Philips 74HCT4051U, 74HCT4051N, 74HCT4051DB, 74HCT4051D, 74HC4051U Datasheet

DATA SH EET

Product specification
File under Integrated Circuits, IC06

December 1990

INTEGRATED CIRCUITS

74HC/HCT4051

8-channel analog
multiplexer/demultiplexer

For a complete data sheet, please also download:

•The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications

•The IC06 74HC/HCT/HCU/HCMOS Logic Package Information

•The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines

December 1990 2

Philips Semiconductors Product specification

8-channel analog
multiplexer/demultiplexer

74HC/HCT4051

FEATURES

• Wide analog input voltage range: ± 5V.

• Low “ON” resistance:

80 Ω (typ.) at VCC− VEE= 4.5 V
70 Ω (typ.) at VCC− VEE= 6.0 V
60 Ω (typ.) at VCC− VEE= 9.0 V

• Logic level translation:
to enable 5 V logic to communicate with ± 5 V analog
signals

• Typical “break before make” built in

• Output capability: non-standard

• ICC category: MSI

GENERAL DESCRIPTION

The 74HC/HCT4051 are high-speed Si-gate CMOS
devices and are pin compatible with the “4051” of the

“4000B” series. They are specified in compliance with
JEDEC standard no. 7A.

The 74HC/HCT4051 are 8-channel analog
multiplexers/demultiplexers with three digital select inputs
(S

0

to S2), an active LOW enable input (E), eight
independent inputs/outputs (Y0 to Y7) and a common
input/output (Z).

With E LOW, one of the eight switches is selected (low
impedance ON-state) by S0 to S2. With E HIGH, all
switches are in the high impedance OFF-state,
independent of S0 to S2.

VCC and GND are the supply voltage pins for the digital
control inputs (S0 to S2, and E). The VCC to GND ranges
are 2.0 to 10.0 V for HC and 4.5 to 5.5 V for HCT. The
analog inputs/outputs (Y0 to Y7, and Z) can swing between
VCC as a positive limit and VEE as a negative limit.
VCC− VEE may not exceed 10.0 V.

For operation as a digital multiplexer/demultiplexer, VEE is
connected to GND (typically ground).

QUICK REFERENCE DATA

VEE= GND = 0 V; T

amb

=25°C; tr=tf= 6 ns

Notes

1. C

PD

is used to determine the dynamic power dissipation (PD in µW):

PD=CPD× V

CC

2

× fi+ ∑{ (CL+CS)×V

CC

2

× fo} where:
fi= input frequency in MHz
fo= output frequency in MHz
∑ {(CL+CS)×V

CC

2

× fo} = sum of outputs
CL= output load capacitance in pF
CS = max. switch capacitance in pF
VCC= supply voltage in V

2. For HC the condition is VI= GND to V

CC

For HCT the condition is VI= GND to VCC− 1.5 V

SYMBOL PARAMETER CONDITIONS

TYPICAL

UNIT

HC HCT

t

PZH

/ t

PZL

turn “ON” time CL= 15 pF; RL=1kΩ;

VCC=5V

E to V

os

22 22 ns

S

n

to V

os

20 24 ns

t

PHZ

/ t

PLZ

turn “OFF” time

E to V

os

18 16 ns

S

n

to V

os

19 20 ns

C

I

input capacitance 3.5 3.5 pF

C

PD

power dissipation capacitance per switch notes 1 and 2 25 25 pF

C

S

max. switch capacitance

independent (Y) 5 5 pF
common (Z) 25 25 pF

December 1990 3

Philips Semiconductors Product specification

8-channel analog multiplexer/demultiplexer 74HC/HCT4051

ORDERING INFORMATION

See

“74HC/HCT/HCU/HCMOS Logic Package Information”

.

PIN DESCRIPTION

PIN NO. SYMBOL NAME AND FUNCTION

3 Z common input/output
6

E enable input (active LOW)

7V

EE

negative supply voltage
8 GND ground (0 V)
11, 10, 9 S

0

to S

2

select inputs
13, 14, 15, 12, 1, 5, 2, 4 Y

0

to Y

7

independent inputs/outputs
16 V

CC

positive supply voltage

Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol.

December 1990 4

Philips Semiconductors Product specification

8-channel analog multiplexer/demultiplexer 74HC/HCT4051

Fig.4 Functional diagram.

APPLICATIONS

• Analog multiplexing and demultiplexing

• Digital multiplexing and demultiplexing

• Signal gating

FUNCTION TABLE

Notes

1. H = HIGH voltage level
L = LOW voltage level
X = don’t care

INPUTS

channel

ON

ES

2

S

1

S

0

L
L
L
L

L
L
L
L

L

L
H
H

L

H

L

H

Y

0

−Z

Y

1

−Z

Y

2

−Z

Y

3

−Z

L
L
L
L

H
H
H
H

L

L
H
H

L

H

L

H

Y

4

−Z

Y

5

−Z

Y

6

−Z

Y

7

−Z

H X X X none

Fig.5 Schematic diagram (one switch).

December 1990 5

Philips Semiconductors Product specification

8-channel analog multiplexer/demultiplexer 74HC/HCT4051

RA TINGS

Limiting values in accordance with the Absolute Maximum System (IEC 134)
Voltages are referenced to VEE= GND (ground=0V)

Note to ratings

1. To avoid drawing V

CC

current out of terminal Z, when switch current flows in 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. 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.

RECOMMENDED OPERATING CONDITIONS

SYMBOL PARAMETER MIN. MAX. UNIT CONDITIONS

V

CC

DC supply voltage −0.5 +11.0 V

±I

IK

DC digital input diode current 20 mA for VI< −0.5 V or VI> VCC + 0.5 V

±I

SK

DC switch diode current 20 mA for VS< −0.5 V or VS> VCC+ 0.5 V

±I

S

DC switch current 25 mA for −0.5 V < VS<VCC + 0.5 V

±I

EE

DC VEE current 20 mA

±I

CC

; ±I

GND

DC VCC or GND current 50 mA

T

stg

storage temperature range −65 +150 °C

P

tot

power dissipation per package for temperature range: −40 to +125 °C

74HC/HCT
plastic DIL 750 mW above +70 °C: derate linearly with 12 mW/K
plastic mini-pack (SO) 500 mW above +70 °C: derate linearly with 8 mW/K

P

S

power dissipation per switch 100 mW

SYMBOL PARAMETER

74HC 74HCT

UNIT CONDITIONS

min. typ. max. min. typ. max.

V

CC

DC supply voltage VCC − GND 2.0 5.0 10.0 4.5 5.0 5.5 V see Figs 6 and 7

V

CC

DC supply voltage VCC − V

EE

2.0 5.0 10.0 2.0 5.0 10.0 V see Figs 6 and 7

V

I

DC input voltage range GND V

CC

GND V

CC

V

V

S

DC switch voltage range V

EE

V

CCVEE

V

CC

V

T

amb

operating ambient temperature
range

−40 +85 −40 +85 °C
see DC and AC

CHARACTERISTICS

T

amb

operating ambient temperature
range

−40 +125 −40 +125 °C

t

r

, t

f

input rise and fall times

6.0

1000
500
400
250

6.0 500 ns

VCC= 2.0 V
VCC= 4.5 V
VCC= 6.0 V
VCC= 10.0 V