74HC_HCT4051

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© NXP Semiconductors N.V. 2016. All rights reserved.

Product data sheet

Rev. 8 — 5 February 2016

5 of 31

NXP Semiconductors

74HC4051; 74HCT4051

8-channel analog multiplexer/demultiplexer

7.

Functional description

7.1 Function table

[1]

H = HIGH voltage level;

L = LOW voltage level;

X = don’t care.

8.

Limiting values

[1]

To avoid drawing VCC current out of terminal Z, when switch current flows into terminals Yn, the voltage drop across the bidirectional

switch must not exceed 0.4 V. If the switch current flows into terminal Z, no VCC current will flow out of terminals Yn, and in this case

there is no limit for the voltage drop across the switch, but the voltages at Yn and Z may not exceed VCC or VEE.

[2]

For SO16 packages: above 70

C the value of P

tot derates linearly with 8 mW/K.

For SSOP16 and TSSOP16 packages: above 60

C the value of P

tot derates linearly with 5.5 mW/K.

For DHVQFN16 packages: above 60

C the value of P

tot derates linearly with 4.5 mW/K.

Table 3.

Function table[1]

Input

Channel ON

E

S2

S1

S0

LLLLY0 to Z

LLLH

Y1 to Z

LLH

LY2 to Z

L

L

H

H

Y3toZ

LH

LLY4 to Z

LH

LH

Y5 to Z

L

HHL

Y6 to Z

L

HHHY7 to Z

H

XXXswitches off

Table 4.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to VSS = 0 V (ground).

Symbol

Parameter

Conditions

Min

Max

Unit

VCC

supply voltage

[1]

0.5

+11.0

V

IIK

input clamping current

VI < 0.5 V or VI >VCC +0.5 V

-

20

mA

ISK

switch clamping current

VSW < 0.5 V or VSW >VCC +0.5 V

-

20

mA

ISW

switch current

0.5 V < V

SW <VCC +0.5 V

-

25

mA

IEE

supply current

-

20

mA

ICC

supply current

-

50

mA

IGND

ground current

-

50

mA

Tstg

storage temperature

65

+150

C

Ptot

total power dissipation

SO16, (T)SSOP16, and

DHVQFN16 package

[2]

-

500

mW

P

power dissipation

per switch

-

100

mW