SN74LVC245ADWR Texas Instruments In Stock
SN74LVC245ADWR is a 8-bit bidirectional bus transceiver with 3-state outputs by Texas Instruments. Key specs: 1.65V–5.5V supply voltage, ±24mA output drive, 2.4ns propagation delay. From $0.1455, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.1455(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74LVC245ADWR?
- 8-bit bidirectional data bus transceiver with direction control pin (DIR)
- Wide supply voltage range: 1.65V to 5.5V for mixed-voltage system interfacing
- High output drive: ±24mA IOH/IOL enabling direct bus driving
- Fast propagation delay: 2.4ns typical for high-speed logic designs
- 3-state outputs allow multiple devices to share a single bus
- SOIC-20 (DWR) package for space-efficient PCB layouts
What is SN74LVC245ADWR used for?
The SN74LVC245ADWR is widely used as a level shifter and bus buffer in microcontroller and FPGA systems where voltage translation between 3.3V and 5V logic is required. It is commonly deployed in data acquisition systems, industrial controllers, and communication interfaces such as SPI and parallel buses. Its low-power LVC technology and high drive strength also make it suitable for battery-operated portable equipment and memory bus expansion applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for SN74LVC245ADWR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply voltage range of the SN74LVC245ADWR?
The SN74LVC245ADWR operates over a supply voltage range of 1.65V to 5.5V, making it suitable for mixed-voltage system designs that interface 1.8V, 2.5V, 3.3V, and 5V logic levels.
Can the SN74LVC245ADWR be used as a voltage level shifter?
Yes, the SN74LVC245ADWR supports mixed-voltage interfacing. Its inputs are 5V tolerant, allowing it to translate signals between lower-voltage logic (e.g., 3.3V) and 5V legacy devices without additional components.
What package does the SN74LVC245ADWR come in?
The SN74LVC245ADWR is available in a 20-pin SOIC wide-body (DWR) package with 7.5mm body width, which offers good thermal performance and compatibility with standard PCB reflow soldering processes.
What is the propagation delay of the SN74LVC245ADWR?
The SN74LVC245ADWR has a typical propagation delay of approximately 2.4ns at 3.3V supply, making it well-suited for high-speed data bus applications requiring fast signal switching.
What are common applications for the SN74LVC245ADWR?
Common applications include bus buffering and level translation in microcontroller systems, FPGA I/O expansion, industrial PLCs, data acquisition hardware, and memory interface circuits where bidirectional data transfer with output enable control is needed.
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About Texas Instruments
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.
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