The 74F125 is a quad buffer with three-state function. It features high impedance base inputs for reduced loading.
This document is a technical datasheet for the Fairchild Semiconductor 74F125 Quad Buffer (3-STATE) device. It provides an overview of the product features, including high impedance base inputs designed to reduce loading.
The datasheet details absolute maximum ratings, DC and AC electrical characteristics under various operating conditions, and pin function descriptions. It also includes logic symbols, connection diagrams, and physical dimensions for available packages such as SOIC, SOP, and PDIP.
| Supply Voltage (Recommended) | +4.5V to +5.5V |
|---|---|
| Operating Temperature Range | 0°C to +70°C |
| Input HIGH Voltage (Min) | 2.0 V |
| Output Leakage Current (Max) | 50 uA |
| Propagation Delay (Typ, Vcc=+5.0V) | 2.0 ns |
The absolute maximum rating for supply voltage is +7.0V.
A maximum of 64 mA can be applied to an output in the LOW state.
A voltage of 2.0 V or higher is recognized as a HIGH signal.