.hide-partial { max-height: none; } .show-more { display: none; }

Multiplexer Switch ICs

Multiplexer Switch ICs are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many multiplexer switch manufacturers including Analog Devices, Diodes Inc., Nexperia, NXP, Renesas, Texas Instruments, Vishay & more.
More...

Please view our large selection of Multiplexer Switches below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,790

Applied Filters:

Manufacturer

Series

Product

Mounting Style

Package/Case

Number of Channels

Configuration

Supply Voltage - Min

Supply Voltage - Max

Minimum Dual Supply Voltage

Maximum Dual Supply Voltage

On Resistance - Max

On Time - Max

Off Time - Max

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Multiplexer Switch ICs

TMUX7348FPWTEP
Texas Instruments
1: £18.90
200In Stock
New Product

Mfr. Part No.
TMUX7348FPWTEP

Mouser Part No
595-TMUX7348FPWTEP

New Product

Texas Instruments

Multiplexer Switch ICs

Learn More

Datasheet

200In Stock

Cut Tape

£18.90

£15.18

£14.25

£13.38

Reel

£12.74

£12.45

MouseReel Available

Min.: 1
Mult.: 1

: 250

Multiplexers

SMD/SMT

TSSOP-20

8 Channel

8:1

5 V

44 V

5 V

22 V

390 Ohms

185 ns

420 ns

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 100-V flat RON sin g le 8:1 multiplexers

TMUX8108RPWR
Texas Instruments
1: £7.84
1,938In Stock
New Product

Mfr. Part No.
TMUX8108RPWR

Mouser Part No
595-TMUX8108RPWR

New Product

Texas Instruments

Multiplexer Switch ICs 100-V flat RON sin g le 8:1 multiplexers

Learn More

Datasheet

1,938In Stock

Cut Tape

£7.84

£6.09

£5.66

£5.19

View

Reel

£4.74

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,001

: 2,000

TMUX8108

Multiplexer

SMD/SMT

TSSOP-16

1 Channel

1 x 8:1

10 V

100 V

10 V

50 V

38 Ohms

3 us

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 100-V flat RON dua l 4:1 multiplexers w

TMUX8109RPWR
Texas Instruments
1: £7.84
1,990In Stock
New Product

Mfr. Part No.
TMUX8109RPWR

Mouser Part No
595-TMUX8109RPWR

New Product

Texas Instruments

Multiplexer Switch ICs 100-V flat RON dua l 4:1 multiplexers w

Learn More

Datasheet

1,990In Stock

Cut Tape

£7.84

£6.09

£5.66

£5.19

View

Reel

£4.74

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,001

: 2,000

TMUX8109

Multiplexer

SMD/SMT

TSSOP-16

2 Channel

2 x 4:1

10 V

100 V

10 V

50 V

55 Ohms

3 us

650 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

TMUXHS4512IRETR
Texas Instruments
1: £2.27
2,956In Stock
New Product

Mfr. Part No.
TMUXHS4512IRETR

Mouser Part No
595-TMUXHS4512IRETR

New Product

Texas Instruments

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

Learn More

Datasheet

2,956In Stock

Cut Tape

£2.27

£1.69

£1.55

£1.38

View

Reel

£1.20

Min.: 1
Mult.: 1

: 3,000

TMUXHS4512

Multiplexers/Demultiplexers

SMD/SMT

WQFN-40

6 Channel

1.62 V

1.98 V

160 Ohms

200 us

550 ns

- 40 C

+ 125 C

Reel, Cut Tape

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

TMUXHS4512RETR
Texas Instruments
1: £2.00
3,000In Stock
New Product

Mfr. Part No.
TMUXHS4512RETR

Mouser Part No
595-TMUXHS4512RETR

New Product

Texas Instruments

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

Learn More

Datasheet

3,000In Stock

Cut Tape

£2.00

£1.48

£1.35

£1.20

Reel

£1.05

View

Min.: 1
Mult.: 1

: 3,000

TMUXHS4512

Multiplexers/Demultiplexers

SMD/SMT

WQFN-40

6 Channel

1.62 V

1.98 V

160 Ohms

200 us

550 ns

0 C

+ 105 C

Reel, Cut Tape

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

TMUXHS4612IRETR
Texas Instruments
1: £2.27
2,888In Stock
New Product

Mfr. Part No.
TMUXHS4612IRETR

Mouser Part No
595-TMUXHS4612IRETR

New Product

Texas Instruments

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

Learn More

Datasheet

2,888In Stock

Cut Tape

£2.27

£1.69

£1.55

£1.38

View

Reel

£1.22

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,001

: 3,000

TMUXHS4612

Multiplexers/Demultiplexers

SMD/SMT

WQFN-40

6 Channel

3 V

3.6 V

110 Ohms

200 us

400 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

TMUXHS4612RETR
Texas Instruments
1: £2.00
2,461In Stock
New Product

Mfr. Part No.
TMUXHS4612RETR

Mouser Part No
595-TMUXHS4612RETR

New Product

Texas Instruments

Multiplexer Switch ICs 6-channel 20Gbps dif ferential 2:1 mux o

Learn More

Datasheet

2,461In Stock

Cut Tape

£2.00

£1.48

£1.35

£1.20

View

Reel

£1.07

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,001

: 3,000

TMUXHS4612

Multiplexers/Demultiplexers

SMD/SMT

WQFN-40

6 Channel

3 V

3.6 V

110 Ohms

200 us

400 ns

0 C

+ 105 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs DDR Switch T-FBGA4545-48 T&R 3.5K

PI2SSD3212A1NCEX
Diodes Incorporated
1: £3.18
3,431In Stock
New Product

Mfr. Part No.
PI2SSD3212A1NCEX

Mouser Part No
621-PI2SSD3212A1NCEX

New Product

Diodes Incorporated

Multiplexer Switch ICs DDR Switch T-FBGA4545-48 T&R 3.5K

Learn More

Datasheet

3,431In Stock

Cut Tape

£3.18

£2.41

£2.22

£2.01

£1.96

Reel

£1.96

Min.: 1
Mult.: 1
Max.: 343

: 3,500

eMMC/DDR Signal Switch

SMD/SMT

TFBGA-48

14 Channel

4 Ohms

Reel, Cut Tape

Multiplexer Switch ICs 100-V flat RON dua l 4:1 multiplexers w

TMUX8109RUMR
Texas Instruments
1: £8.11
2,648In Stock

Mfr. Part No.
TMUX8109RUMR

Mouser Part No
595-TMUX8109RUMR

Texas Instruments

Multiplexer Switch ICs 100-V flat RON dua l 4:1 multiplexers w

Learn More

Datasheet

2,648In Stock

Cut Tape

£8.11

£6.35

£5.90

£5.41

View

Reel

£4.72

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

TMUX8109

Multiplexers

SMD/SMT

WQFN-16

2 Channel

2 x 4:1

10 V

100 V

10 V

50 V

48 Ohms

3 us

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 100-V flat RON 1:1 ( SPST) four-channe

TMUX8213RUMR
Texas Instruments
1: £6.70
2,753In Stock

Mfr. Part No.
TMUX8213RUMR

Mouser Part No
595-TMUX8213RUMR

Texas Instruments

Multiplexer Switch ICs 100-V flat RON 1:1 ( SPST) four-channe

Learn More

Datasheet

2,753In Stock

Cut Tape

£6.70

£5.19

£4.81

£4.40

View

Reel

£3.74

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

TMUX8213

Multiplexers

SMD/SMT

WQFN-16

4 Channel

10 V

100 V

10 V

50 V

4 us

100 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs +/- 5-V beyond the s upply 2:1 (SPDT) 2-

TMUX2889YBHR
Texas Instruments
1: £1.49
5,665In Stock

Mfr. Part No.
TMUX2889YBHR

Mouser Part No
595-TMUX2889YBHR

Texas Instruments

Multiplexer Switch ICs +/- 5-V beyond the s upply 2:1 (SPDT) 2-

Learn More

Datasheet

5,665In Stock

Cut Tape

£1.49

£1.10

£1.00

£0.899

Reel

£0.751

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

TMUX2889

Multiplexers

SMD/SMT

DSBGA-9

2 Channel

2 x 2:1

1.8 V

5.5 V

250 mOhms

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs +/-12-V 4:1 2-chan n el multiplexer with

TMUX4052PWR
Texas Instruments
1: £0.488
7,329In Stock

Mfr. Part No.
TMUX4052PWR

Mouser Part No
595-TMUX4052PWR

Texas Instruments

Multiplexer Switch ICs +/-12-V 4:1 2-chan n el multiplexer with

Learn More

Datasheet

7,329In Stock

Cut Tape

£0.488

£0.346

£0.31

£0.271

View

Reel

£0.221

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

TMUX4052

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 36-V low Ron 2:1 one channel multiplexer

TMUX6219RQXR
Texas Instruments
1: £3.95
1,985In Stock

Mfr. Part No.
TMUX6219RQXR

Mouser Part No
595-TMUX6219RQXR

Texas Instruments

Multiplexer Switch ICs 36-V low Ron 2:1 one channel multiplexer

Learn More

Datasheet

1,985In Stock

Cut Tape

£3.95

£2.99

£2.76

£2.50

View

Reel

£2.07

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

TMUX6219

Multiplexers

SMD/SMT

WSON-8

1 Channel

4.5 V

36 V

4.5 V

18 V

2.9 Ohms

180 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs +/-60V fault-protect ed 8:1 multiplexers

TMUX7348FPWR
Texas Instruments
1: £5.35
771In Stock

Mfr. Part No.
TMUX7348FPWR

Mouser Part No
595-TMUX7348FPWR

Texas Instruments

Multiplexer Switch ICs +/-60V fault-protect ed 8:1 multiplexers

Learn More

Datasheet

771In Stock

Cut Tape

£5.35

£4.10

£3.79

£3.45

View

Reel

£3.18

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

TMUX7348F

Multiplexers

SMD/SMT

TSSOP-20

1 Channel

1 x 8:1

8 V

44 V

5 V

22 V

250 Ohms

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs +/-60-V fault-protec ted latch-up immune

TMUX7462FPWR
Texas Instruments
1: £6.14
2,620In Stock

Mfr. Part No.
TMUX7462FPWR

Mouser Part No
595-TMUX7462FPWR

Texas Instruments

Multiplexer Switch ICs +/-60-V fault-protec ted latch-up immune

Learn More

Datasheet

2,620In Stock

£6.14

£4.75

£4.40

£4.02

View

Min.: 1
Mult.: 1

TMUX7462F

TSSOP-16

Tube

Multiplexer Switch ICs 1-pA on-state leakag e current 36-V 4:1

MUX36D04IRUMR
Texas Instruments
1: £6.08
5,715In Stock

Mfr. Part No.
MUX36D04IRUMR

Mouser Part No
595-MUX36D04IRUMR

Texas Instruments

Multiplexer Switch ICs 1-pA on-state leakag e current 36-V 4:1

Learn More

Datasheet

5,715In Stock

Cut Tape

£6.08

£4.71

£4.37

£3.99

View

Reel

£3.42

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

MUX36D04

Multiplexers

SMD/SMT

WQFN-16

4 Channel

2 x 4:1

10 V

36 V

5 V

18 V

430 Ohms

149 ns

102 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 9.4-pF on-state capa citance 36-V 8:1 A A 595-MUX508IPW

MUX508IPWR
Texas Instruments
1: £3.22
6,068In Stock

Mfr. Part No.
MUX508IPWR

Mouser Part No
595-MUX508IPWR

Texas Instruments

Multiplexer Switch ICs 9.4-pF on-state capa citance 36-V 8:1 A A 595-MUX508IPW

Learn More

Datasheet

6,068In Stock

Cut Tape

£3.22

£2.44

£2.24

£2.03

Reel

£1.77

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

MUX508

Multiplexers

SMD/SMT

TSSOP-16

8 Channel

1 x 8:1

10 V

36 V

5 V

18 V

200 Ohms

149 ns

75 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 74HC4051BQ/SOT763/DHVQFN16

74HC4051BQ,115
Nexperia
1: £0.255
132,406In Stock

Mfr. Part No.
74HC4051BQ,115

Mouser Part No
771-HC4051BQ115

Nexperia

Multiplexer Switch ICs 74HC4051BQ/SOT763/DHVQFN16

Datasheet

132,406In Stock

Cut Tape

£0.255

£0.175

£0.155

£0.134

Reel

£0.106

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Multiplexers/Demultiplexers

SMD/SMT

DHVQFN-16

8 Channel

1 x 8:1

2 V

10 V

5 V

180 Ohms

59 ns

49 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs Dual 4:1 MUX QFN 4x4mm

DG1409EEN-T1-GE4
Vishay / Siliconix
1: £6.57
9,472In Stock

Mfr. Part No.
DG1409EEN-T1-GE4

Mouser Part No
78-DG1409EEN-T1-GE4

Vishay / Siliconix

Multiplexer Switch ICs Dual 4:1 MUX QFN 4x4mm

Learn More

Datasheet

9,472In Stock

Cut Tape

£6.57

£5.10

£4.68

£4.37

View

Reel

£3.89

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

DG1409

Multiplexers

SMD/SMT

QFN-16

4 Channel

2 x 4:1

4.5 V

24 V

4.5 V

15 V

1.1 Ohms

215 ns

145 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs Dual 4 Ch Multiplxr 3-16V <50pA 35ns

DG4052EEN-T1-GE4
Vishay Semiconductors
1: £1.27
22,374In Stock

Mfr. Part No.
DG4052EEN-T1-GE4

Mouser Part No
78-DG4052EEN-T1-GE4

Vishay Semiconductors

Multiplexer Switch ICs Dual 4 Ch Multiplxr 3-16V <50pA 35ns

Learn More

Datasheet

22,374In Stock

Cut Tape

£1.27

£0.934

£0.841

£0.748

Reel

£0.625

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Multiplexers

SMD/SMT

QFN-16

8 Channel

2 x 4:1

3 V

16 V

3 V

8 V

133 Ohms

71 ns

94 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 16 Ch H. Performance CMOS Analog Mux

DG406DW-T1-E3
Vishay / Siliconix
1: £5.89
5,022In Stock

Mfr. Part No.
DG406DW-T1-E3

Mouser Part No
78-DG406DW-T1-E3

Vishay / Siliconix

Multiplexer Switch ICs 16 Ch H. Performance CMOS Analog Mux

Learn More

Datasheet

5,022In Stock

Cut Tape

£5.89

£4.56

£4.23

£3.86

View

Reel

£3.19

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

DG406/7

Multiplexers

SMD/SMT

SOIC-28

16 Channel

1 X 16:1

7.5 V

44 V

5 V

20 V

125 Ohms

400 ns

300 ns

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs CMOS Analog Multiplexers

DG508BEN-T1-GE4
Vishay Semiconductors
1: £1.59
14,500In Stock

Mfr. Part No.
DG508BEN-T1-GE4

Mouser Part No
78-DG508BEN-T1-GE4

Vishay Semiconductors

Multiplexer Switch ICs CMOS Analog Multiplexers

Datasheet

Product Comments

14,500In Stock

Cut Tape

£1.59

£1.27

£1.16

£1.06

Reel

£0.89

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

DG508B, DG509B

Multiplexers

SMD/SMT

QFN-16

8 Channel

1 x 8:1

0 V

12 V

5 V

20 V

380 Ohms

250 ns

240 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 5V bidirectional 8: 1 1-channel multipl

TMUX1308ABQBR
Texas Instruments
1: £0.458
143In Stock
6,000On Order
New Product

Mfr. Part No.
TMUX1308ABQBR

Mouser Part No
595-TMUX1308ABQBR

New Product

Texas Instruments

Multiplexer Switch ICs 5V bidirectional 8: 1 1-channel multipl

Learn More

Datasheet

143In Stock

6,000On Order

Cut Tape

£0.458

£0.325

£0.292

£0.254

View

Reel

£0.217

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,001

: 3,000

TMUX1308A

Multiplexers

SMD/SMT

WQFN-16

1 Channel

1 x 8:1

1.62 V

5.5 V

1.5 kOhms

68 ns

80 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 5V bidirectional 8: 1 1-channel multipl

TMUX1308ADYYR
Texas Instruments
1: £0.368
5,349In Stock
New Product

Mfr. Part No.
TMUX1308ADYYR

Mouser Part No
595-TMUX1308ADYYR

New Product

Texas Instruments

Multiplexer Switch ICs 5V bidirectional 8: 1 1-channel multipl

Learn More

Datasheet

5,349In Stock

Cut Tape

£0.368

£0.255

£0.228

£0.196

Reel

£0.154

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

TMUX1308A

Multiplexers

SMD/SMT

SOT-23-16

1 Channel

1 x 8:1

1.62 V

5.5 V

1.5 kOhms

68 ns

80 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs 5V bidirectional 4: 1 2-channel multipl

TMUX1309ABQBR
Texas Instruments
1: £0.563
2,767In Stock
New Product

Mfr. Part No.
TMUX1309ABQBR

Mouser Part No
595-TMUX1309ABQBR

New Product

Texas Instruments

Multiplexer Switch ICs 5V bidirectional 4: 1 2-channel multipl

Learn More

Datasheet

2,767In Stock

Cut Tape

£0.563

£0.402

£0.361

£0.316

Reel

£0.258

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

TMUX1309A

Multiplexers

SMD/SMT

WQFN-16

2 Channel

2 x 4:1

1.62 V

5.5 V

1.5 kOhms

68 ns

80 ns

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs

Customer Service Office

Company

Resources

Support

74CBTLV3251
74CBTLV3253
74CBTLV3257
74VHC4052
74VHC4053
74VHC4066AFT
AD7506
AD8170
AD8174
AD8180
AD8182
AD8183
AD8184
AD8185
AD8187
AD8188
AD8189
ADG1204
ADG1206
ADG1206L

BGA-48
BGA-50
CDIP-16
CDIP-18
CDIP-28
CLCC-20
DFN-14
DFN-16
DHVQFN-16
DHVQFN-20
DHVQFN-24
DHXQFN-16
DIP-16
DIP-18
DMP-16
DSBGA-9
EMP-8
FCLGA-30
FLATPACK-16
FlatPack-16

1 X 16:1
1 x 16:1
1 x 16:2
1 x 2:1
1 x 3:1
1 x 32:1
1 x 4:1
1 x 8:1
1 x 8:1, 2 x 4:1
2 x 1:1
2 x 1:2
2 x 1:4
2 x 16:1
2 x 2:1
2 x 3:1
2 x 4:1
2 x 4 : 1
2 x 8:1
3 x 1:3
3 x 2:1

0 V
800 mV
1 V
1.08 V
1.1 V
1.5 V
1.6 V
1.62 V
1.65 V
1.71 V
1.71 V, 3 V
1.8 V
2 V
2.2 V
2.25 V
2.3 V
2.375 V
2.4 V
2.5 V
2.6 V

1.8 V
1.95 V
1.98 V
1.98 V, 3.6 V
2 V
3.3 V
3.6 V
3.63 V
3.63 V/5.5 V
4.3 V
4.5 V
4.6 V
5 V
5.25 V
5.5 V
6 V
6.5 V
10 V
11 V
12 V

- 12 V
- 5 V
- 4.5 V, 4.5 V
1.08 V
2 V
2.25 V
2.5 V
2.7 V
3 V
3.3 V
4.5 V
5 V
6 V
8 V
9 V
10 V
10.8 V
12 V
13.5 V
15 V

200 mOhms
250 mOhms
750 mOhms
850 mOhms
950 mOhms
1 Ohms
1.1 Ohms
1.5 Ohms
1.7 Ohms
1.8 Ohms
2 Ohms
2.2 Ohms
2.5 Ohms
2.8 Ohms
2.9 Ohms
3 Ohms
3.2 Ohms
3.5 Ohms
4 Ohms
4.5 Ohms

3.8 ns
4.5 ns
4.8 ns
5 ns
5.5 ns
6 ns
6.1 ns
6.3 ns
6.4 ns
6.7 ns
7 ns
8 ns
9 ns
10.5 ns
11.5 ns
12 ns
12.5 ns
13 ns
14 ns
15 ns

900 ps
4 ns
4.3 ns
4.8 ns
5 ns
5.1 ns
5.2 ns
6 ns
6.1 ns
6.5 ns
6.8 ns
7 ns
7.2 ns
8 ns
8.5 ns
9 ns
9.5 ns
10 ns
11 ns
12 ns