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DATA SHEET
High-Speed CMOS Logic 4-Bit Binary Full Adder with Fast Carry
1 Features
- Adds two binary numbers
- Full internal lookahead
- Fast ripple carry for economical
expansion
- Operates with both positive and
negative logic
- Fanout (over temperature
range)
- Standard outputs 10 LSTTL loads
- Bus driver outputs 15 LSTTL loads
- Wide operating temperature range: –55℃ to 125℃
- Balanced propagation delay and transition times
- Significant power reduction compared to LSTTL Logic ICs
- HC types
- 2 V to 6 V operation
- High noise immunity: NIL = 30%, NIH = 30% of
VCC at VCC = 5 V
- HCT types
- 4.5 V to 5.5 V operation
- Direct LSTTL input logic
compatibility,
VIL = 0.8 V (max), VIH = 2
V (min)
- CMOS input compatibility, II ≤ 1 µA at VOL,
VOH