component
74LVC540AT20-13
Public Made by Adomby adom
Diodes Incorporated 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
markdown74LVC540AT20-13
Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · TSSOP-20
74LVC540AT20-13 from Diodes Incorporated, 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 | OE1 | input | Active-low output enable 1; when OE1 or OE2 is high, all eight outputs are forced to the high-impedance state. |
| 2 | A1 | input | Data input A1 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 3 | A2 | input | Data input A2 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 4 | A3 | input | Data input A3 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 5 | A4 | input | Data input A4 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 6 | A5 | input | Data input A5 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 7 | A6 | input | Data input A6 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 8 | A7 | input | Data input A7 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 9 | A8 | input | Data input A8 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system. |
| 10 | GND | power_in | Ground reference for the device. |
| 11 | B8 | tri_state | Inverting 3-state data output B8, sinking or sourcing up to 24mA at VCC = 3V. |
| 12 | B7 | tri_state | Inverting 3-state data output B7, sinking or sourcing up to 24mA at VCC = 3V. |
| 13 | B6 | tri_state | Inverting 3-state data output B6, sinking or sourcing up to 24mA at VCC = 3V. |
| 14 | B5 | tri_state | Inverting 3-state data output B5, sinking or sourcing up to 24mA at VCC = 3V. |
| 15 | B4 | tri_state | Inverting 3-state data output B4, sinking or sourcing up to 24mA at VCC = 3V. |
| 16 | B3 | tri_state | Inverting 3-state data output B3, sinking or sourcing up to 24mA at VCC = 3V. |
| 17 | B2 | tri_state | Inverting 3-state data output B2, sinking or sourcing up to 24mA at VCC = 3V. |
| 18 | B1 | tri_state | Inverting 3-state data output B1, sinking or sourcing up to 24mA at VCC = 3V. |
| 19 | OE2 | input | Active-low output enable 2; when OE1 or OE2 is high, all eight outputs are forced to the high-impedance state. |
| 20 | VCC | power_in | Supply voltage, operating range 1.65V to 3.6V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| 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 Range | VCC | -0.5 | 7 | V | 3 | ||
| Input Voltage Range | VI | -0.5 | 7 | V | 3 | ||
| Input Clamp Current | IIK | -20 | mA | VI < 0V | 3 | ||
| Output Clamp Current | IOK | -50 | mA | VO < 0V | 3 | ||
| Continuous Output Current | IO | -50 | 50 | mA | -0.5V < VO VCC +0.5V | 3 | |
| Continuous Current Through VCC | ICC | 100 | mA | 3 | |||
| Continuous Current Through GND | IGND | -100 | mA | 3 | |||
| Operating Junction Temperature | TJ | -40 | 150 | °C | 3 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 3 | ||
| Total Power Dissipation | PTOT | 500 | mW | 3 | |||
| ESD Protection, Human Body Model | ESD HBM | 2 | kV | Human Body Model | 3 | ||
| ESD Protection, Charged Device Model | ESD CDM | 1 | kV | Charged Device Model | 3 | ||
| ESD Protection, Machine Model | ESD MM | 200 | V | Machine Model | 3 | ||
| Supply Voltage Operating | VCC | 1.65 | 3.6 | V | Operating | 3 | |
| Supply Voltage Data Retention | VCC | 1.5 | V | Data Retention Only | 3 | ||
| Input Voltage | VI | 0 | 5.5 | V | 3 | ||
| Output Voltage | VO | 0 | V | 3 | |||
| High-Level Output Current | IOH | -4 | mA | VCC = 1.65V | 3 | ||
| High-Level Output Current | IOH | -8 | mA | VCC = 2.3V | 3 | ||
| High-Level Output Current | IOH | -12 | mA | VCC = 2.7V | 3 | ||
| High-Level Output Current | IOH | -24 | mA | VCC = 3.0V | 3 | ||
| Low-Level Output Current | IOL | 4 | mA | VCC = 1.65V | 3 | ||
| Low-Level Output Current | IOL | 8 | mA | VCC = 2.3V | 3 | ||
| Low-Level Output Current | IOL | 12 | mA | VCC = 2.7V | 3 | ||
| Low-Level Output Current | IOL | 24 | mA | VCC = 3.0V | 3 | ||
| Input Transition Rise or Fall Rate | ∆t/∆V | 10 | ns/V | 3 | |||
| Operating Free-Air Temperature | TA | -40 | 125 | ºC | 3 | ||
| High-Level Input Voltage | VIH | 1.7 | V | VCC 2.3V to 2.7V; TA -40°C to +85°C | 4 | ||
| High-Level Input Voltage | VIH | 2 | V | VCC 3.0V to 3.6V; TA -40°C to +85°C | 4 | ||
| Low-Level Input Voltage | VIL | 0.7 | V | VCC 2.3V to 2.7V; TA -40°C to +85°C | 4 | ||
| Low-Level Input Voltage | VIL | 0.8 | V | VCC 3.0V to 3.6V; TA -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 1.2 | V | IOH = -4mA; VCC 1.65V; TA -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 1.7 | V | IOH = -8mA; VCC 2.3V; TA -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 2.2 | V | IOH = -12mA; VCC 2.7V; TA -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 2.4 | V | IOH = -12mA; VCC 3.0V; TA -40°C to +85°C | 4 | ||
| High-Level Output Voltage | VOH | 2.3 | V | IOH = -24mA; VCC 3.0V; TA -40°C to +85°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.2 | V | IOL = 100μA; VCC 1.65V to 3.6V; TA -40°C to +85°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.45 | V | IOL = 4mA; VCC 1.65V; TA -40°C to +85°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.6 | V | IOL = 8mA; VCC 2.3V; TA -40°C to +85°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.4 | V | IOL = 12mA; VCC 2.7V; TA -40°C to +85°C | 4 | ||
| Low-Level Output Voltage | VOL | 0.55 | V | IOL = 24mA; VCC 3.0V; TA -40°C to +85°C | 4 | ||
| Power Down Leakage Current | IOFF | -10 | 10 | μA | VI or VO = 0 or 5.5V; VCC 0V; TA -40°C to +85°C | 4 | |
| Input Current, Control Pins | II | -5 | 5 | μA | VI = GND or 5.5V; VCC 0 to 3.6V; TA -40°C to +85°C | 4 | |
| Z-state Current, I/O Pins | IOZ | -5 | 5 | μA | VI = GND or 5.5V; VO = 0 to 5.5V; VCC 3.6V; TA -40°C to +85°C | 4 | |
| Supply Current | ICC | 10 | μA | VI = GND or VCC; IO = 0; VCC 3.6V; TA -40°C to +85°C | 4 | ||
| Additional Supply Current | ∆ICC | 500 | μA | One input at VCC -0.6V; IO = 0A; VCC 2.7V to 3.6V; TA -40°C to +85°C | 4 | ||
| Propagation Delay AN to YN | tPD | 1 | 12.2 | ns | Figure 1; VCC 1.8V ± 0.15V; TA -40°C to +85°C | 4 | |
| Propagation Delay AN to YN | tPD | 1 | 8.6 | ns | Figure 1; VCC 2.5V ± 0.3V; TA -40°C to +85°C | 4 | |
| Propagation Delay AN to YN | tPD | 1 | 7.8 | ns | Figure 1; VCC 2.7V; TA -40°C to +85°C | 4 | |
| Propagation Delay AN to YN | tPD | 1.5 | 6.9 | ns | Figure 1; VCC 3.3V ± 0.3V; TA -40°C to +85°C | 4 | |
| Enable Time OE to YN | tEN | 1 | 16.5 | ns | Figure 1; VCC 1.8V ± 0.15V; TA -40°C to +85°C | 4 | |
| Enable Time OE to YN | tEN | 1 | 10.5 | ns | Figure 1; VCC 2.5V ± 0.3V; TA -40°C to +85°C | 4 | |
| Enable Time OE to YN | tEN | 1 | 9 | ns | Figure 1; VCC 2.7V; TA -40°C to +85°C | 4 | |
| Enable Time OE to YN | tEN | 1.5 | 6.6 | ns | Figure 1; VCC 3.3V ± 0.3V; TA -40°C to +85°C | 4 | |
| Disable Time OE to YN | tDIS | 1 | 16.4 | ns | Figure 1; VCC 1.8V ± 0.15V; TA -40°C to +85°C | 4 | |
| Disable Time OE to YN | tDIS | 1 | 9 | ns | Figure 1; VCC 2.5V ± 0.3V; TA -40°C to +85°C | 4 | |
| Disable Time OE to YN | tDIS | 1 | 8.2 | ns | Figure 1; VCC 2.7V; TA -40°C to +85°C | 4 | |
| Disable Time OE to YN | tDIS | 1.7 | 7.4 | ns | Figure 1; VCC 3.3V ± 0.3V; TA -40°C to +85°C | 4 | |
| Thermal Resistance Junction-to-Ambient | θJA | 74 | °C/W | TSSOP-20; Note 9 test board | 5 | ||
| Thermal Resistance Junction-to-Case | θJC | 15 | °C/W | TSSOP-20; Note 9 test board | 5 |
CAD (KiCad official)
- Symbol:
74LVC540AT20-13 - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
74lvc540at20-13-etched.step/74lvc540at20-13-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lvc540at20-13.step/74lvc540at20-13.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (10 pp, sha256
0f80e6cae2d80ea1, retrieved 2026-10-21, tier: manufacturer) - 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).