74HC21U СПЕЦИФИКАЦИЯ,СХЕМЫ,ФУНКЦИИ

74HC21U Datasheet PDF

• Philips Semiconductors 74HC
  HCMOS family characteristics
• Semiconductors 74HC-HCT153
  Dual 4-input multiplexer
• OCTAL 74HC-HCT7541
  OCTAL SCHMITT TRIGGER BUFFER/LINE DRIVER;3-STATE
• Philips 74HC/HCT162
  Presettable synchronous BCD decade counter; synchronous reset
• Philips 74HC/HCT182
  Look-ahead carry generator
• Philips 74HC/HCT192
  Presettable synchronous BCD decade up/down counter
• Philips 74HC/HCT195
  4-bit parallel access shift register
• NXP Semiconductors 74HC/HCT21
  Dual 4-input AND gate
• Philips 74HC/HCT242
  Quad bus transceiver
• Philips 74HC/HCT354
  8-input multiplexer/register
• Philips 74HC/HCT356
  8-input multiplexer/register
• NXP Semiconductors 74HC/HCT377
  Octal D-type flip-flop with data enable; positive-edge trigger
• Philips 74HC/HCT40102
  8-bit synchronous BCD down counter
• Philips 74HC/HCT40104
  8-bit bidirectional universal shift register
• Philips 74HC/HCT4510
  BCD up/down counter