Аналогичные HCF4521B

• HCF4000B
  • NOR GATE
• HCF4001B
  • NOR GATE
• HCF4002B
  • NOR GATE
• HCF4008B
  • 4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT
• HCF4009UB
  • HEX BUFFER/CONVERTERS
• HCF40100B
  • 32-STAGE STATIC LEFT/RIGHT SHIFT REGISTER
• HCF40101B
  • 9-BIT PARITY GENERATOR/CHECKER
• HCF40102B
  • 8-stage presettable synchronous down counter