This document describes the features and characteristics of the M74HC125, a high-speed CMOS quad buffer, including high-speed transmission, low power dissipation, high noise immunity, symmetrical output impedance, balanced propagation delays, and wide operating voltage range.
This document is a technical datasheet for the STMicroelectronics M74HC125, a high-speed CMOS quad buffer with 3-state outputs. The device is fabricated with silicon gate CMOS technology and is pin and function compatible with the 74 series 125. It features high noise immunity, symmetrical output impedance, and a wide operating voltage range from 2V to 6V.
The datasheet provides detailed information including absolute maximum ratings, recommended operating conditions, DC and AC electrical characteristics, and capacitive characteristics. It also includes mechanical data for various package types, such as Plastic DIP-14, SO-14, and TSSOP14, along with pin connection diagrams and logic symbols.
| Operating Voltage Range | 2V to 6V |
|---|---|
| Propagation Delay (Typical) | 8ns |
| Power Dissipation (Max) | 4mW |
| Noise Immunity (Min) | 28% Voc |
| Output Impedance (Min) | 6mΩ |
| Supply Voltage (Max) | +7 V |
| Operating Temperature Range | -55 to +125 °C |
| Output Current (Max) | +35 mA |
| Input Capacitance (Max) | 10 pF |
The device operates with a supply voltage range of 2V to 6V.
Yes, it is pin and function compatible with the 74 series 125.
The typical propagation delay is 8ns at a supply voltage of 6V.