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 trans-
mitters/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
MOTOROLA [ MOTOROLA, INC ]
