This document is a datasheet for 74HC/HCT540, which describes the features and characteristics of the product, including output capability and operating current.
This document is a product specification datasheet for the 74HC/HCT540, an octal inverting buffer/line driver manufactured by Philips Semiconductors. The device features high-speed Si-gate CMOS technology and is pin compatible with low power Schottky TTL (LSTTL). It includes eight identical circuits controlled by output enable inputs to manage 3-state outputs.
| Propagation Delay (An to Yn) | 9 ns typical at Vcc = 5V, Tamb = 25°C |
|---|---|
| Input Capacitance | 3.5 pF |
| Power Dissipation Capacitance per Buffer | 39 pF (HC) / 44 pF (HCT) |
| Operating Temperature Range | -40 to +85°C / -40 to +125°C |
| Output Capability | Bus driver |
The '540' is identical to the '541' but has inverting outputs.
Yes, it is pin compatible with low power Schottky TTL (LSTTL).
It belongs to the high-speed Si-gate CMOS devices.