DescriptionManufacturer TICategory Counter /Divider Part No. SN54LS393JPackage CDIP-14Logic Type Binary Counter 方向上Elements 2Bits Per Element 4Reset Asynchronous 定Hour -Count Rate 35 MHzFlip-Flop Type 负Edge Voltage - Supply 4.5 V ~ 5.5 VOperating Temperature -55°C ~ 125°C( TA)
DescriptionManufacturer TICategory Counter /Divider Part No. CD74HC190NSRPackage SO-16-208milLogic Type Counter , Decimal 方向上, 下Elements 1Bits Per Element 4Reset -定Hour Synchronous Count Rate 35 MHzFlip-Flop Type Positive Edge Voltage - Supply 2 V ~ 6 VOperating Temperature -55°C ~ 125°C
DescriptionManufacturer TICategory Counter /Divider Part No. CD4033BEPackage PDIP-16Logic Type Counter , Decimal 方向上Elements 1Bits Per Element 5Reset Asynchronous 定Hour Synchronous Count Rate 16 MHzFlip-Flop Type Positive Edge Voltage - Supply 3 V ~ 18 VOperating Temperature -55°C ~ 125°C
DescriptionManufacturer TICategory Counter /Divider Part No. SN74AS869DWPackage SOIC-24-300milLogic Type Binary Counter Count Direction Up Counter ; Down Counter Operating Voltage 4.5V~5.5VElements 1Trigger Edge Rising Edge Reset Method Synchronous Timing Method Synchronous Count Rate 45MHzOperating Temperature 0℃~+70℃ A