SN74LVC2T45QDCURQ1In StockTexas Instruments
SN74LVC2T45QDCURQ1 is an automotive-grade dual-bit dual-supply bidirectional bus transceiver with configurable voltage translation and 3-state outputs, supporting 1.2V to 5.5V level shifting. From $0.102, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SN74LVC2T45QDCURQ1 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1020(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-supply bidirectional voltage translation between 1.2V–3.6V (VCCA) and 1.65V–5.5V (VCCB) rails
- AEC-Q100 automotive qualified (Q1 suffix) for reliable operation in harsh environments
- 2-bit bus transceiver with common direction control and 3-state outputs for bus sharing
- Low voltage LVC logic family with max I(ol) of 32mA per output
- Available in compact 8-pin DCU (VSSOP) package for space-constrained designs
Applications
The SN74LVC2T45QDCURQ1 is widely used in automotive electronics for level shifting between mixed-voltage microcontrollers, sensors, and communication buses such as I2C, SPI, and UART. It enables seamless interfacing between 3.3V and 5V logic domains in ADAS modules, body control units, and infotainment systems. Its AEC-Q100 qualification makes it a preferred choice for safety-critical automotive signal translation applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Control Type | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | LVC/LCX/Z |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Logic IC Type | BUS TRANSCEIVER |
| Max I(ol) | 0.032A |
| Number of Bits | 2 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.12,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.004mA |
| Prop. Delay@Nom-Sup | 28.3ns |
| Propagation Delay (tpd) | 3.9ns |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.08V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mainland China, Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What voltage levels does the SN74LVC2T45QDCURQ1 support for translation?
The SN74LVC2T45QDCURQ1 supports voltage translation between 1.2V to 3.6V on the VCCA port and 1.65V to 5.5V on the VCCB port, making it suitable for bridging 1.8V, 2.5V, 3.3V, and 5V logic systems commonly found in automotive and industrial designs.
Is the SN74LVC2T45QDCURQ1 qualified for automotive applications?
Yes, the SN74LVC2T45QDCURQ1 carries the Q1 automotive qualification suffix, meaning it is AEC-Q100 Grade 1 certified. This ensures reliable operation across the extended automotive temperature range and meets the stringent quality requirements for use in vehicle electronics such as ADAS, body control modules, and powertrain systems.
What is the direction control configuration of the SN74LVC2T45QDCURQ1?
The SN74LVC2T45QDCURQ1 uses a common direction control (DIR) pin that simultaneously controls the translation direction for both bits. When DIR is high, data flows from port A to port B; when low, data flows from port B to port A. The output enable (OE) pin can place all outputs in a high-impedance 3-state for bus sharing.
What package does the SN74LVC2T45QDCURQ1 come in?
The SN74LVC2T45QDCURQ1 is available in an 8-pin DCU package (VSSOP, JESD-30 code R-PDSO-G8), which is a very small outline package ideal for space-constrained automotive PCB designs. It is also Pb-free and RoHS compliant with JEDEC e4 rating.
What are common alternatives to the SN74LVC2T45QDCURQ1?
Common alternatives include the SN74LVC2T45 (commercial grade), TXB0102 for automatic direction sensing, and PCA9306 for I2C-specific level shifting. For higher bit counts, the SN74LVC8T245 offers 8-bit translation with a similar dual-supply architecture from Texas Instruments.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9000 | $0.90 |
| 100+ | $0.6236 | $62.36 |
| 250+ | $0.1020 | $25.50 |
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