ꢀ ꢁ ꢂꢃ ꢄꢄ ꢅ ꢆꢇ ꢈ ꢈꢂ ꢄꢄ ꢅ ꢆ ꢇꢉ ꢈ ꢂꢄ ꢄ
ꢊꢋ ꢌ ꢍꢎ ꢋ ꢏꢐ ꢑ ꢐ ꢒ ꢇꢑ ꢍꢎ ꢒ ꢓꢑ ꢎꢆ
SLLS094C − SEPTEMBER 1983 − REVISED MAY 2004
FUNCTION TABLE
(drivers 2−4)
A
H
L
B
H
X
L
Y
L
H
H
X
H = high level, L = low level,
X = irrelevant
logic diagram (positive logic)
3
2
1A
1Y
4
5
2A
2B
6
2Y
9
3A
3B
8
3Y
10
12
13
4A
4B
11
4Y
Positive logic
Y = A (driver 1)
Y = AB or A + B (drivers 2 thru 4)
schematic (each driver)
To Other
Drivers
V
CC+
8.2 kΩ
6.2 kΩ
A
B
Input(s)
70 Ω
300 Ω
Output
3.6 kΩ
GND
To
Other
Drivers
10 kΩ
3.7 kΩ
70 Ω
V
CC−
To Other Drivers
Resistor values shown are nominal.
2
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