M74HC623B1R   数据手册 ( 数据表 )

STMicroelectronics

OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTING)

STMicroelectronics

HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING OCTAL BUS TRANSCEIVER

STMicroelectronics

4 WORD X 4 BIT REGISTER FILE (3 STATE)

STMicroelectronics

4 BIT BINARY COUNTER/REGISTER (3-STATE)

STMicroelectronics

HC691/693 4 BIT BINARY COUNTER/REGISTER (3-STATE) HC690/692 DECADE COUNTER/REGISTER (3-STATE)

STMicroelectronics

HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER (3-STATE) , HC696/698 U/D DECADE COUNTER/REGISTER (3-STA

STMicroelectronics

8 BIT EQUALITY COMPARATOR

STMicroelectronics

HC640 INVERTING, HC643 INVERTING/NON INVERTING OCTAL BUS TRANSCEIVER (3-STATE): HC245 NON INVERTING

STMicroelectronics

DECADE COUNTER/REGISTER (3-STATE)

STMicroelectronics

HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER (3-STATE) , HC696/698 U/D DECADE COUNTER/REGISTER (3-STA

STMicroelectronics

HC648 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE, INV.) HC646 OCTAL BUS TRANSCEIVER/REGISTER (3-STATE)