Datasheet

2
Functional Diagram
TRUTH TABLE
SELECT INPUTS DATA INPUTS ENABLE OUTPUT
S2 S1 S0 I0 I1 I2 I3 I4 I5 I6 I7 E YY
XXXXXXXXXXX H HL
LLLLXXXXXXX L HL
LLLHXXXXXXX L LH
LLHXLXXXXXX L HL
LLHXHXXXXXX L LH
LHLXXLXXXXX L HL
LHLXXHXXXXX L LH
LHHXXXLXXXX L HL
LHHXXXHXXXX L LH
HLLXXXXLXXX L HL
HLLXXXXHXXX L LH
HLHXXXXXLXX L HL
HLHXXXXXHXX L LH
HHLXXXXXXLX L HL
HHLXXXXXXHX L LH
HHHXXXXXXXL L HL
HHHXXXXXXXH L LH
H = High Voltage Level, L = Low Voltage Level, X = Don’t Care
5
6
Y
Y
4
3
2
1
14
12
13
15
I
0
I
7
I
6
I
5
I
4
I
3
I
2
I
1
11
S
0
10
S
1
9
S
2
E
7
GND = 8
V
CC
= 16
CD54HC151, CD74HC151, CD54HCT151, CD74HCT151