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| Product attributes | Property Value |
| Manufacturer | NXP Semiconductors |
| Product Series | 74LVT |
| Packaging | Bulk | |
| 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 | 32mA, 64mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP |
The 74LVT244ADB is a high-performance non-inverting buffer from NXP Semiconductors, part of the 74LVT logic family. It features two channels with 3-State outputs, enabling efficient bus-oriented applications. Operating from a 2.7V to 3.6V supply, it delivers robust output currents of 32mA (source) and 64mA (sink), making it suitable for driving demanding loads. Its BiCMOS technology ensures low power consumption while maintaining high-speed operation. This buffer is commonly used in memory interfacing, backplane driving, and general-purpose signal buffering in 3.3V digital systems.
- High Drive Current (64mA Sink): Can directly drive LEDs and heavy capacitive loads, reducing external components.
- 3-State Outputs: Enables bus multiplexing and prevents bus contention in multi-device systems.
- Low-Voltage Operation (2.7V-3.6V): Optimized for modern 3.3V logic, reducing power consumption.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive environments.
High-Speed Bus Interfacing
With its 64mA sink capability and 3-State outputs, the 74LVT244ADB is ideal for driving high-capacitance backplane buses in telecom and networking equipment, ensuring signal integrity at high speeds.
Memory Address Buffering
In server and workstation memory modules, this buffer provides the necessary fan-out and drive strength to address multiple DRAM chips without signal degradation, thanks to its low-voltage BiCMOS technology.
Level Shifting in Mixed-Voltage Systems
Operating from 2.7V to 3.6V, it can interface between 3.3V microcontrollers and 2.5V peripherals, providing a clean buffer stage that prevents overvoltage stress on lower-voltage devices.
Driving LED Displays and Indicators
The high 64mA sink current allows direct driving of LED arrays in industrial control panels, eliminating the need for external transistor drivers and simplifying PCB layout.
Automotive ECU Signal Conditioning
In automotive engine control units, this buffer conditions and isolates sensor signals, providing robust drive for the ECU's internal data bus while operating reliably over the -40°C to 85°C temperature range.
Test and Measurement Equipment
For programmable logic controllers and test instruments, the 3-State outputs enable multiple boards to share a common data bus, with the buffer providing clean, non-inverting signal propagation.
- Q: What is the logic family of the 74LVT244ADB?
- A: It belongs to the 74LVT (Low-Voltage BiCMOS) logic family, designed for 3.3V systems.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 2 channels, ideal for signal buffering and line driving.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing connection to shared buses with high-impedance states.
- Q: What is the operating voltage range?
- A: The supply voltage range is 2.7V to 3.6V, making it suitable for low-voltage applications.
- Q: What is the output current capability?
- A: It can source or sink 32mA and 64mA respectively, providing strong drive for capacitive loads.
- Q: What package is available?
- A: It comes in a 20-pin SSOP (Shrink Small Outline Package) with a 5.30mm width.
74LVT244ADB,112.pdf
- Q: What is the logic family of the 74LVT244ADB?
- A: It belongs to the 74LVT (Low-Voltage BiCMOS) logic family, designed for 3.3V systems.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 2 channels, ideal for signal buffering and line driving.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing connection to shared buses with high-impedance states.
- Q: What is the operating voltage range?
- A: The supply voltage range is 2.7V to 3.6V, making it suitable for low-voltage applications.
- Q: What is the output current capability?
- A: It can source or sink 32mA and 64mA respectively, providing strong drive for capacitive loads.
- Q: What package is available?
- A: It comes in a 20-pin SSOP (Shrink Small Outline Package) with a 5.30mm width.