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SN74LVC1G125DCKR

TISN74LVC1G125DCKR

Texas Instruments
Buffer, Non-Inverting 1 Element 1 Bit per Element 3-State Output SC-70-5
NRND164,740 in stock
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Overview

The SN74LVC1G125DCKR is a single-channel, non-inverting bus buffer gate with a three-state output. It is designed to operate over a wide voltage range of 1.65V to 5.5V, making it highly versatile for mixed-voltage logic environments. The device features an output-enable (OE) input that, when high, places the output in a high-impedance state, allowing for efficient bus-sharing applications.

Why Choose This Part

This buffer offers high-drive capability of 32mA and supports partial-power-down mode (Ioff), which ensures no current is back-driven into the device when it is powered off. Its wide operating temperature range of -40 degC to 125 degC and compact SC-70-5 package make it suitable for space-constrained industrial designs.

Applications

Bus Isolation
Isolating sensitive subsystems from a shared communication bus when they are powered down or not in use.
Voltage Translation
Using the 5V tolerant inputs to down-translate higher logic levels to the Vcc supply level.
Signal Buffering
Driving high-capacitance loads or long PCB traces with up to 32mA of output current drive.
Live Insertion Systems
Utilizing Ioff circuitry to prevent damaging backflow current during partial-power-down or hot-plug events.

Key Specifications

Logic Type Buffer, Non-Inverting
Output Type 3-State
Mounting Type Surface Mount
Package / Case 5-TSSOP, SC-70-5, SOT-353
Voltage - Supply 1.65V ~ 5.5V
Number of Elements 1
Operating Temperature -40degC ~ 125degC (TA)
Supplier Device Package SC-70-5
Current - Output High, Low 32mA, 32mA
Number of Bits per Element 1

Getting Started

When integrating this part, ensure the OE pin is tied to Vcc through a pull-up resistor to maintain the high-impedance state during power-up or power-down. For prototyping, use an SC-70 to DIP adapter board to interface with standard 0.1-inch pitch breadboards. Decouple the Vcc pin with a 0.1uF ceramic capacitor placed as close to the device as possible to minimize switching noise.

SN74LVC1G125 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Temp Range Stock
SN74LVC1G125DCKR (this part) TSSOP-5 -40degC ~ 125degC .. 164,740
SN74LVC1G125DBVR (UMW) SC-74A, SOT-753 -40degC ~ 85degC (.. 9,571