Texas Instruments SN74ALVC244DWR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.50 | $0.50 |
| 15+ | $0.49 | $7.35 |
| 25+ | $0.48 | $12.00 |
| 50+ | $0.45 | $22.50 |
| 100+ | $0.40 | $40.00 |
| N+ | $0.08 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74ALVC |
| Packaging | Marketplace | Cut Tape (CT) |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |
The SN74ALVC244DWR from Texas Instruments is a high-performance octal buffer and line driver designed for 1.65V to 3.6V systems. Featuring non-inverting buffers with 3-State outputs, it delivers 24mA of drive current per channel, making it ideal for bus-oriented applications. Its low power consumption and high-speed operation suit portable and embedded designs. Available in a 20-SOIC package, this IC is commonly used in memory interfacing, signal buffering, and level-shifting applications where signal integrity and fan-out are critical.
- Wide 1.65V to 3.6V Supply Range: Compatible with 1.8V, 2.5V, and 3.3V logic, reducing the need for multiple voltage translators.
- High 24mA Drive Current: Ensures reliable signal transmission over longer PCB traces and into multiple loads.
- 3-State Outputs: Enables bus sharing and multiplexing without bus contention, ideal for memory and peripheral interfaces.
- Low Propagation Delay: Supports high-frequency operation, critical for modern high-speed digital systems.
- Industrial Temperature Range (-40°C to 85°C): Suitable for harsh automotive and industrial environments.
Bus Interfacing in Mixed-Voltage Systems
The 3-State outputs and wide 1.65V–3.6V supply range allow direct connection between 1.8V microcontrollers and 3.3V peripherals, simplifying level translation without external components.
High-Speed Signal Buffering for Memory Modules
With 24mA sink/source capability and low propagation delay, this buffer can drive multiple DRAM or SRAM address lines, ensuring signal integrity at high clock rates.
Backplane and Cable Driving in Telecom Equipment
The high drive current and controlled output edges make it ideal for driving long traces on backplanes, reducing reflections and crosstalk in 3.3V telecom racks.
GPIO Expansion for FPGA/CPLD Designs
Use the SN74ALVC244DWR to buffer FPGA outputs to external peripherals, protecting the FPGA from excessive capacitive loads and providing additional fan-out.
Industrial Sensor Interface Isolation
In industrial controls, this buffer can isolate sensitive logic from noisy sensor lines, using the 3-State feature to disable outputs during power sequencing or fault conditions.
Automotive ECU Communication Buses
Operating at -40°C to 85°C, it reliably buffers SPI or UART signals in automotive ECUs, ensuring robust communication between the main processor and peripheral modules.
- Q: What logic family does the SN74ALVC244DWR belong to?
- A: It belongs to the 74ALVC family, designed for low-voltage, high-speed operation.
- Q: What is the function of this IC?
- A: It is a dual 4-bit buffer/line driver with non-inverting outputs, providing signal buffering and fan-out enhancement.
- Q: How many channels does it have?
- A: It has 2 channels (each channel handles 4 bits), totaling 8 buffer circuits.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it suitable for 1.8V, 2.5V, and 3.3V systems.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (0.295", 7.50mm Width) package.
- Q: What logic family does the SN74ALVC244DWR belong to?
- A: It belongs to the 74ALVC family, designed for low-voltage, high-speed operation.
- Q: What is the function of this IC?
- A: It is a dual 4-bit buffer/line driver with non-inverting outputs, providing signal buffering and fan-out enhancement.
- Q: How many channels does it have?
- A: It has 2 channels (each channel handles 4 bits), totaling 8 buffer circuits.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 1.65V to 3.6V, making it suitable for 1.8V, 2.5V, and 3.3V systems.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (0.295", 7.50mm Width) package.

SN74ALVC244DWR.pdf