The 74LCX574 is a low voltage octal D-type flip-flop with 5V tolerant inputs and outputs produced by Fairchild Semiconductor Corporation.
The 74LCX574 is a high‑speed, low‑power octal D‑type flip‑flop designed for 5 V tolerant applications. It features buffered clock and output‑enable inputs, live insertion support, and up to +24 mA output drive.
The document provides ordering information, absolute maximum ratings, recommended operating conditions, electrical characteristics, switching performance, package dimensions, and tape‑and‑reel specifications.
| Supply Voltage (Operating) | 2.0 V – 3.6 V |
|---|---|
| Input Voltage (Recommended) | 0 V – 5.5 V |
| Output Current (Drive) | +24 mA |
| Maximum Clock Frequency | 150 MHz |
| Propagation Delay (max) | 7.5 ns |
| Input Capacitance | 7 pF |
| Output Capacitance | 8 pF |
| Storage Temperature Range | -65 °C to +150 °C |
| Operating Temperature Range | -40 °C to 85 °C |
The device operates with a supply voltage between 2.0 V and 3.6 V.
Each output can source or sink up to +24 mA.
The maximum clock frequency is specified as 150 MHz.
Recommended input voltage is from 0 V up to 5.5 V.