NXP Semiconductors
74HC4051; 74HCT4051
8-channel analog multiplexer/demultiplexer
6. Pinning information
6.1 Pinning
74HC4051
74HCT4051
terminal 1
index area
Y6
16 V
CC
15 Y2
14 Y1
13 Y0
12 Y3
11 S0
10 S1
9
001aad539
74HC4051
74HCT4051
Y4
Y6
Z
Y7
Y5
E
V
EE
GND
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
GND
S2
9
V
CC(1)
16 V
CC
15 Y2
14 Y1
13 Y0
12 Y3
11 S0
10 S1
Z
Y7
Y5
E
V
EE
1
Y4
S2
001aad540
Transparent top view
(1) This is not a supply pin. The substrate is attached to this
pad using conductive die attach material. There is no
electrical or mechanical requirement to solder this pad.
However, if it is soldered, the solder land should remain
floating or be connected to V
CC
.
Fig 5.
Pin configuration DIP16, SO16, and (T)SSOP16
Fig 6.
Pin configuration DHVQFN16
6.2 Pin description
Table 2.
Symbol
E
V
EE
GND
S0, S1, S2
Z
V
CC
Pin description
Pin
6
7
8
11, 10, 9
3
16
Description
enable input (active LOW)
supply voltage
ground supply voltage
select input
common output or input
supply voltage
Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7 13, 14, 15, 12, 1, 5, 2, 4 independent input or output
74HC_HCT4051
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© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 7 — 19 July 2012
4 of 31
PHILIPS [ NXP SEMICONDUCTORS ]
