74HC643D SCHEDA,CIRCUITO,LA FUNZIONE

74HC643D Datasheet PDF

• STMICROELECTRONICS[STMicroelectronics] 74HC620
  OCTAL TRANSCEIVER HC620 STATE INVERTING HC623 STATE INVERTING
• 74HC623
  HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING OCTAL BUS TRANSCEIVER
• Philips Semiconductors 74HC6323
  Programmable ripple counter with oscillator; 3-state
• Philips Semiconductors 74HC6323A
  Programmable ripple counter with oscillator; 3-state
• Philips Semiconductors 74HC6323AD
  Programmable ripple counter with oscillator; 3-state
• 74HC6323AD-T
  Prescaler/Frequency Divider
• Philips 74HC6323AU
  Programmable ripple counter with oscillator; 3-state
• Philips Semiconductors 74HC640
  Octal transceiver; 3-state; inverting
• PHILIPS[Philips Semiconductors] 74HC640D
  Octal transceiver; 3-state; inverting
• 74HC640D-T
  Single 8-Bit Inverting Bus Transceiver
• PHILIPS[Philips Semiconductors] 74HC640DB
  Octal transceiver; 3-state; inverting
• PHILIPS[Philips Semiconductors] 74HC640N
  Octal transceiver; 3-state; inverting
• PHILIPS[Philips Semiconductors] 74HC640PW
  Octal transceiver; 3-state; inverting
• Philips 74HC640U
  Octal bus transceiver; 3-state; inverting
• Philips Semiconductors 74HC643
  Octal transceiver; 3-state; true/inverting