This datasheet details the MC74VHC244, a high-speed CMOS octal bus buffer with noninverting 3-state outputs and active-low output enables.
The MC74VHC244 is an advanced high-speed CMOS octal bus buffer fabricated with silicon gate CMOS technology. It functions as a noninverting 3-state buffer featuring two active-low output enables, designed for use with 3-state memory address drivers and similar applications. The device offers high noise immunity and stable output performance through a three-stage internal circuit.
| Supply Voltage Range | 2.0 V to 5.5 V |
|---|---|
| Propagation Delay (Typ) | 3.9 ns |
| Operating Temperature Range | -55 to +125 °C |
| Maximum Input Voltage | 7.0 V |
| ESD Performance (Human Body Model) | > 2000 V |
| Latchup Performance | 300 mA |
The typical propagation delay is 3.9 ns at a supply voltage of 5 V.
Yes, the inputs tolerate voltages up to 7 V, allowing the interface of 5 V systems to 3 V systems.
The device has two active-low output enables.