The TC74HCT574AP/AF/AFW is a high‑speed CMOS octal D‑type flip‑flop with 3‑state outputs, compatible with TTL, NMOS, and CMOS input levels. It offers low power dissipation and includes protection against static discharge.
Key specifications include a supply voltage range of 0.5 V to 7 V, power dissipation up to 500 mW (DIP) or 180 mW (SOP), operating temperature from –40 °C to 85 °C, and typical propagation delays of 16 ns to 34 ns. Package options are DIP‑20, SOP‑20, and SOL‑20 with typical weights of 1.30 g, 0.22 g, and 0.46 g respectively.
| Supply Voltage Range | 0.5 V – 7 V |
|---|---|
| Power Dissipation | 500 mW (DIP) / 180 mW (SOP) |
| Storage Temperature | ‑65 °C – 150 °C |
| Input High Level Voltage | 2.0 V |
| Input Low Level Voltage | 0.8 V |
| Output Drive Capability | 15 LSTTL loads |
| Clock Frequency | 34 – 37 MHz |
| Propagation Delay (typ) | 16 ns – 34 ns |
The device operates from –40 °C to 85 °C.
The supply voltage can range from 0.5 V up to 7 V.
Maximum power dissipation is 500 mW for the DIP package and 180 mW for the SOP package.