Texas Instruments SN74LV245ATDBR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.60 | $0.60 |
| 15+ | $0.58 | $8.70 |
| 25+ | $0.57 | $14.25 |
| 50+ | $0.54 | $27.00 |
| 100+ | $0.47 | $47.00 |
| N+ | $0.09 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LV |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 16mA, 16mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP |
| ROHS |  |
The SN74LV245ATDBR is a non-inverting transceiver from Texas Instruments, designed for bidirectional data transfer in 5V systems. As part of the 74LV logic family, it offers low power consumption while delivering 16mA output current per channel. The 3-State outputs enable efficient bus sharing and isolation. Operating from 4.5V to 5.5V, it is ideal for interfacing microcontrollers with memory, peripherals, and industrial control modules. The 20-SSOP package provides a compact solution for space-constrained PCBs. Typical applications include data bus buffering, level shifting, and sensor data acquisition.
- Bidirectional Data Flow: Simplifies bus design by allowing data transfer in both directions with a single IC.
- 3-State Outputs: Prevents bus contention and allows multiple devices to share the same lines.
- Low Power Consumption: 74LV family is optimized for battery-powered and power-sensitive applications.
- Wide Temperature Range (-40°C to 125°C): Suitable for industrial and automotive environments.
Bidirectional Bus Transceiver
The SN74LV245ATDBR is perfect for connecting two data buses in a 5V system. Its direction control pin (DIR) allows data to flow in either direction, while the output enable (OE) pin provides 3-State isolation when needed.
Memory Interface Buffering
Use this transceiver to buffer data lines between a microcontroller and external SRAM or EEPROM. The 16mA output current ensures reliable writes, and the 3-State outputs prevent bus contention during read cycles.
Level Shifting in Mixed-Voltage Systems
While operating at 5V, the 74LV family's inputs are 5V tolerant, allowing interfacing with 3.3V logic without additional components. This simplifies designs where both voltage domains coexist.
Peripheral Expansion for Microcontrollers
Connect multiple peripherals to a single microcontroller port using this transceiver. The 3-State outputs allow each peripheral to be isolated, preventing data corruption and reducing loading on the MCU pins.
Industrial Sensor Data Acquisition
In industrial control systems, this transceiver can buffer sensor data from multiple modules to a central controller. Its wide temperature range (-40°C to 125°C) ensures reliable operation in factory environments.
Telecommunications Line Cards
For telecom equipment, the SN74LV245ATDBR provides robust buffering for control and data lines between line interface units and switching fabrics, ensuring signal integrity at high speeds.
- Q: What is the logic family of the SN74LV245ATDBR?
- A: It belongs to the 74LV family, known for low-voltage operation with 5V tolerance.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 3-State outputs, enabling bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel, providing an 8-bit bidirectional bus interface.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for controlled connection to a shared data bus.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V logic systems.
- Q: What package is available?
- A: It is offered in a 20-SSOP package, ideal for compact PCB layouts.
SN74LV245ATDBR.pdf
- Q: What is the logic family of the SN74LV245ATDBR?
- A: It belongs to the 74LV family, known for low-voltage operation with 5V tolerance.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 3-State outputs, enabling bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel, providing an 8-bit bidirectional bus interface.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for controlled connection to a shared data bus.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V logic systems.
- Q: What package is available?
- A: It is offered in a 20-SSOP package, ideal for compact PCB layouts.
