74F583 Datasheet (Fairchild)

74F583, 4-Bit BCD Adder

The ’F583 high-speed 4-bit, BCD full adder with internal carry lookahead accepts two 4-bit decimal numbers (A0 * A3, B0 *B3) and a Carry Input (Cn).

It generates the decimal sum outputs (S0 *S3), and a Carry Output (Cn+4) if the sum is greater than 9.

The 'F583 is the functional

74F583 Features

* s Adds two decimal numbers s Full internal lookahead s Fast ripple carry for economical expansion s Sum output delay time 16.5 ns max s Ripple carry delay time 8.5 ns max s Input to ripple delay time 14.0 ns max s Supply current 60 mA max Ordering Code: Order Number 74F583SC 74F583PC Package Number