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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series 74LCX
Packaging Cut Tape (CT) | Tape & Reel (TR)
Part Status Active
Logic Type Buffer, Non-Inverting
Number of Elements 6
Number of Bits per Element 1
Input Type -
Output Type Open Drain
Current - Output High, Low -, 24mA
Voltage - Supply 2V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Grade Automotive
Qualification AEC-Q100
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SO
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The 74LCX07YMTR is a 6-channel non-inverting buffer from STMicroelectronics, designed for low-voltage applications. Operating from 2V to 3.6V, it features open-drain outputs capable of sinking 24mA. This buffer is ideal for level shifting, wired-OR bus signaling, and driving LEDs in compact 14-SOIC packages. Its low-voltage CMOS technology ensures high-speed performance with minimal power consumption, making it suitable for portable and battery-powered devices.

  • Low-Voltage Operation (2V-3.6V): Compatible with modern 3.3V and lower logic systems, reducing power consumption.
  • Open-Drain Outputs: Enables level shifting and wired-OR connections, increasing design flexibility.
  • High Sink Current (24mA): Drives LEDs and low-impedance loads directly without extra components.
  • 6 Channels in Compact SOIC-14: Saves board space while providing multiple buffered lines.

Level Shifting for Open-Drain Interfaces

Use the 74LCX07YMTR to interface 3.3V logic with 5V or higher pull-up rails. The open-drain outputs allow external pull-up resistors to set the high-level voltage, enabling seamless level translation in mixed-voltage systems.

Wired-OR Bus Signaling

In I2C or similar multi-master buses, the open-drain outputs of this buffer allow multiple devices to share a common line without contention. The 24mA sink capability ensures robust low-level signaling.

LED Driving in Low-Voltage Systems

Drive LEDs directly from 2V to 3.6V logic. The open-drain output can sink current through the LED and a series resistor, providing a simple and efficient driver solution without additional transistors.

Signal Buffering for FPGA/ASIC Interfaces

Buffer weak signals from an FPGA or ASIC to drive longer traces or multiple loads. The 74LCX family's low-voltage operation and high sink current ensure signal integrity in compact designs.

Industrial Sensor Interfacing

Interface open-collector sensors to a 3.3V microcontroller. The buffer isolates the sensor line and provides the necessary drive strength for reliable data acquisition in noisy industrial environments.

Power Sequencing and Control

Use the open-drain outputs to control power supply enable pins that require a pull-up to a different voltage rail. This allows safe power sequencing in multi-rail systems.

Q: What is the logic family of the 74LCX07YMTR?
A: It belongs to the 74LCX low-voltage CMOS logic family.
Q: What is the function of this IC?
A: It is a non-inverting buffer with 6 channels.
Q: What is the output type?
A: It features open-drain outputs, ideal for wired-OR configurations.
Q: What is the operating voltage range?
A: It operates from 2V to 3.6V, making it suitable for low-voltage systems.
Q: What package is available?
A: It comes in a 14-SOIC package (0.154", 3.90mm width).
Q: What is the sink current capability?
A: The output can sink up to 24mA.
Base Product Number : 74LCX07
2V-3.6V 74LCX Buffer LED Driver Level Shifting Logic IC Open Drain SOIC-14 STMicroelectronics
Q: What is the logic family of the 74LCX07YMTR?
A: It belongs to the 74LCX low-voltage CMOS logic family.
Q: What is the function of this IC?
A: It is a non-inverting buffer with 6 channels.
Q: What is the output type?
A: It features open-drain outputs, ideal for wired-OR configurations.
Q: What is the operating voltage range?
A: It operates from 2V to 3.6V, making it suitable for low-voltage systems.
Q: What package is available?
A: It comes in a 14-SOIC package (0.154", 3.90mm width).
Q: What is the sink current capability?
A: The output can sink up to 24mA.