CD54-74HC4514 Datasheet, PDF (2/14 Pages) Texas Instruments – HIGH-SPEED CMOS LOGIC 4-TO-16 LINE DECODER/DEMULTIPLEXER WITH INPUT LATCHES

CD54HC4514, CD74HC4514, CD74HC4515
Functional Diagram
HC
HC
4514 4515
11 _{Y0 Y0}
9 _{Y1 Y1}
10 _{Y2 Y2}
8 _{Y3 Y3}
2
A0
7 _{Y4 Y4}
6 _{Y5 Y5}
A1
A2
A3
3
21 ^LATCH
22
4-TO-16
DECODER
5 _Y6
4
18 ^Y7
17 ^Y8
20 ^Y9
Y6
Y7
Y8
Y9
1
LE
19 ^{Y10 Y10}
14 ^{Y11 Y11}
13 ^{Y12 Y12}
16 ^{Y13 Y13}
15 ^{Y14 Y14}
Y15 Y15
23
E
GND = 12
V_CC = 24
ENABLE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
DECODE TRUTH TABLE (LE = 1)
DECODER INPUTS
A3
A2
A1
A0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
X
X
X
X
X = Don’t Care; Logic 1 = High; Logic 0 = Low
ADDRESSED OUTPUT
4514 = LOGIC 1 (HIGH)
4515 = LOGIC 0 (HIGH)
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
Y11
Y12
Y13
Y14
Y15
All Outputs = 0, 4514
All Outputs = 1, 4515
2