74HC_HCT4051_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 2 — 8 October 2012 5 of 31
NXP Semiconductors
74HC4051-Q100; 74HCT4051-Q100
8-channel analog multiplexer/demultiplexer
6. Pinning information
6.1 Pinning
6.2 Pin description
(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 VCC.
Fig 5. Pin configuration SO16 and TSSOP16 Fig 6. Pin configuration DHVQFN16
Y4 V
CC
Y6 Y2
ZY1
Y7 Y0
Y5 Y3
ES0
V
EE
S1
GND S2
aaa-003160
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
74HC4051-Q100
74HCT4051-Q100
aaa-003161
V
EE
S1
ES0
Y5 Y3
Y7 Y0
ZY1
Y6 Y2
GND
S2
Y4
V
CC
Transparent top view
7 10
6 11
5 12
4
13
3 14
2 15
8
9
1
16
terminal 1
index area
V
CC
(1)
74HC4051-Q100
74HCT4051-Q100
Table 2. Pin description
Symbol Pin Description
E
6 enable input (active LOW)
V
EE
7 supply voltage
GND 8 ground supply voltage
S0, S1, S2 11, 10, 9 select input
Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7 13, 14, 15, 12, 1, 5, 2, 4 independent input or output
Z 3 common output or input
V
CC
16 supply voltage
