Texas Instruments SN74LVTH126PW

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series 74LVTH
Packaging Marketplace | Tube
Part Status Active
Logic Type Buffer, Non-Inverting
Number of Elements 4
Number of Bits per Element 1
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 14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The SN74LVTH126PW is a high-performance quad non-inverting buffer from Texas Instruments, part of the 74LVTH logic family. It features 3-State outputs, allowing for efficient bus-oriented applications. Operating from a 2.7V to 3.6V supply, it provides excellent drive capability with 32mA sink and 64mA source current. This makes it ideal for buffering signals in 3.3V digital systems, including memory interfaces, peripheral drivers, and general-purpose logic. The 14-pin TSSOP package is compact and suitable for space-constrained PCBs.

  • High Drive Current (32mA/64mA): Ensures robust signal integrity when driving capacitive loads or multiple inputs.
  • 3-State Outputs: Enables multiple devices to share a common data bus without interference.
  • Wide 2.7V to 3.6V Supply Range: Compatible with standard 3.3V logic and low-voltage systems.
  • 74LVTH Family Performance: Offers a balance of high speed and low power consumption.

High-Speed Bus Interfacing

Use the SN74LVTH126PW to buffer address and data lines between a 3.3V microcontroller and high-capacitance memory or peripheral buses. The 3-State outputs allow multiple devices to share the same bus without contention.

Signal Buffering for FPGAs and ASICs

Buffer weak output signals from FPGAs or ASICs to drive longer traces or multiple loads. The high drive current (32mA/64mA) ensures signal integrity is maintained.

Level Shifting in Mixed-Voltage Systems

While designed for 3.3V, its 2.7V-3.6V range allows interfacing with 2.8V or 3.0V logic, providing a simple buffer solution in mixed-voltage environments.

Driving LED Displays and Indicators

Each channel can sink or source significant current, making it suitable for directly driving LEDs with current-limiting resistors, simplifying control logic.

Industrial Control I/O Expansion

In PLCs and industrial controllers, this buffer can isolate and drive control signals to actuators or sensors, providing the necessary fan-out and noise immunity.

Memory Address/Data Latching

Combine with a latch or register to create a buffered, 3-State interface for SRAM or EEPROM, ensuring reliable read/write operations.

Q: What logic family does the SN74LVTH126PW belong to?
A: It belongs to the 74LVTH logic family, designed for low-voltage, high-speed operation.
Q: What is the function of this IC?
A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
Q: How many channels does it have?
A: It has 4 independent buffer channels.
Q: What is the output type?
A: The outputs are 3-State, allowing for connection to shared buses.
Q: What is the operating voltage range?
A: It operates from 2.7V to 3.6V, making it ideal for 3.3V systems.
Q: What package is available?
A: It comes in a 14-pin TSSOP package.
Base Product Number : SN74LVTH126
14-TSSOP 2.7V-3.6V 3-State 74LVTH Buffer Bus Interface Logic IC Signal Buffering Texas Instruments
Q: What logic family does the SN74LVTH126PW belong to?
A: It belongs to the 74LVTH logic family, designed for low-voltage, high-speed operation.
Q: What is the function of this IC?
A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
Q: How many channels does it have?
A: It has 4 independent buffer channels.
Q: What is the output type?
A: The outputs are 3-State, allowing for connection to shared buses.
Q: What is the operating voltage range?
A: It operates from 2.7V to 3.6V, making it ideal for 3.3V systems.
Q: What package is available?
A: It comes in a 14-pin TSSOP package.