This document describes the specifications and precautions of a product produced by Hitachi. The product conforms to JEDEC and EIAJ standards and weighs 1.07 grams. The product has specific dimensional and angular requirements.
The Hitachi HD14008B is a 4-bit full adder integrated circuit designed for binary addition and other arithmetic applications. It features four full adders with fast internal look-ahead carry output to enable high-speed operation when used in systems with other adders.
This datasheet provides detailed electrical characteristics, switching times, pin arrangements, and truth tables. The device operates within a supply voltage range of 3V to 18V and is designed as a pin-for-pin replacement for the CD4008B and MC14008B models.
| Supply Voltage Range | 3 to 18V |
|---|---|
| Quiescent Current (typ) | 40 uA @ 5V |
| Output Rise Time (max) | 180 ns @ 5.0V |
The HD14008B is a pin-for-pin replacement for CD4008B and MC14008B.
It consists of four full adders with fast internal look-ahead carry output.