component
SN74LVC541ADBR
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, SSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SN74LVC541ADBR
Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SSOP-20
SN74LVC541ADBR from Texas Instruments, in a SSOP-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 | Output enable input for the buffer channels, with inputs accepting voltages up to 5.5 V when VCC is 3.3 V. |
| 2 | A1 | input | A1 data input, accepting voltages up to 5.5 V. |
| 3 | A2 | input | A2 data input, accepting voltages up to 5.5 V. |
| 4 | A3 | input | A3 data input, accepting voltages up to 5.5 V. |
| 5 | A4 | input | A4 data input, accepting voltages up to 5.5 V. |
| 6 | A5 | input | A5 data input, accepting voltages up to 5.5 V. |
| 7 | A6 | input | A6 data input, accepting voltages up to 5.5 V. |
| 8 | A7 | input | A7 data input, accepting voltages up to 5.5 V. |
| 9 | A8 | input | A8 data input, accepting voltages up to 5.5 V. |
| 10 | GND | power_in | Ground pin; the continuous current through VCC or GND is limited to ±100 mA. |
| 11 | Y8 | output | Y8 output, with continuous output current limited to ±50 mA. |
| 12 | Y7 | output | Y7 output, with continuous output current limited to ±50 mA. |
| 13 | Y6 | output | Y6 output, with continuous output current limited to ±50 mA. |
| 14 | Y5 | output | Y5 output, with continuous output current limited to ±50 mA. |
| 15 | Y4 | output | Y4 output, with continuous output current limited to ±50 mA. |
| 16 | Y3 | output | Y3 output, with continuous output current limited to ±50 mA. |
| 17 | Y2 | output | Y2 output, with continuous output current limited to ±50 mA. |
| 18 | Y1 | output | Y1 output, with continuous output current limited to ±50 mA. |
| 19 | OE2 | input | Output enable input for the second group of buffer channels, with inputs accepting voltages up to 5.5 V when VCC is 3.3 V. |
| 20 | VCC | power_in | Power supply pin; the device operates from 1.65 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-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 | 6.5 | V | 4 | ||
| Input voltage range | VI | -0.5 | 6.5 | V | 4 | ||
| Voltage applied to any output in the high-impedance or power-off state | VO | -0.5 | 6.5 | V | 4 | ||
| Voltage applied to any output in the high or low state | VO | -0.5 | V | Printed maximum is VCC + 0.5 V | 4 | ||
| Input clamp current | IIK | -50 | mA | VI < 0 | 4 | ||
| Output clamp current | IOK | -50 | mA | VO < 0 | 4 | ||
| Continuous output current | IO | -50 | 50 | mA | 4 | ||
| Continuous current through VCC or GND | -100 | 100 | mA | 4 | |||
| Storage temperature range | Tstg | -65 | 150 | °C | 4 | ||
| Electrostatic discharge, human body model | V(ESD) | 0 | 2000 | V | Human body model (HBM), ANSI/ESDA/JEDEC JS-001, all pins | 4 | |
| Electrostatic discharge, charged device model | V(ESD) | 0 | 1000 | V | Charged device model (CDM), JESD22-C101, all pins | 4 | |
| Operating supply voltage | VCC | 1.65 | 3.6 | V | Operating, SN74LVC541A | 5 | |
| Data retention supply voltage | VCC | 1.5 | V | Data retention only | 5 | ||
| High-level input voltage | VIH | 1.7 | V | VCC = 2.3 V to 2.7 V | 5 | ||
| High-level input voltage | VIH | 2 | V | VCC = 2.7 V to 3.6 V | 5 | ||
| Low-level input voltage | VIL | 0.7 | V | VCC = 2.3 V to 2.7 V | 5 | ||
| Low-level input voltage | VIL | 0.8 | V | VCC = 2.7 V to 3.6 V | 5 | ||
| Input voltage range | VI | 0 | 5.5 | V | 5 | ||
| Output voltage, high or low state | VO | 0 | V | High or low state; printed maximum is VCC | 5 | ||
| Output voltage, 3-state | VO | 0 | 5.5 | V | 3-state | 5 | |
| High-level output current | IOH | -4 | mA | VCC = 1.65 V | 5 | ||
| High-level output current | IOH | -8 | mA | VCC = 2.3 V | 5 | ||
| High-level output current | IOH | -12 | mA | VCC = 2.7 V | 5 | ||
| High-level output current | IOH | -24 | mA | VCC = 3 V | 5 | ||
| Low-level output current | IOL | 4 | mA | VCC = 1.65 V | 5 | ||
| Low-level output current | IOL | 8 | mA | VCC = 2.3 V | 5 | ||
| Low-level output current | IOL | 12 | mA | VCC = 2.7 V | 5 | ||
| Low-level output current | IOL | 24 | mA | VCC = 3 V | 5 | ||
| Operating free-air temperature | TA | -40 | 125 | °C | SN74LVC541A | 5 | |
| High-level output voltage | VOH | 1.2 | V | IOH = -4 mA, VCC = 1.65 V | 6 | ||
| High-level output voltage | VOH | 1.7 | V | IOH = -8 mA, VCC = 2.3 V | 6 | ||
| High-level output voltage | VOH | 2.2 | V | IOH = -12 mA, VCC = 2.7 V | 6 | ||
| Low-level output voltage | VOL | 0.2 | V | IOL = 100 μA, VCC = 1.65 V to 3.6 V | 6 | ||
| Low-level output voltage | VOL | 0.45 | V | IOL = 4 mA, VCC = 1.65 V | 6 | ||
| Low-level output voltage | VOL | 0.7 | V | IOL = 8 mA, VCC = 2.3 V | 6 | ||
| Low-level output voltage | VOL | 0.4 | V | IOL = 12 mA, VCC = 2.7 V | 6 | ||
| Low-level output voltage | VOL | 0.55 | V | IOL = 24 mA, VCC = 3 V | 6 | ||
| Input current | II | -5 | 5 | μA | VI = 0 to 5.5 V, VCC = 3.6 V | 6 | |
| Power-off output leakage current | Ioff | -10 | 10 | μA | VI or VO = 5.5 V, VCC = 0 | 6 | |
| High-impedance output current | IOZ | -10 | 10 | μA | VO = 0 to 5.5 V, VCC = 3.6 V | 6 | |
| Quiescent supply current | ICC | 10 | μA | VI = VCC or GND, IO = 0, VCC = 3.6 V | 6 | ||
| Additional quiescent supply current per input | ΔICC | 500 | μA | One input at VCC, 0.6 V, other inputs at VCC or GND, VCC = 2.7 V to 3.6 V | 6 | ||
| Propagation delay A to Y | tpd | 1 | 16.3 | ns | VCC = 1.8 V ±0.15 V, -40°C to 125°C, see Figure 3 | 7 | |
| Propagation delay A to Y | tpd | 1 | 8.3 | ns | VCC = 2.5 V ±0.2 V, -40°C to 125°C, see Figure 3 | 7 | |
| Propagation delay A to Y | tpd | 1 | 6.1 | ns | VCC = 2.7 V, -40°C to 125°C, see Figure 3 | 7 | |
| Propagation delay A to Y | tpd | 1 | 5.6 | ns | VCC = 3.3 V ±0.3 V, -40°C to 125°C, see Figure 3 | 7 | |
| Enable time OE to Y | ten | 1 | 18.5 | ns | VCC = 1.8 V ±0.15 V, -40°C to 125°C, see Figure 3 | 7 | |
| Enable time OE to Y | ten | 1 | 11.1 | ns | VCC = 2.5 V ±0.2 V, -40°C to 125°C, see Figure 3 | 7 | |
| Enable time OE to Y | ten | 1 | 8 | ns | VCC = 2.7 V, -40°C to 125°C, see Figure 3 | 7 | |
| Enable time OE to Y | ten | 1 | 7.5 | ns | VCC = 3.3 V ±0.3 V, -40°C to 125°C, see Figure 3 | 7 | |
| Disable time OE to Y | tdis | 1 | 17.3 | ns | VCC = 1.8 V ±0.15 V, -40°C to 125°C, see Figure 3 | 7 | |
| Disable time OE to Y | tdis | 1 | 9.7 | ns | VCC = 2.5 V ±0.2 V, -40°C to 125°C, see Figure 3 | 7 | |
| Disable time OE to Y | tdis | 1 | 8.2 | ns | VCC = 2.7 V, -40°C to 125°C, see Figure 3 | 7 | |
| Disable time OE to Y | tdis | 1 | 7.5 | ns | VCC = 3.3 V ±0.3 V, -40°C to 125°C, see Figure 3 | 7 | |
| Thermal resistance, junction-to-ambient (DB package) | RθJA | 112.1 | °C/W | DB package, SSOP-20 | 5 | ||
| Thermal resistance, junction-to-case (top) (DB package) | RθJC(top) | 73.6 | °C/W | DB package, SSOP-20 | 5 | ||
| Thermal resistance, junction-to-board (DB package) | RθJB | 67.3 | °C/W | DB package, SSOP-20 | 5 |
CAD (KiCad official)
- Symbol:
SN74LVC541ADBR - Footprint:
Adom_Gen:Texas_Instruments_SN74 - 3D model: SSOP-20 (KiCad packages3D, STEP)
- 3D model files:
sn74lvc541adbr-etched.step/sn74lvc541adbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74lvc541adbr.step/sn74lvc541adbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (36 pp, sha256
363363f57d986c13, retrieved 2026-10-18, 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).
# SN74LVC541ADBR
**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · SSOP-20
SN74LVC541ADBR from Texas Instruments, in a SSOP-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 | Output enable input for the buffer channels, with inputs accepting voltages up to 5.5 V when VCC is 3.3 V. |
| 2 | A1 | input | A1 data input, accepting voltages up to 5.5 V. |
| 3 | A2 | input | A2 data input, accepting voltages up to 5.5 V. |
| 4 | A3 | input | A3 data input, accepting voltages up to 5.5 V. |
| 5 | A4 | input | A4 data input, accepting voltages up to 5.5 V. |
| 6 | A5 | input | A5 data input, accepting voltages up to 5.5 V. |
| 7 | A6 | input | A6 data input, accepting voltages up to 5.5 V. |
| 8 | A7 | input | A7 data input, accepting voltages up to 5.5 V. |
| 9 | A8 | input | A8 data input, accepting voltages up to 5.5 V. |
| 10 | GND | power_in | Ground pin; the continuous current through VCC or GND is limited to ±100 mA. |
| 11 | Y8 | output | Y8 output, with continuous output current limited to ±50 mA. |
| 12 | Y7 | output | Y7 output, with continuous output current limited to ±50 mA. |
| 13 | Y6 | output | Y6 output, with continuous output current limited to ±50 mA. |
| 14 | Y5 | output | Y5 output, with continuous output current limited to ±50 mA. |
| 15 | Y4 | output | Y4 output, with continuous output current limited to ±50 mA. |
| 16 | Y3 | output | Y3 output, with continuous output current limited to ±50 mA. |
| 17 | Y2 | output | Y2 output, with continuous output current limited to ±50 mA. |
| 18 | Y1 | output | Y1 output, with continuous output current limited to ±50 mA. |
| 19 | OE2 | input | Output enable input for the second group of buffer channels, with inputs accepting voltages up to 5.5 V when VCC is 3.3 V. |
| 20 | VCC | power_in | Power supply pin; the device operates from 1.65 V to 3.6 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-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 | | 6.5 | V | | 4 |
| Input voltage range | VI | -0.5 | | 6.5 | V | | 4 |
| Voltage applied to any output in the high-impedance or power-off state | VO | -0.5 | | 6.5 | V | | 4 |
| Voltage applied to any output in the high or low state | VO | -0.5 | | | V | Printed maximum is VCC + 0.5 V | 4 |
| Input clamp current | IIK | -50 | | | mA | VI < 0 | 4 |
| Output clamp current | IOK | -50 | | | mA | VO < 0 | 4 |
| Continuous output current | IO | -50 | | 50 | mA | | 4 |
| Continuous current through VCC or GND | | -100 | | 100 | mA | | 4 |
| Storage temperature range | Tstg | -65 | | 150 | °C | | 4 |
| Electrostatic discharge, human body model | V(ESD) | 0 | | 2000 | V | Human body model (HBM), ANSI/ESDA/JEDEC JS-001, all pins | 4 |
| Electrostatic discharge, charged device model | V(ESD) | 0 | | 1000 | V | Charged device model (CDM), JESD22-C101, all pins | 4 |
| Operating supply voltage | VCC | 1.65 | | 3.6 | V | Operating, SN74LVC541A | 5 |
| Data retention supply voltage | VCC | 1.5 | | | V | Data retention only | 5 |
| High-level input voltage | VIH | 1.7 | | | V | VCC = 2.3 V to 2.7 V | 5 |
| High-level input voltage | VIH | 2 | | | V | VCC = 2.7 V to 3.6 V | 5 |
| Low-level input voltage | VIL | | | 0.7 | V | VCC = 2.3 V to 2.7 V | 5 |
| Low-level input voltage | VIL | | | 0.8 | V | VCC = 2.7 V to 3.6 V | 5 |
| Input voltage range | VI | 0 | | 5.5 | V | | 5 |
| Output voltage, high or low state | VO | 0 | | | V | High or low state; printed maximum is VCC | 5 |
| Output voltage, 3-state | VO | 0 | | 5.5 | V | 3-state | 5 |
| High-level output current | IOH | -4 | | | mA | VCC = 1.65 V | 5 |
| High-level output current | IOH | -8 | | | mA | VCC = 2.3 V | 5 |
| High-level output current | IOH | -12 | | | mA | VCC = 2.7 V | 5 |
| High-level output current | IOH | -24 | | | mA | VCC = 3 V | 5 |
| Low-level output current | IOL | | | 4 | mA | VCC = 1.65 V | 5 |
| Low-level output current | IOL | | | 8 | mA | VCC = 2.3 V | 5 |
| Low-level output current | IOL | | | 12 | mA | VCC = 2.7 V | 5 |
| Low-level output current | IOL | | | 24 | mA | VCC = 3 V | 5 |
| Operating free-air temperature | TA | -40 | | 125 | °C | SN74LVC541A | 5 |
| High-level output voltage | VOH | 1.2 | | | V | IOH = -4 mA, VCC = 1.65 V | 6 |
| High-level output voltage | VOH | 1.7 | | | V | IOH = -8 mA, VCC = 2.3 V | 6 |
| High-level output voltage | VOH | 2.2 | | | V | IOH = -12 mA, VCC = 2.7 V | 6 |
| Low-level output voltage | VOL | | | 0.2 | V | IOL = 100 μA, VCC = 1.65 V to 3.6 V | 6 |
| Low-level output voltage | VOL | | | 0.45 | V | IOL = 4 mA, VCC = 1.65 V | 6 |
| Low-level output voltage | VOL | | | 0.7 | V | IOL = 8 mA, VCC = 2.3 V | 6 |
| Low-level output voltage | VOL | | | 0.4 | V | IOL = 12 mA, VCC = 2.7 V | 6 |
| Low-level output voltage | VOL | | | 0.55 | V | IOL = 24 mA, VCC = 3 V | 6 |
| Input current | II | -5 | | 5 | μA | VI = 0 to 5.5 V, VCC = 3.6 V | 6 |
| Power-off output leakage current | Ioff | -10 | | 10 | μA | VI or VO = 5.5 V, VCC = 0 | 6 |
| High-impedance output current | IOZ | -10 | | 10 | μA | VO = 0 to 5.5 V, VCC = 3.6 V | 6 |
| Quiescent supply current | ICC | | | 10 | μA | VI = VCC or GND, IO = 0, VCC = 3.6 V | 6 |
| Additional quiescent supply current per input | ΔICC | | | 500 | μA | One input at VCC, 0.6 V, other inputs at VCC or GND, VCC = 2.7 V to 3.6 V | 6 |
| Propagation delay A to Y | tpd | 1 | | 16.3 | ns | VCC = 1.8 V ±0.15 V, -40°C to 125°C, see Figure 3 | 7 |
| Propagation delay A to Y | tpd | 1 | | 8.3 | ns | VCC = 2.5 V ±0.2 V, -40°C to 125°C, see Figure 3 | 7 |
| Propagation delay A to Y | tpd | 1 | | 6.1 | ns | VCC = 2.7 V, -40°C to 125°C, see Figure 3 | 7 |
| Propagation delay A to Y | tpd | 1 | | 5.6 | ns | VCC = 3.3 V ±0.3 V, -40°C to 125°C, see Figure 3 | 7 |
| Enable time OE to Y | ten | 1 | | 18.5 | ns | VCC = 1.8 V ±0.15 V, -40°C to 125°C, see Figure 3 | 7 |
| Enable time OE to Y | ten | 1 | | 11.1 | ns | VCC = 2.5 V ±0.2 V, -40°C to 125°C, see Figure 3 | 7 |
| Enable time OE to Y | ten | 1 | | 8 | ns | VCC = 2.7 V, -40°C to 125°C, see Figure 3 | 7 |
| Enable time OE to Y | ten | 1 | | 7.5 | ns | VCC = 3.3 V ±0.3 V, -40°C to 125°C, see Figure 3 | 7 |
| Disable time OE to Y | tdis | 1 | | 17.3 | ns | VCC = 1.8 V ±0.15 V, -40°C to 125°C, see Figure 3 | 7 |
| Disable time OE to Y | tdis | 1 | | 9.7 | ns | VCC = 2.5 V ±0.2 V, -40°C to 125°C, see Figure 3 | 7 |
| Disable time OE to Y | tdis | 1 | | 8.2 | ns | VCC = 2.7 V, -40°C to 125°C, see Figure 3 | 7 |
| Disable time OE to Y | tdis | 1 | | 7.5 | ns | VCC = 3.3 V ±0.3 V, -40°C to 125°C, see Figure 3 | 7 |
| Thermal resistance, junction-to-ambient (DB package) | RθJA | | 112.1 | | °C/W | DB package, SSOP-20 | 5 |
| Thermal resistance, junction-to-case (top) (DB package) | RθJC(top) | | 73.6 | | °C/W | DB package, SSOP-20 | 5 |
| Thermal resistance, junction-to-board (DB package) | RθJB | | 67.3 | | °C/W | DB package, SSOP-20 | 5 |
## CAD (KiCad official)
- Symbol: `SN74LVC541ADBR`
- Footprint: `Adom_Gen:Texas_Instruments_SN74`
- 3D model: SSOP-20 (KiCad packages3D, STEP)
- 3D model files: `sn74lvc541adbr-etched.step` / `sn74lvc541adbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lvc541adbr.step` / `sn74lvc541adbr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74lvc541adbr.pdf) (36 pp, sha256 `363363f57d986c13`, retrieved 2026-10-18, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/sn74lvc541adbr-datasheet.pdf)