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AiP74LVC245TA20.TR
Public Made by Adomby adom
Wuxi I-core Elec 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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Datasheet
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README
markdownAiP74LVC245TA20.TR
Wuxi I-core Elec · Buffers, Drivers, Receivers, Transceivers · TSSOP-20
AiP74LVC245TA20.TR from Wuxi I-core Elec, 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 selects the transmit/receive direction of the 8-bit bus transceiver. |
| 2 | A0 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 3 | A1 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 4 | A2 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 5 | A3 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 6 | A4 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 7 | A5 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 8 | A6 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 9 | A7 | bidirectional | Data input/output on the A-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 10 | GND | power_in | Ground reference (0 V). |
| 11 | B7 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 12 | B6 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 13 | B5 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 14 | B4 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 15 | B3 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 16 | B2 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 17 | B1 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 18 | B0 | bidirectional | Data input/output on the B-side bus; outputs are 3-state and the pin accepts inputs up to 5.5 V. |
| 19 | OE | input | Output enable input, active low; driving it high puts the A and B bus outputs into high impedance. |
| 20 | VCC | power_in | Supply voltage; the recommended operating range is 1.2 V to 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Wuxi I-core Elec |
| 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 | 6.5 | V | 7 | ||
| Input clamp current | IIK | -50 | mA | VI<0V | 7 | ||
| Input voltage | VI | -0.5 | 6.5 | V | 7 | ||
| Output clamp current | IOK | -50 | 50 | mA | VO>VCC或VO<0V | 7 | |
| Output voltage (output high or low) | VO | -0.5 | V | 输出高电平或低电平 | 7 | ||
| Output voltage (three-state) | VO | -0.5 | 6.5 | V | 输出三态 | 7 | |
| Output current | IO | -50 | 50 | mA | VO=0V～VCC | 7 | |
| Supply current | ICC | 100 | mA | 7 | |||
| Ground current | IGND | -100 | mA | 7 | |||
| Storage temperature | Tstg | -65 | 150 | ℃ | 7 | ||
| Total power dissipation | Ptot | 500 | mW | 7 | |||
| Soldering temperature | TL | 260 | ℃ | 10 秒 | 7 | ||
| Supply voltage | VCC | 1.65 | 5.5 | V | 7 | ||
| Functional supply voltage | VCC | 1.2 | 5.5 | V | 功能 | 7 | |
| Input voltage | VI | 0 | 5.5 | V | 7 | ||
| Output voltage (output high or low) | VO | 0 | V | 输出高电平或低电平 | 7 | ||
| Output voltage (three-state) | VO | 0 | 5.5 | V | 输出三态 | 7 | |
| Operating ambient temperature | Tamb | -40 | 125 | ℃ | 7 | ||
| Input rise and fall rate | Δt/ΔV | 0 | 20 | ns/V | VCC=1.2V～2.7V | 7 | |
| Input rise and fall rate | Δt/ΔV | 0 | 10 | ns/V | VCC=2.7V～3.6V | 7 | |
| High-level input voltage | VIH | 1.08 | V | Tamb=-40℃～+125℃; VCC=1.2V | 9 | ||
| High-level input voltage | VIH | 1.7 | V | Tamb=-40℃～+125℃; VCC=2.3V～2.7V | 9 | ||
| High-level input voltage | VIH | 2 | V | Tamb=-40℃～+125℃; VCC=2.7V～3.6V | 9 | ||
| Low-level input voltage | VIL | 0.12 | V | Tamb=-40℃～+125℃; VCC=1.2V | 9 | ||
| Low-level input voltage | VIL | 0.7 | V | Tamb=-40℃～+125℃; VCC=2.3V～2.7V | 9 | ||
| Low-level input voltage | VIL | 0.8 | V | Tamb=-40℃～+125℃; VCC=2.7V～3.6V | 9 | ||
| High-level output voltage | VOH | 1.05 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=-4mA; VCC=1.65V | 9 | ||
| High-level output voltage | VOH | 1.65 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=-8mA; VCC=2.3V | 9 | ||
| High-level output voltage | VOH | 2.05 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=-12mA; VCC=2.7V | 9 | ||
| High-level output voltage | VOH | 2.25 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=-18mA; VCC=3.0V | 9 | ||
| High-level output voltage | VOH | 2 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=-24mA; VCC=3.0V | 9 | ||
| Low-level output voltage | VOL | 0.3 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=100uA; VCC=1.65V～3.6V | 9 | ||
| Low-level output voltage | VOL | 0.65 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=4mA; VCC=1.65V | 9 | ||
| Low-level output voltage | VOL | 0.8 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=8mA; VCC=2.3V | 9 | ||
| Low-level output voltage | VOL | 0.6 | V | Tamb=-40℃～+125℃; VI=VIH或VIL; IO=12mA; VCC=2.7V | 9 | ||
| Input leakage current | II | -20 | 20 | uA | Tamb=-40℃～+125℃; VCC=3.6V; VI=5.5V或GND | 9 | |
| Off-state output current | IOZ | -20 | 20 | uA | Tamb=-40℃～+125℃; VCC=3.6V; VI=VIH或VIL; VO=5.5V或GND | 9 | |
| Power-off leakage current | IOFF | -20 | 20 | uA | Tamb=-40℃～+125℃; VCC=0V; VI或VO=5.5V | 9 | |
| Quiescent supply current | ICC | 40 | uA | Tamb=-40℃～+125℃; VCC=3.6V; VI=VCC或GND; IO=0A | 9 | ||
| Additional supply current per input pin | ΔICC | 5000 | uA | Tamb=-40℃～+125℃; 每个输入引脚; VCC=2.7V～3.6V; VI=VCC-0.6V; IO=0A | 9 | ||
| Propagation delay nAn to nBn / nBn to nAn | tpd | 1.5 | 16.9 | ns | 见图4; Tamb=-40℃～+125℃; VCC=1.65V～1.95V | 11 | |
| Propagation delay nAn to nBn / nBn to nAn | tpd | 1 | 8.7 | ns | 见图4; Tamb=-40℃～+125℃; VCC=2.3V～2.7V | 11 | |
| Propagation delay nAn to nBn / nBn to nAn | tpd | 1.5 | 9.5 | ns | 见图4; Tamb=-40℃～+125℃; VCC=2.7V | 11 | |
| Propagation delay nAn to nBn / nBn to nAn | tpd | 1.5 | 8 | ns | 见图4; Tamb=-40℃～+125℃; VCC=3.0V～3.6V | 11 | |
| Output enable time nOE to nAn/nBn | ten | 1.9 | 22.5 | ns | 见图5; Tamb=-40℃～+125℃; VCC=1.65V～1.95V | 11 | |
| Output enable time nOE to nAn/nBn | ten | 1.5 | 12.4 | ns | 见图5; Tamb=-40℃～+125℃; VCC=2.3V～2.7V | 11 | |
| Output enable time nOE to nAn/nBn | ten | 1.5 | 12 | ns | 见图5; Tamb=-40℃～+125℃; VCC=2.7V | 11 | |
| Output enable time nOE to nAn/nBn | ten | 1.5 | 11 | ns | 见图5; Tamb=-40℃～+125℃; VCC=3.0V～3.6V | 11 | |
| Output disable time nOE to nAn/nBn | tdis | 2.9 | 14.2 | ns | 见图5; Tamb=-40℃～+125℃; VCC=1.65V～1.95V | 11 | |
| Output disable time nOE to nAn/nBn | tdis | 1 | 8.2 | ns | 见图5; Tamb=-40℃～+125℃; VCC=2.3V～2.7V | 11 | |
| Output disable time nOE to nAn/nBn | tdis | 1.5 | 10 | ns | 见图5; Tamb=-40℃～+125℃; VCC=2.7V | 11 | |
| Output disable time nOE to nAn/nBn | tdis | 1.7 | 9 | ns | 见图5; Tamb=-40℃～+125℃; VCC=3.0V～3.6V | 11 | |
| Output skew time | tsk(o) | 1.5 | ns | Tamb=-40℃～+125℃ | 11 |
CAD (KiCad official)
- Symbol:
AiP74LVC245TA20.TR - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
aip74lvc245ta20-tr-etched.step/aip74lvc245ta20-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);aip74lvc245ta20-tr.step/aip74lvc245ta20-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Wuxi I-core Elec datasheet (17 pp, sha256
e9a084b30d5e4255, retrieved 2026-10-22, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).