74F544 PDF 데이터시트 검색

74F544 Octal Registered Transceiver April 1988 Revised August 1999 74F544 Octal Registered Transceiver General Description The 74F544 octal transceiver contains two sets of D-type latches for temporary storage of data flowing in either direction. Separate Latch Enable and Output Enable inputs are provided for each register to permit independent control of inputting and outputting in either direction of data flow. The A outputs are guaranteed to sink 24 mA while the B outputs are rated for 64