74HCT257N СПЕЦИФИКАЦИЯ,СХЕМЫ,ФУНКЦИИ

74HCT257N Datasheet PDF

• Philips Semiconductors 74HCT20
  Dual 4-input NAND gate
• PHILIPS[Philips Semiconductors] 74HCT20D
  Dual 4-input NAND gate
• 74HCT20D-T
  Dual 4-input NAND Gate
• Philips 74HCT20DB
  Dual 4-input NAND gate
• Philips Semiconductors 74HCT20N
  Dual 4-input NAND gate
• Philips 74HCT20U
  Dual 4-input NAND gate
• Philips Semiconductors 74HCT21
  Dual 4-input gate
• 74HCT21D
  Dual 4-input AND Gate
• 74HCT21D-T
  Dual 4-input AND Gate
• Philips 74HCT21DB
  Dual 4-input AND gate
• 74HCT21N
  IC HIGH SPEED CMOS LOGIK N/DIP14
• Philips 74HCT21NB
  Dual 4-input AND gate
• Philips 74HCT21U
  Dual 4-input AND gate
• Philips Semiconductors 74HCT221
  Dual non-retriggerable monostable multivibrator with reset
• PHILIPS[Philips Semiconductors] 74HCT221D
  Dual non-retriggerable monostable multivibrator with reset