(MC74F240 - MC74F244) OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS FAST SCHOTTKY TTL
OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
The F240, F241 and F244 are octal buffers and line drivers designed to be ...
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
FASTâ„¢
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...