MC74F244

OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS The F240, F241 and F244 are octal buffers and line drivers designed to be employed as memory address drivers, clock drivers, and bus-oriented transmitters/receivers which provide improved PC board density. 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers Outputs Sink 64 mA 15 mA Source Current Input Clamp Diodes Limit High-Speed Termination Effects ESD > 4000 Volts MC54/74F240 MC54/74F241 MC54/74F244 OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS FAST™ SCHOTTKY TTL CONNECTION DIAGRAMS J SUFFIX CERAMIC CASE 732-03 1 MC54/74F240 VCC OEb Ya0 20 19 18 Ib0 17 Ya1 16 Ib1 15 Ya2 14 Ib2 13 Ya3 12 Ib3 11 20 N SUFFIX PLASTIC CASE 738-03 20 1 1 2 3 Yb0 4 Ia1 5 Yb1 6 Ia2 7 Yb2 8 Ia3 9 10 DW SUFFIX SOIC CASE 751D-03 OEa Ia0 Yb3 GND 20 1 VCC OEb Ya0 20 19 18 MC54/74F241 Ib0 Ya1 Ib1 Ya2 17 16 15 14 Ib2 13 Ya3 Ib3 12 11 ORDERING INFORMATION MC54FXXXJ Ceramic MC74FXXXN Plastic MC74FXXXDW SOIC 1 OEa 2 Ia0 3 Yb0 4 Ia1 5 Yb1 6 Ia2 7 Yb2 8 Ia3 9 10 Yb3 GND MC54/74F244 VCC OEb Ya0 Ib0 Ya1 Ib1 Ya2 20 19 18 17 16 15 14 Ib2 13 Ya3 12 Ib3 11 1 OEa 2 Ia0 3 Yb0 4 Ia1 5 Yb1 6 Ia2 7 Yb2 8 Ia3 9 10 Yb3 GND FAST AND LS TTL DATA 4-108 MC54/74F240 MC54/74F241 MC54/74F244 FUNCTION TABLE MC54/74F240 Inputs OEa L L H Ia L H X OEb L L H Ib L H X Outputs Ya H L Z Yb H L Z FUNCTION TABLE MC54/74F241 Inputs OEa L L H Ia L H X OEb H H L Ib L H X Outputs Ya L H Z Yb L H Z FUNCTION TABLE MC...