component
RS541XTSS20-G
Public Made by Adomby adom
Jiangsu RUNIC Tech Buffer/Driver/Transceiver, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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RS541XTSS20-G
Jiangsu RUNIC Tech · Buffer/Driver/Transceiver · TSSOP-20
RS541XTSS20-G from Jiangsu RUNIC Tech, 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 | Output enable, active low; pulling OE1 high places all outputs in 3-state mode. |
| 2 | A0 | input | Data input for the A port. |
| 3 | A1 | input | Data input for the A port. |
| 4 | A2 | input | Data input for the A port. |
| 5 | A3 | input | Data input for the A port. |
| 6 | A4 | input | Data input for the A port. |
| 7 | A5 | input | Data input for the A port. |
| 8 | A6 | input | Data input for the A port. |
| 9 | A7 | input | Data input for the A port. |
| 10 | GND | power_in | Ground reference. |
| 11 | Y7 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 12 | Y6 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 13 | Y5 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 14 | Y4 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 15 | Y3 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 16 | Y2 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 17 | Y1 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 18 | Y0 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 19 | OE2 | input | Output enable, active low; pulling OE2 high places all outputs in 3-state mode. |
| 20 | VCC | power_in | Supply voltage: 1.65V ≤ VCC ≤ 5.5V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu RUNIC Tech |
| Package | TSSOP-20 |
| Category | Logic ICs |
| 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 | 7 | ||
| Input voltage range, A port | VI | -0.5 | 6.5 | V | A port | 7 | |
| Input voltage range, control inputs | VI | -0.5 | 6.5 | V | Control inputs | 7 | |
| Voltage range applied to any output in high-impedance or power-off state, Y port | VO | -0.5 | 6.5 | V | Y port, high-impedance or power-off state | 7 | |
| Input clamp current | IIK | -50 | mA | VI<0 | 7 | ||
| Continuous output current | IO | -50 | 50 | mA | 7 | ||
| Continuous current through VCC or GND | -100 | 100 | mA | 7 | |||
| Junction temperature | TJ | -40 | 150 | °C | 7 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 7 | ||
| Package thermal impedance | θJA | 40 | °C/W | TSSOP-20 | 7 | ||
| Supply voltage | VCC | 1.65 | 5.5 | V | 8 | ||
| High-level input voltage | VIH | 1.7 | V | VCC 2.3V to 2.7V | 8 | ||
| High-level input voltage | VIH | 2 | V | VCC 3V to 3.6V | 8 | ||
| Low-level input voltage | VIL | 0.7 | V | VCC 2.3V to 2.7V | 8 | ||
| Low-level input voltage | VIL | 0.8 | V | VCC 3V to 3.6V | 8 | ||
| Input voltage | VI | 0 | 5.5 | V | 8 | ||
| Output voltage | VO | 0 | V | VCC | 8 | ||
| High-level output current | IOH | -4 | mA | VCC 1.65V to 1.95V | 8 | ||
| High-level output current | IOH | -8 | mA | VCC 2.3V to 2.7V | 8 | ||
| High-level output current | IOH | -24 | mA | VCC 3V to 3.6V | 8 | ||
| High-level output current | IOH | -32 | mA | VCC 4.5V to 5.5V | 8 | ||
| Low-level output current | IOL | 4 | mA | VCC 1.65V to 1.95V | 8 | ||
| Low-level output current | IOL | 8 | mA | VCC 2.3V to 2.7V | 8 | ||
| Low-level output current | IOL | 24 | mA | VCC 3V to 3.6V | 8 | ||
| Low-level output current | IOL | 32 | mA | VCC 4.5V to 5.5V | 8 | ||
| Input transition rise or fall rate, data inputs | Δt/Δv | 20 | ns/V | VCC 1.65V to 1.95V | 8 | ||
| Input transition rise or fall rate, data inputs | Δt/Δv | 10 | ns/V | VCC 3V to 3.6V | 8 | ||
| Input transition rise or fall rate, data inputs | Δt/Δv | 5 | ns/V | VCC 4.5V to 5.5V | 8 | ||
| Operating free-air temperature | TA | -40 | 125 | °C | 8 | ||
| High-level output voltage | VOH | 1.2 | V | IOH = -4mA, VI=VIH, VCC 1.65V | 9 | ||
| High-level output voltage | VOH | 1.9 | V | IOH = -8mA, VI=VIH, VCC 2.3V | 9 | ||
| High-level output voltage | VOH | 2.2 | V | IOH = -24mA, VI=VIH, VCC 3V | 9 | ||
| High-level output voltage | VOH | 3.6 | V | IOH = -32mA, VI=VIH, VCC 4.5V | 9 | ||
| Low-level output voltage | VOL | 0.1 | V | IOL = 100 µA, VI=VIL, VCC 1.65V to 4.5V | 9 | ||
| Low-level output voltage | VOL | 0.45 | V | IOL = 4mA, VI=VIL, VCC 1.65V | 9 | ||
| Low-level output voltage | VOL | 0.4 | V | IOL = 8mA, VI=VIL, VCC 2.3V | 9 | ||
| Low-level output voltage | VOL | 0.85 | V | IOL = 24mA, VI=VIL, VCC 3V | 9 | ||
| Low-level output voltage | VOL | 0.89 | V | IOL = 32mA, VI=VIL, VCC 4.5V | 9 | ||
| Input current | II | -1 | 1 | µA | VI = 5.5V or GND, VCC 5.5V, +25°C | 9 | |
| Off-state input/output current | Ioff | -1 | 1 | µA | VI or VO = 0 to 5.5V, VCC 0V, +25°C | 9 | |
| Off-state input/output current | Ioff | -2 | 2 | µA | VI or VO = 0 to 5.5V, VCC 0V, Full | 9 | |
| High-impedance output current | IOZ | -1 | 1 | µA | VO = VCC or GND, OE=VIH, VCC 1.65V to 5.5V, +25°C | 9 | |
| High-impedance output current | IOZ | -2 | 2 | µA | VO = VCC or GND, OE=VIH, VCC 1.65V to 5.5V, Full | 9 | |
| VCC supply current | ICC | 1 | µA | VI = VCC or GND, IO = 0, VCC 1.65V to 5.5V, +25°C | 9 | ||
| VCC supply current | ICC | 5 | µA | VI = VCC or GND, IO = 0, VCC 1.65V to 5.5V, Full | 9 | ||
| Additional supply current per input at VCC-0.6V | ΔICC | 50 | µA | One A port at VCC, 0.6V, Y port open, VCC 3V to 5.5V, Full | 9 | ||
| Propagation delay An to Yn | tPLH/tPHL | 4.8 | 18 | ns | VCC=1.8V ±0.15V | 10 | |
| Propagation delay An to Yn | tPLH/tPHL | 2.1 | 8.1 | ns | VCC=2.5V ±0.2V | 10 | |
| Propagation delay An to Yn | tPLH/tPHL | 1.8 | 6.3 | ns | VCC=3.3V ±0.3V | 10 | |
| Propagation delay An to Yn | tPLH/tPHL | 1.5 | 4.8 | ns | VCC=5V ±0.5V | 10 | |
| Output disable time OE to Yn | tPHZ/tPLZ | 4.8 | 20.7 | ns | VCC=1.8V ±0.15V | 10 | |
| Output disable time OE to Yn | tPHZ/tPLZ | 2.3 | 8.7 | ns | VCC=2.5V ±0.2V | 10 | |
| Output disable time OE to Yn | tPHZ/tPLZ | 2.1 | 8.5 | ns | VCC=3.3V ±0.3V | 10 | |
| Output disable time OE to Yn | tPHZ/tPLZ | 1.3 | 6.2 | ns | VCC=5V ±0.5V | 10 | |
| Output enable time OE to Yn | tPZH/tPZL | 4.1 | 25.1 | ns | VCC=1.8V ±0.15V | 10 | |
| Output enable time OE to Yn | tPZH/tPZL | 2.4 | 13.2 | ns | VCC=2.5V ±0.2V | 10 | |
| Output enable time OE to Yn | tPZH/tPZL | 1.7 | 10.1 | ns | VCC=3.3V ±0.3V | 10 | |
| Output enable time OE to Yn | tPZH/tPZL | 1.6 | 7.7 | ns | VCC=5V ±0.5V | 10 |
CAD (KiCad official)
- Symbol:
RS541XTSS20-G - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
rs541xtss20-g-etched.step/rs541xtss20-g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rs541xtss20-g.step/rs541xtss20-g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Jiangsu RUNIC Tech datasheet (16 pp, sha256
935975b0a39d0929, retrieved 2026-10-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusoff(skipped (clean text read)), 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).
# RS541XTSS20-G
**Jiangsu RUNIC Tech** · Buffer/Driver/Transceiver · TSSOP-20
RS541XTSS20-G from Jiangsu RUNIC Tech, 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 | Output enable, active low; pulling OE1 high places all outputs in 3-state mode. |
| 2 | A0 | input | Data input for the A port. |
| 3 | A1 | input | Data input for the A port. |
| 4 | A2 | input | Data input for the A port. |
| 5 | A3 | input | Data input for the A port. |
| 6 | A4 | input | Data input for the A port. |
| 7 | A5 | input | Data input for the A port. |
| 8 | A6 | input | Data input for the A port. |
| 9 | A7 | input | Data input for the A port. |
| 10 | GND | power_in | Ground reference. |
| 11 | Y7 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 12 | Y6 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 13 | Y5 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 14 | Y4 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 15 | Y3 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 16 | Y2 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 17 | Y1 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 18 | Y0 | output | Data output; assumes high-impedance OFF-state when the output enables are high. |
| 19 | OE2 | input | Output enable, active low; pulling OE2 high places all outputs in 3-state mode. |
| 20 | VCC | power_in | Supply voltage: 1.65V ≤ VCC ≤ 5.5V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu RUNIC Tech |
| Package | TSSOP-20 |
| Category | Logic ICs |
| 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 | | 7 |
| Input voltage range, A port | VI | -0.5 | | 6.5 | V | A port | 7 |
| Input voltage range, control inputs | VI | -0.5 | | 6.5 | V | Control inputs | 7 |
| Voltage range applied to any output in high-impedance or power-off state, Y port | VO | -0.5 | | 6.5 | V | Y port, high-impedance or power-off state | 7 |
| Input clamp current | IIK | -50 | | | mA | VI<0 | 7 |
| Continuous output current | IO | -50 | | 50 | mA | | 7 |
| Continuous current through VCC or GND | | -100 | | 100 | mA | | 7 |
| Junction temperature | TJ | -40 | | 150 | °C | | 7 |
| Storage temperature | Tstg | -65 | | 150 | °C | | 7 |
| Package thermal impedance | θJA | | | 40 | °C/W | TSSOP-20 | 7 |
| Supply voltage | VCC | 1.65 | | 5.5 | V | | 8 |
| High-level input voltage | VIH | 1.7 | | | V | VCC 2.3V to 2.7V | 8 |
| High-level input voltage | VIH | 2 | | | V | VCC 3V to 3.6V | 8 |
| Low-level input voltage | VIL | | | 0.7 | V | VCC 2.3V to 2.7V | 8 |
| Low-level input voltage | VIL | | | 0.8 | V | VCC 3V to 3.6V | 8 |
| Input voltage | VI | 0 | | 5.5 | V | | 8 |
| Output voltage | VO | 0 | | | V | VCC | 8 |
| High-level output current | IOH | | | -4 | mA | VCC 1.65V to 1.95V | 8 |
| High-level output current | IOH | | | -8 | mA | VCC 2.3V to 2.7V | 8 |
| High-level output current | IOH | | | -24 | mA | VCC 3V to 3.6V | 8 |
| High-level output current | IOH | | | -32 | mA | VCC 4.5V to 5.5V | 8 |
| Low-level output current | IOL | | | 4 | mA | VCC 1.65V to 1.95V | 8 |
| Low-level output current | IOL | | | 8 | mA | VCC 2.3V to 2.7V | 8 |
| Low-level output current | IOL | | | 24 | mA | VCC 3V to 3.6V | 8 |
| Low-level output current | IOL | | | 32 | mA | VCC 4.5V to 5.5V | 8 |
| Input transition rise or fall rate, data inputs | Δt/Δv | | | 20 | ns/V | VCC 1.65V to 1.95V | 8 |
| Input transition rise or fall rate, data inputs | Δt/Δv | | | 10 | ns/V | VCC 3V to 3.6V | 8 |
| Input transition rise or fall rate, data inputs | Δt/Δv | | | 5 | ns/V | VCC 4.5V to 5.5V | 8 |
| Operating free-air temperature | TA | -40 | | 125 | °C | | 8 |
| High-level output voltage | VOH | 1.2 | | | V | IOH = -4mA, VI=VIH, VCC 1.65V | 9 |
| High-level output voltage | VOH | 1.9 | | | V | IOH = -8mA, VI=VIH, VCC 2.3V | 9 |
| High-level output voltage | VOH | 2.2 | | | V | IOH = -24mA, VI=VIH, VCC 3V | 9 |
| High-level output voltage | VOH | 3.6 | | | V | IOH = -32mA, VI=VIH, VCC 4.5V | 9 |
| Low-level output voltage | VOL | | | 0.1 | V | IOL = 100 µA, VI=VIL, VCC 1.65V to 4.5V | 9 |
| Low-level output voltage | VOL | | | 0.45 | V | IOL = 4mA, VI=VIL, VCC 1.65V | 9 |
| Low-level output voltage | VOL | | | 0.4 | V | IOL = 8mA, VI=VIL, VCC 2.3V | 9 |
| Low-level output voltage | VOL | | | 0.85 | V | IOL = 24mA, VI=VIL, VCC 3V | 9 |
| Low-level output voltage | VOL | | | 0.89 | V | IOL = 32mA, VI=VIL, VCC 4.5V | 9 |
| Input current | II | -1 | | 1 | µA | VI = 5.5V or GND, VCC 5.5V, +25°C | 9 |
| Off-state input/output current | Ioff | -1 | | 1 | µA | VI or VO = 0 to 5.5V, VCC 0V, +25°C | 9 |
| Off-state input/output current | Ioff | -2 | | 2 | µA | VI or VO = 0 to 5.5V, VCC 0V, Full | 9 |
| High-impedance output current | IOZ | -1 | | 1 | µA | VO = VCC or GND, OE=VIH, VCC 1.65V to 5.5V, +25°C | 9 |
| High-impedance output current | IOZ | -2 | | 2 | µA | VO = VCC or GND, OE=VIH, VCC 1.65V to 5.5V, Full | 9 |
| VCC supply current | ICC | | | 1 | µA | VI = VCC or GND, IO = 0, VCC 1.65V to 5.5V, +25°C | 9 |
| VCC supply current | ICC | | | 5 | µA | VI = VCC or GND, IO = 0, VCC 1.65V to 5.5V, Full | 9 |
| Additional supply current per input at VCC-0.6V | ΔICC | | | 50 | µA | One A port at VCC, 0.6V, Y port open, VCC 3V to 5.5V, Full | 9 |
| Propagation delay An to Yn | tPLH/tPHL | 4.8 | | 18 | ns | VCC=1.8V ±0.15V | 10 |
| Propagation delay An to Yn | tPLH/tPHL | 2.1 | | 8.1 | ns | VCC=2.5V ±0.2V | 10 |
| Propagation delay An to Yn | tPLH/tPHL | 1.8 | | 6.3 | ns | VCC=3.3V ±0.3V | 10 |
| Propagation delay An to Yn | tPLH/tPHL | 1.5 | | 4.8 | ns | VCC=5V ±0.5V | 10 |
| Output disable time OE to Yn | tPHZ/tPLZ | 4.8 | | 20.7 | ns | VCC=1.8V ±0.15V | 10 |
| Output disable time OE to Yn | tPHZ/tPLZ | 2.3 | | 8.7 | ns | VCC=2.5V ±0.2V | 10 |
| Output disable time OE to Yn | tPHZ/tPLZ | 2.1 | | 8.5 | ns | VCC=3.3V ±0.3V | 10 |
| Output disable time OE to Yn | tPHZ/tPLZ | 1.3 | | 6.2 | ns | VCC=5V ±0.5V | 10 |
| Output enable time OE to Yn | tPZH/tPZL | 4.1 | | 25.1 | ns | VCC=1.8V ±0.15V | 10 |
| Output enable time OE to Yn | tPZH/tPZL | 2.4 | | 13.2 | ns | VCC=2.5V ±0.2V | 10 |
| Output enable time OE to Yn | tPZH/tPZL | 1.7 | | 10.1 | ns | VCC=3.3V ±0.3V | 10 |
| Output enable time OE to Yn | tPZH/tPZL | 1.6 | | 7.7 | ns | VCC=5V ±0.5V | 10 |
## CAD (KiCad official)
- Symbol: `RS541XTSS20-G`
- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`
- 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files: `rs541xtss20-g-etched.step` / `rs541xtss20-g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rs541xtss20-g.step` / `rs541xtss20-g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Jiangsu RUNIC Tech datasheet](docs/rs541xtss20-g-datasheet.pdf) (16 pp, sha256 `935975b0a39d0929`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `off` (skipped (clean text read)), 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/rs541xtss20-g-datasheet.pdf)