component
CAVC1T45QDCKRQ1
Public Made by Adomby adom
Texas Instruments Translators, Level Shifters, SC-70-6. 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
markdownCAVC1T45QDCKRQ1
Texas Instruments · Translators, Level Shifters · SC-70-6
CAVC1T45QDCKRQ1 from Texas Instruments, in a SC-70-6. 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, specified for 1.08 V ≤ VCCA ≤ 3.6 V. |
| 2 | GND | power_in | Ground. |
| 3 | A | bidirectional | Input/output A, referenced to VCCA. |
| 4 | B | bidirectional | Input/output B, referenced to VCCB. |
| 5 | DIR | input | Direction-control signal; the DIR input circuit is referenced to VCCA, with high selecting A-to-B and low selecting B-to-A transfer. |
| 6 | VCCB | power_in | B-port supply voltage, specified for 1.08 V ≤ VCCB ≤ 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SC-70-6 |
| Category | Logic |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| High-level output voltage, IOH=-3mA (VCCA=VCCB=1.1V) | VOH | 0.85 | V | IOH = -3mA; VCCA = VCCB = 1.1V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, IOH=-6mA (VCCA=VCCB=1.4V) | VOH | 1.05 | V | IOH = -6mA; VCCA = VCCB = 1.4V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, IOH=-8mA (VCCA=VCCB=1.65V) | VOH | 1.2 | V | IOH = -8mA; VCCA = VCCB = 1.65V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, IOH=-9mA (VCCA=VCCB=2.3V) | VOH | 1.75 | V | IOH = -9mA; VCCA = VCCB = 2.3V; TA = -40°C to 125°C | 6 | ||
| High-level output voltage, IOH=-12mA (VCCA=VCCB=3V) | VOH | 2.3 | V | IOH = -12mA; VCCA = VCCB = 3V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, IOL=100µA | VOL | 0.15 | V | IOL = 100µA; VCCA = VCCB = 1.08V to 3.6V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, IOL=3mA (VCCA=VCCB=1.1V) | VOL | 0.22 | V | IOL = 3mA; VCCA = VCCB = 1.1V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, IOL=6mA (VCCA=VCCB=1.4V) | VOL | 0.31 | V | IOL = 6mA; VCCA = VCCB = 1.4V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, IOL=8mA (VCCA=VCCB=1.65V) | VOL | 0.35 | V | IOL = 8mA; VCCA = VCCB = 1.65V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, IOL=9mA (VCCA=VCCB=2.3V) | VOL | 0.33 | V | IOL = 9mA; VCCA = VCCB = 2.3V; TA = -40°C to 125°C | 6 | ||
| Low-level output voltage, IOL=12mA (VCCA=VCCB=3V) | VOL | 0.4 | V | IOL = 12mA; VCCA = VCCB = 3V; TA = -40°C to 125°C | 6 | ||
| Input leakage current, control inputs (DIR, OE) | II | -1 | 1 | µA | VI = VCCA or GND; VCCA, VCCB = 1.08V to 3.6V; TA = -40°C to 125°C | 6 | |
| Input leakage current, data inputs (Ax, Bx) | II | -1 | 1 | µA | VI = VCCI or GND; VCCA, VCCB = 1.08V to 3.6V; TA = -40°C to 125°C | 6 | |
| Partial-power-down current, A or B port (VCCA=0V, VCCB=0V to 3.6V) | Ioff | -5 | 5 | µA | VI or VO = 0V to 3.6V; VCCA = 0V; VCCB = 0V to 3.6V; TA = -40°C to 125°C | 6 | |
| Partial-power-down current, A or B port (VCCA=0V to 3.6V, VCCB=0V) | Ioff | -5 | 5 | µA | VI or VO = 0V to 3.6V; VCCA = 0V to 3.6V; VCCB = 0V; TA = -40°C to 125°C | 6 | |
| Three-state output current, A or B port | IOZ | -1 | 1 | µA | VI = VCCI or GND; VO = VCCO or GND; OE = VIH; VCCA = VCCB = 3.6V; TA = -40°C to 125°C | 6 | |
| VCCA supply current (VCCA, VCCB = 1.08V to 3.6V) | ICCA | 4 | µA | VI = VCCI or GND; IO = 0; VCCA, VCCB = 1.08V to 3.6V; TA = -40°C to 125°C | 7 | ||
| VCCA supply current (VCCA=0V, VCCB=3.6V) | ICCA | -2 | µA | VI = VCCI or GND; IO = 0; VCCA = 0V; VCCB = 3.6V; TA = -40°C to 125°C | 7 | ||
| VCCA supply current (VCCA=3.6V, VCCB=0V) | ICCA | 2.5 | µA | VI = VCCI or GND; IO = 0; VCCA = 3.6V; VCCB = 0V; TA = -40°C to 125°C | 7 | ||
| VCCB supply current (VCCA, VCCB = 1.08V to 3.6V) | ICCB | 5 | µA | VI = VCCI or GND; IO = 0; VCCA, VCCB = 1.08V to 3.6V; TA = -40°C to 125°C | 7 | ||
| VCCB supply current (VCCA=0V, VCCB=3.6V) | ICCB | 3 | µA | VI = VCCI or GND; IO = 0; VCCA = 0V; VCCB = 3.6V; TA = -40°C to 125°C | 7 | ||
| VCCB supply current (VCCA=3.6V, VCCB=0V) | ICCB | -2 | µA | VI = VCCI or GND; IO = 0; VCCA = 3.6V; VCCB = 0V; TA = -40°C to 125°C | 7 | ||
| Combined supply current ICCA + ICCB | ICCA+ICCB | 8 | µA | VI = VCCI or GND; IO = 0; VCCA, VCCB = 1.08V to 3.6V; TA = -40°C to 125°C | 7 | ||
| VCCA supply voltage A | VCCA | 1.08 | 3.6 | V | 5 | ||
| VCCB supply voltage B | VCCB | 1.08 | 3.6 | V | 5 | ||
| High-level input voltage, data inputs | VIH | 1.6 | V | Data inputs; VCCI = 2V to 2.7V | 5 | ||
| High-level input voltage, data inputs | VIH | 2 | V | Data inputs; VCCI = 2.8V to 3.6V | 5 | ||
| Low-level input voltage, data inputs | VIL | 0.7 | V | Data inputs; VCCI = 2V to 2.7V | 5 | ||
| Low-level input voltage, data inputs | VIL | 0.8 | V | Data inputs; VCCI = 2.8V to 3.6V | 5 | ||
| High-level input voltage, control inputs (referenced to VCCA) | VIH | 1.7 | V | Control inputs; VCCA = 2V to 2.7V | 5 | ||
| High-level input voltage, control inputs (referenced to VCCA) | VIH | 2 | V | Control inputs; VCCA = 2.8V to 3.6V | 5 | ||
| Low-level input voltage, control inputs (referenced to VCCA) | VIL | 0.7 | V | Control inputs; VCCA = 2V to 2.7V | 5 | ||
| Low-level input voltage, control inputs (referenced to VCCA) | VIL | 0.8 | V | Control inputs; VCCA = 2.8V to 3.6V | 5 | ||
| Operating free-air temperature range | TA | -40 | 125 | °C | Natural convection | 5 | |
| Output voltage, three-state | VO | 0 | 3.6 | V | Three-state output | 5 | |
| High-level output current, VCCO=1.08V to 1.32V | IOH | -3 | mA | VCCO = 1.08V to 1.32V | 5 | ||
| High-level output current, VCCO=1.4V to 1.6V | IOH | -6 | mA | VCCO = 1.4V to 1.6V | 5 | ||
| High-level output current, VCCO=1.65V to 1.95V | IOH | -8 | mA | VCCO = 1.65V to 1.95V | 5 | ||
| High-level output current, VCCO=2.3V to 2.7V | IOH | -9 | mA | VCCO = 2.3V to 2.7V | 5 | ||
| High-level output current, VCCO=3V to 3.6V | IOH | -12 | mA | VCCO = 3V to 3.6V | 5 | ||
| Low-level output current, VCCO=1.08V to 1.32V | IOL | 3 | mA | VCCO = 1.08V to 1.32V | 5 | ||
| Low-level output current, VCCO=1.4V to 1.6V | IOL | 6 | mA | VCCO = 1.4V to 1.6V | 5 | ||
| Low-level output current, VCCO=1.65V to 1.95V | IOL | 8 | mA | VCCO = 1.65V to 1.95V | 5 | ||
| Low-level output current, VCCO=2.3V to 2.7V | IOL | 9 | mA | VCCO = 2.3V to 2.7V | 5 | ||
| Low-level output current, VCCO=3V to 3.6V | IOL | 12 | mA | VCCO = 3V to 3.6V | 5 | ||
| Supply voltage B (absolute maximum) | VCCB | -0.5 | 5.5 | V | 4 | ||
| Input voltage, I/O port (A port) | VI | -0.5 | 4.6 | V | I/O port (A port) | 4 | |
| Input voltage, I/O port (B port) | VI | -0.5 | 4.6 | V | I/O port (B port) | 4 | |
| Input voltage, control inputs | VI | -0.5 | 4.6 | V | Control inputs | 4 | |
| Voltage applied to high-impedance or power-off output, A port | VO | -0.5 | 4.6 | V | A port; output in high-impedance or power-off state | 4 | |
| Voltage applied to high-impedance or power-off output, B port | VO | -0.5 | 4.6 | V | B port; output in high-impedance or power-off state | 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 | Through VCC or GND | 4 | ||
| Junction temperature | Tj | 150 | °C | 4 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| Junction-to-ambient thermal resistance, DCK | RθJA | 239.9 | °C/W | DCK (TSC70), 6 pins | 6 | ||
| Junction-to-case (top) thermal resistance, DCK | RθJC(top) | 175 | °C/W | DCK (TSC70), 6 pins | 6 | ||
| Junction-to-board thermal resistance, DCK | RθJB | 94.4 | °C/W | DCK (TSC70), 6 pins | 6 |
CAD (KiCad official)
- Symbol:
CAVC1T45QDCKRQ1 - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SC-70-6 (KiCad packages3D, STEP)
- 3D model files:
cavc1t45qdckrq1-etched.step/cavc1t45qdckrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cavc1t45qdckrq1.step/cavc1t45qdckrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (31 pp, sha256
ba12badadb040d9b, retrieved 2026-10-19, 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).