional | Data input/output B4; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 15 | B3 | bidirectional | Data input/output B3; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 16 | B2 | bidirectional | Data input/output B2; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 17 | B1 | bidirectional | Data input/output B1; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 18 | B0 | bidirectional | Data input/output B0; it drives as an output when OE is LOW and DIR is HIGH, and is high-impedance (Z) when OE is HIGH. |
| 19 | OE | input | Output enable input, active LOW; a HIGH level forces all outputs into the high-impedance OFF-state. |
| 20 | VCC | power_in | Supply voltage; recommended operating range is 4.5 V to 5.5 V, with absolute maximum of +7.0 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| 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 |
|---|---|---|---|---|---|---|---|
| VCC supply voltage | VCC | -0.5 | 7 | V | 3 | ||
| input voltage | VI | -1.2 | 7 | V | 3 | ||
| output voltage | VO | -0.5 | 5.5 | V | output in OFF-state or HIGH-state | 3 | |
| input clamping current | IIK | -18 | mA | VI < 0 V | 3 | ||
| output clamping current | IOK | -50 | mA | VO < 0 V | 3 | ||
| output current | IO | 128 | mA | output in LOW-state | 3 | ||
| junction temperature | Tj | 150 | °C | 3 | |||
| storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| supply voltage | VCC | 4.5 | 5.5 | V | 4 | ||
| input voltage | VI | 0 | V | 4 | |||
| HIGH-level output current | IOH | -32 | mA | 4 | |||
| LOW-level output current | IOL | 64 | mA | 4 | |||
| input transition rise and fall rate | Δt/ΔV | 0 | 5 | ns/V | 4 | ||
| ambient temperature | Tamb | -40 | 85 | °C | in free air | 4 | |
| input clamping voltage | VIK | -1.2 | -0.9 | V | Tamb = 25 °C; VCC = 4.5 V; IIK = -18 mA | 4 | |
| input clamping voltage | VIK | -1.2 | V | Tamb = −45 °C to +85 °C; VCC = 4.5 V; IIK = -18 mA | 4 | ||
| HIGH-level input voltage | VIH | 2 | V | Tamb = −45 °C to +85 °C | 4 | ||
| LOW-level input voltage | VIL | 0.8 | V | Tamb = −45 °C to +85 °C | 4 | ||
| HIGH-level output voltage | VOH | 2.5 | 2.9 | V | Tamb = 25 °C; VCC = 4.5 V; VI = VIL or VIH; IOH = -3 mA | 4 | |
| HIGH-level output voltage | VOH | 2.5 | V | Tamb = −45 °C to +85 °C; VCC = 4.5 V; VI = VIL or VIH; IOH = -3 mA | 4 | ||
| HIGH-level output voltage | VOH | 2 | 2.4 | V | Tamb = 25 °C; VCC = 4.5 V; VI = VIL or VIH; IOH = -32 mA | 4 | |
| HIGH-level output voltage | VOH | 2 | V | Tamb = −45 °C to +85 °C; VCC = 4.5 V; VI = VIL or VIH; IOH = -32 mA | 4 | ||
| HIGH-level output voltage | VOH | 3 | 3.4 | V | Tamb = 25 °C; VCC = 5.0 V; VI = VIL or VIH; IOH = -3 mA | 4 | |
| HIGH-level output voltage | VOH | 3 | V | Tamb = −45 °C to +85 °C; VCC = 5.0 V; VI = VIL or VIH; IOH = -3 mA | 4 | ||
| LOW-level output voltage | VOL | 0.42 | 0.55 | V | Tamb = 25 °C; VCC = 4.5 V; VI = VIL or VIH; IOL = 64 mA | 4 | |
| LOW-level output voltage | VOL | 0.55 | V | Tamb = −45 °C to +85 °C; VCC = 4.5 V; VI = VIL or VIH; IOL = 64 mA | 4 | ||
| input leakage current (control pins) | II | -1 | 0.01 | 1 | μA | Tamb = 25 °C; control pins; VCC = 5.5 V; VI = GND or 5.5 V | 4 |
| input leakage current (control pins) | II | -1 | 1 | μA | Tamb = −45 °C to +85 °C; control pins; VCC = 5.5 V; VI = GND or 5.5 V | 4 | |
| input leakage current (data pins) | II | -100 | 5 | 100 | μA | Tamb = 25 °C; data pins; VCC = 5.5 V; VI = GND or 5.5 V | 4 |
| input leakage current (data pins) | II | -100 | 100 | μA | Tamb = −45 °C to +85 °C; data pins; VCC = 5.5 V; VI = GND or 5.5 V | 4 | |
| power-off leakage current | IOFF | -100 | 100 | μA | Tamb = −45 °C to +85 °C; VCC = 0 V; VO or VI ≤ 4.5 V | 4 | |
| power-up/power-down output current | IO(pu/pd) | -50 | 50 | μA | Tamb = −45 °C to +85 °C; VCC = 2.0 V; VO = 0.5 V; VI = GND or VCC; OE = don't care | 4 | |
| OFF-state output current (HIGH-state) | IOZ | 50 | μA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; VI = VIL or VIH; output HIGH-state at VO = 2.7 V | 4 | ||
| OFF-state output current (LOW-state) | IOZ | -50 | μA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; VI = VIL or VIH; output LOW-state at VO = 0.5 V | 4 | ||
| output high leakage current | ICEX | 50 | μA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; VO = 5.5 V; VI = GND or VCC | 4 | ||
| output current | IO | -40 | -180 | mA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; VO = 2.5 V | 4 | |
| supply current (outputs HIGH-state) | ICC | 50 | 250 | μA | Tamb = 25 °C; VCC = 5.5 V; VI = GND or VCC; outputs HIGH-state | 5 | |
| supply current (outputs HIGH-state) | ICC | 250 | μA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; VI = GND or VCC; outputs HIGH-state | 5 | ||
| supply current (outputs LOW-state) | ICC | 24 | 30 | mA | Tamb = 25 °C; VCC = 5.5 V; VI = GND or VCC; outputs LOW-state | 5 | |
| supply current (outputs LOW-state) | ICC | 30 | mA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; VI = GND or VCC; outputs LOW-state | 5 | ||
| supply current (outputs disabled) | ICC | 50 | 250 | μA | Tamb = 25 °C; VCC = 5.5 V; VI = GND or VCC; outputs disabled | 5 | |
| supply current (outputs disabled) | ICC | 250 | μA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; VI = GND or VCC; outputs disabled | 5 | ||
| additional supply current (outputs enabled) | ΔICC | 0.5 | 1.5 | mA | Tamb = 25 °C; per input pin; VCC = 5.5 V; outputs enabled; one input at 3.4 V, others at VCC or GND | 5 | |
| additional supply current (outputs enabled) | ΔICC | 1.5 | mA | Tamb = −45 °C to +85 °C; per input pin; VCC = 5.5 V; outputs enabled; one input at 3.4 V, others at VCC or GND | 5 | ||
| additional supply current (outputs disabled, data input) | ΔICC | 50 | 250 | μA | Tamb = 25 °C; VCC = 5.5 V; outputs disabled; one data input at 3.4 V, others at VCC or GND | 5 | |
| additional supply current (outputs disabled, data input) | ΔICC | 250 | μA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; outputs disabled; one data input at 3.4 V, others at VCC or GND | 5 | ||
| additional supply current (outputs disabled, enable input) | ΔICC | 0.5 | 1.5 | mA | Tamb = 25 °C; VCC = 5.5 V; outputs disabled; one enable input at 3.4 V, others at VCC or GND | 5 | |
| additional supply current (outputs disabled, enable input) | ΔICC | 1.5 | mA | Tamb = −45 °C to +85 °C; VCC = 5.5 V; outputs disabled; one enable input at 3.4 V, others at VCC or GND | 5 | ||
| LOW to HIGH propagation delay | tPLH | 1 | 2.2 | 4.1 | ns | Tamb = 25 °C; VCC = 5.0 V; An to Bn or Bn to An; see Fig. 3 | 5 |
| LOW to HIGH propagation delay | tPLH | 1 | 4.6 | ns | Tamb = −40 °C to 85 °C; VCC = 5.0 V ± 0.5 V; An to Bn or Bn to An; see Fig. 3 | 5 | |
| HIGH to LOW propagation delay | tPHL | 1 | 2.9 | 4.2 | ns | Tamb = 25 °C; VCC = 5.0 V; An to Bn or Bn to An; see Fig. 3 | 5 |
| HIGH to LOW propagation delay | tPHL | 1 | 4.6 | ns | Tamb = −40 °C to 85 °C; VCC = 5.0 V ± 0.5 V; An to Bn or Bn to An; see Fig. 3 | 5 | |
| OFF-state to HIGH propagation delay | tPZH | 1.3 | 3 | 4.8 | ns | Tamb = 25 °C; VCC = 5.0 V; OE to An or Bn; see Fig. 4 | 5 |
| OFF-state to HIGH propagation delay | tPZH | 1.3 | 5.3 | ns | Tamb = −40 °C to 85 °C; VCC = 5.0 V ± 0.5 V; OE to An or Bn; see Fig. 4 | 5 | |
| OFF-state to LOW propagation delay | tPZL | 2.3 | 4 | 5.8 | ns | Tamb = 25 °C; VCC = 5.0 V; OE to An or Bn; see Fig. 4 | 5 |
| OFF-state to LOW propagation delay | tPZL | 2.3 | 6.3 | ns | Tamb = −40 °C to 85 °C; VCC = 5.0 V ± 0.5 V; OE to An or Bn; see Fig. 4 | 5 | |
| HIGH to OFF-state propagation delay | tPHZ | 1 | 4.7 | 6.2 | ns | Tamb = 25 °C; VCC = 5.0 V; OE to An or Bn; see Fig. 4 | 5 |
| HIGH to OFF-state propagation delay | tPHZ | 1 | 7.2 | ns | Tamb = −40 °C to 85 °C; VCC = 5.0 V ± 0.5 V; OE to An or Bn; see Fig. 4 | 5 | |
| LOW to OFF-state propagation delay | tPLZ | 1 | 4.1 | 5.8 | ns | Tamb = 25 °C; VCC = 5.0 V; OE to An or Bn; see Fig. 4 | 5 |
| LOW to OFF-state propagation delay | tPLZ | 1 | 6.3 | ns | Tamb = −40 °C to 85 °C; VCC = 5.0 V ± 0.5 V; OE to An or Bn; see Fig. 4 | 5 |
CAD (KiCad official)
- Symbol:
74ABT245PW - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
74abt245pw-etched.step/74abt245pw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74abt245pw.step/74abt245pw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (12 pp, sha256
3dd4e2244054d0aa, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).