74F385
74F385 is Quad serial adder/subtractor manufactured by Philips Semiconductors.
Philips Semiconductors
Product specification
Quad serial adder/subtractor
Features
- Four independent adders/subtractors
- Two’s plement arithmetic
- Synchronous operation
- mon Clear and Clock
- 74F385 is designed for use with serial multipliers in implementing digital filters and butterfly networks in fast Fourier transforms
PIN CONFIGURATION
CP 1 F0 2 S0 3 B0 4 A0 5 A1 6 20 V CC 19 F3 18 S3 17 B3 16 A3 15 A2 14 B2 13 S2 12 F2 11 MR
DESCRIPTION
The 74F385 contains four independent adder/subtractor elements with mon Clock and Master Reset. Each adder/subtractor contains a sum flop-flop and a carry flip-flop for synchronous operations. Flip-flop state changes occur...