The MM74HC174 is a 6-bit D-type flip-flop manufactured by Fairchild Semiconductor. It features high noise immunity, low power and speeds comparable to low power Schottky TTL circuits.
The MM74HC174 is a hex D‑type flip‑flop with a common clock and clear input, built with advanced silicon‑gate CMOS technology. It offers high noise immunity, low power consumption and performance comparable to low‑power Schottky TTL devices. Each of the six master‑slave flip‑flops can drive up to ten low‑power Schottky TTL equivalent loads, and the device is pin‑compatible with the 74LS174.
The document provides full electrical characteristics, absolute maximum ratings, mechanical dimensions for various package types (SOIC, SOP, TSSOP, PDIP) and ordering codes. It also includes a life‑support policy disclaimer and contact information for Fairchild Semiconductor.
| Typical propagation delay | 16 ns |
|---|---|
| Operating voltage range | 2‑6 V |
| Low input current | 1 µA max |
| Low quiescent current | 80 µA |
| Output drive capability | 10 LSTTL loads |
| Supply voltage (absolute max) | -0.5 to +7.0 V |
| DC output current per pin | 25 mA |
| Storage temperature range | -65 °C to +150 °C |
| Power dissipation | 600 mW |
The typical propagation delay is 16 ns.
It operates from 2 V to 6 V.
Each output can drive up to 10 low‑power Schottky TTL equivalent loads.
The absolute maximum supply voltage is –0.5 V to +7.0 V.