14.8.245 FA1B

This component is supported by ACT 1, ACT 2, ACT 3, 3200DX, MX, SX, SX-A, SX-S, eX, Accelerator families.

Figure 14-279. FA1B Logic Diagram
  • Function: 1-bit Adder with active low Carry In and Carry Out
  • Input: A, B, CI
  • Output: CO, S
Table 14-466. Truth Table
ABCICOS
00011
00110
01000
01111
10000
10111
11001
11100
Table 14-467. Modules
FamilySeqComb
All2
Note: * A 2 on the symbol implies 2 logic module delays in all families except SX and SX-A.