M74HC283 is a 4-bit binary full adder with full internal look-ahead. A 4 x n binary adder is easily built up by cascading without any additional logic.
This document is a datasheet for the M74HC283, a high-speed CMOS 4-bit binary full adder manufactured by STMicroelectronics. The device features full internal look-ahead across all four bits and is pin and function compatible with the 74 series 283. It includes protection circuits against static discharge and transient excess voltage.
| Supply Voltage Range | 2V to 6V |
|---|---|
| Propagation Delay (Typical) | 17ns |
| Quiescent Supply Current (Max) | 4uA |
| Operating Temperature Range | -55 to 125 °C |
| Number of Bits | 4-bit |
Yes, it is pin and function compatible with the 74 series 283.
Yes, it features full internal look-ahead across all four bits.
The typical propagation delay is 17ns at 6V.