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RS2T45XVS8
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Jiangsu RUNIC Tech Buffers, Drivers, Receivers, Transceivers, VSSOP-8. 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
markdownRS2T45XVS8
Jiangsu RUNIC Tech · Buffers, Drivers, Receivers, Transceivers · VSSOP-8
RS2T45XVS8 from Jiangsu RUNIC Tech, in a VSSOP-8. 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 | VCCA | power_in | A port supply voltage, 1.65V ≤ VCCA ≤ 5.5V; the A port and DIR are designed to track VCCA. |
| 2 | A1 | bidirectional | Input/output A1, referenced to VCCA. |
| 3 | A2 | bidirectional | Input/output A2, referenced to VCCA. |
| 4 | GND | power_in | Ground; if either VCCA or VCCB is at GND level the device goes into suspend mode with both ports in the high-impedance state. |
| 5 | DIR | input | Direction control referenced to VCCA; DIR low enables the B-port outputs (B to A) and DIR high enables the A-port outputs (A to B). |
| 6 | B2 | bidirectional | Input/output B2, referenced to VCCB. |
| 7 | B1 | bidirectional | Input/output B1, referenced to VCCB. |
| 8 | VCCB | power_in | B port supply voltage, 1.65V ≤ VCCB ≤ 5.5V; the B port tracks VCCB. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu RUNIC Tech |
| Package | VSSOP-8 |
| Category | Logic |
| Pins | 8 |
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, VCCA | VCCA | -0.5 | 6.5 | V | 4 | ||
| Supply voltage range, VCCB | VCCB | -0.5 | 6.5 | V | 4 | ||
| Input voltage range, A port | VI | -0.5 | 6.5 | V | A port | 4 | |
| Input voltage range, B port | VI | -0.5 | 6.5 | V | B port | 4 | |
| Voltage range applied to output in high-impedance or power-off state, A port | VO | -0.5 | V | High-impedance or power-off state; max printed as VCCA+0.5 | 4 | ||
| Voltage range applied to output in high-impedance or power-off state, B port | VO | -0.5 | V | High-impedance or power-off state; max printed as VCCB+0.5 | 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 VCCA, VCCB or GND | -100 | 100 | mA | 4 | |||
| Junction temperature | TJ | 150 | °C | 4 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| Supply voltage | VCCA | 1.65 | 5.5 | V | 6 | ||
| High-level input voltage, A&B-port I/Os | VIH | 1.7 | V | VCCI 2.3V to 2.7V | 6 | ||
| High-level input voltage, A&B-port I/Os | VIH | 2 | V | VCCI 3V to 3.6V | 6 | ||
| Low-level input voltage, A&B-port I/Os | VIL | 0.7 | V | VCCI 2.3V to 2.7V | 6 | ||
| Low-level input voltage, A&B-port I/Os | VIL | 0.8 | V | VCCI 3V to 3.6V | 6 | ||
| High-level input voltage, DIR (referenced to VCCA) | VIH | 1.7 | V | VCCA 2.3V to 2.7V | 6 | ||
| High-level input voltage, DIR (referenced to VCCA) | VIH | 2 | V | VCCA 3V to 3.6V | 6 | ||
| Low-level input voltage, DIR (referenced to VCCA) | VIL | 0.7 | V | VCCA 2.3V to 2.7V | 6 | ||
| Low-level input voltage, DIR (referenced to VCCA) | VIL | 0.8 | V | VCCA 3V to 3.6V | 6 | ||
| High-level output current | IOH | -4 | mA | VCCO 1.65V to 1.95V | 6 | ||
| High-level output current | IOH | -8 | mA | VCCO 2.3V to 2.7V | 6 | ||
| High-level output current | IOH | -24 | mA | VCCO 3V to 3.6V | 6 | ||
| High-level output current | IOH | -32 | mA | VCCO 4.5V to 5.5V | 6 | ||
| Low-level output current | IOL | 4 | mA | VCCO 1.65V to 1.95V | 6 | ||
| Low-level output current | IOL | 8 | mA | VCCO 2.3V to 2.7V | 6 | ||
| Low-level output current | IOL | 24 | mA | VCCO 3V to 3.6V | 6 | ||
| Low-level output current | IOL | 32 | mA | VCCO 4.5V to 5.5V | 6 | ||
| Input transition rise or fall rate, data inputs | Δt/Δv | 20 | ns/V | VCCI 1.65V to 1.95V | 6 | ||
| Input transition rise or fall rate, data inputs | Δt/Δv | 10 | ns/V | VCCI 3V to 3.6V | 6 | ||
| Input transition rise or fall rate, data inputs | Δt/Δv | 5 | ns/V | VCCI 4.5V to 5.5V | 6 | ||
| Operating free-air temperature | TA | -40 | 125 | °C | 6 | ||
| High-level output voltage | VOH | 1.2 | V | IOH = -4mA, VI =VIH, VCCA 1.65V, VCCB 1.65V | 7 | ||
| High-level output voltage | VOH | 1.9 | V | IOH = -8mA, VI =VIH, VCCA 2.3V, VCCB 2.3V | 7 | ||
| High-level output voltage | VOH | 2.4 | V | IOH = -24mA, VI =VIH, VCCA 3V, VCCB 3V | 7 | ||
| High-level output voltage | VOH | 3.8 | V | IOH = -32mA, VI =VIH, VCCA 4.5V, VCCB 4.5V | 7 | ||
| Low-level output voltage | VOL | 0.1 | V | IOL = 100 µA, VI =VIL, VCCA 1.65V to 4.5V, VCCB 1.65V to 4.5V | 7 | ||
| Low-level output voltage | VOL | 0.45 | V | IOL = 4mA, VI =VIL, VCCA 1.65V, VCCB 1.65V | 7 | ||
| Low-level output voltage | VOL | 0.3 | V | IOL = 8mA, VI =VIL, VCCA 2.3V, VCCB 2.3V | 7 | ||
| Low-level output voltage | VOL | 0.55 | V | IOL = 24mA, VI =VIL, VCCA 3V, VCCB 3V | 7 | ||
| DIR input leakage current | II | -1 | 1 | µA | VI = VCCA or GND, VCCA 1.65V to 5.5V, VCCB 1.65V to 5.5V, +25C | 7 | |
| DIR input leakage current | II | -2 | 2 | µA | VI = VCCA or GND, VCCA 1.65V to 5.5V, VCCB 1.65V to 5.5V, full temperature range | 7 | |
| Power-off leakage current, A or B port | Ioff | -1 | 1 | µA | VI or VO = 0 to 5.5V, +25C | 7 | |
| Power-off leakage current, A or B port | Ioff | -2 | 2 | µA | VI or VO = 0 to 5.5V, full temperature range | 7 | |
| Off-state output current, A or B port | IOZ | -1 | 1 | µA | VO = VCCO or GND, VCCA 1.65V to 5.5V, VCCB 1.65V to 5.5V, +25C | 7 | |
| Off-state output current, A or B port | IOZ | -2 | 2 | µA | VO = VCCO or GND, VCCA 1.65V to 5.5V, VCCB 1.65V to 5.5V, full temperature range | 7 | |
| VCCA supply current | ICCA | 3 | µA | VI = VCCI or GND, IO = 0, VCCA 1.65V to 5.5V, VCCB 2.3V to 5.5V, full temperature range | 7 | ||
| VCCA supply current | ICCA | 2 | µA | VI = VCCI or GND, IO = 0, VCCA 5V, VCCB 0V, full temperature range | 7 | ||
| VCCA supply current | ICCA | -2 | µA | VI = VCCI or GND, IO = 0, VCCA 0V, VCCB 5.5V, full temperature range | 7 | ||
| VCCB supply current | ICCB | 3 | µA | VI = VCCI or GND, IO = 0, VCCA 1.65V to 5.5V, VCCB 1.65V to 5.5V, full temperature range | 7 | ||
| VCCB supply current | ICCB | -2 | µA | VI = VCCI or GND, IO = 0, VCCA 5V, VCCB 0V, full temperature range | 7 | ||
| VCCB supply current | ICCB | 2 | µA | VI = VCCI or GND, IO = 0, VCCA 0V, VCCB 5V, full temperature range | 7 | ||
| Combined supply current | ICCA + ICCB | 4 | µA | VI = VCCI or GND, IO = 0, VCCA 1.65V to 5.5V, VCCB 1.65V to 5.5V, full temperature range | 7 | ||
| Additional supply current per A port input at VCCA, 0.6 V | ΔICCA | 50 | µA | One A port at VCCA, 0.6 V, DIR at VCCA, B port open, VCCA and VCCB 3V to 5.5V, full temperature range | 7 | ||
| Additional supply current, DIR input at VCCA, 0.6 V | 50 | µA | DIR at VCCA, 0.6 V, B port open, A port at VCCA or GND, full temperature range | 7 | |||
| Additional supply current per B port input at VCCB, 0.6 V | ΔICCB | 50 | µA | One B port at VCCB, 0.6 V, DIR at GND, A port open, VCCA and VCCB 3V to 5.5V, full temperature range | 7 |
CAD (KiCad official)
- Symbol:
RS2T45XVS8 - Footprint:
Package_SO:VSSOP-8_2.3x2mm_P0.5mm - 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
rs2t45xvs8-etched.step/rs2t45xvs8-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rs2t45xvs8.step/rs2t45xvs8.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Jiangsu RUNIC Tech datasheet (17 pp, sha256
e02b170617fa8783, retrieved 2026-10-18, 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).