74HCT154 Datasheet, PDF (5/22 Pages) NXP Semiconductors – 4-to-16 line decoder/demultiplexer

Philips Semiconductors
4-to-16 line decoder/demultiplexer
Product specification
74HC154; 74HCT154
Y0 1
Y1 2
Y2 3
Y3 4
Y4 5
Y5 6
Y6 7
Y7 8
Y8 9
Y9 10
Y10 11
GND 12
24 V_CC
23 A0
22 A1
21 A2
20 A3
19 E1
154
18 E0
17 Y15
16 Y14
15 Y13
14 Y12
13 Y11
001aab067
Fig.1 Pin configuration SO24, DIP24 and
(T)SSOP24.
terminal 1
index area
Y1 2
Y2 3
Y3 4
Y4 5
Y5 6
Y6 7
Y7 8
Y8 9
Y9 10
Y10 11
154
V_CC(1)
23 A0
22 A1
21 A2
20 A3
19 E1
18 E0
17 Y15
16 Y14
15 Y13
14 Y12
001aab068
Transparent top view
(1) The die substrate is attached to this pad using conductive die
attach material. It can not be used as a supply pin or input.
Fig.2 Pin configuration DHVQFN24.
23
A0
22
A1
21
A2
20
A3
18 E0
19 E1
Y0
1
Y1
2
Y14
16
Y15
17
001aab069
Fig.3 Logic symbol.
2004 Oct 12
DX
23 0
01
X/Y
23 1
01
22
G105 ¹
2
22 2
21
2 3 21 4
12
23
20 3
3 4 20 8
34
45
45
56
56
67
67
78
78
89
89
9 10
9 10
10 11
10 11
11 13
11 13
12 14
12 14
13 15
13 15
&
&
18
14 16 18
14 16
EN
EN
19
15 17 19
15 17
001aab070
Fig.4 IEC logic symbol.
5