CD74HCT283 - Texas Instruments

CD74HCT283 4-Bit Binary Full Adder

The CDx4HC283 and CDx4HCT283 contain 4-bit binary adders. The HCT device has TTL-voltage compatible inputs. PART NUMBER Device Information PACKAGE(1) BODY SIZE (NOM) CD54HC283 J (CDIP, 16) 24.38 mm × 6.92 mm CD74HC283CD74H D (SOIC, 16) 9.90 mm × 3.90 mm C283 N (PDIP, 16) 19.31 mm × 6.35 mm CD74HCT283CD74 D (SOIC, 16) 9.90 mm × 3.90 mm HCT283 N (PD.

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 (m.