Multiplexer Switch ICs – Mouser United Kingdom

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PI3B3257 Multiplexer/Demultiplexer Switches

Diodes Incorporated PI3B3257 Multiplexer/Demultiplexer Switches are 3.3V quad 2:1 Mux/DeMux with three-state output pinout and function compatible with PI74FCT257T, 74F257, and 74ALS/AS/LS257. The Diodes Incorporated switches feature non-zero propagation delay and 5Ω low On-Resistance. The PI3B3257 mux/demux switches are pin-compatible with 74 series 257 logic devices. These switches offer 120mA DC output current and 0.5W power dissipation. The PI3B3257 mux/demux switches operate at -40°C to 85°C ambient temperature range. These switches function with -0.5V to 4.6V supply voltage to ground potential. The PI3B3257 mux/demux switches are ideal for desktop PCs, industrial PCs, medical devices, monitors, STBs, tablet PCs, and TVs.

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Part #

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

PI3B3257LEX
Diodes Incorporated
1: £0.488
4,612In Stock

Mfr. Part No.
PI3B3257LEX

Mouser Part No
729-PI3B3257LEX

Diodes Incorporated

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

Learn More

Datasheet

4,612In Stock

Cut Tape

£0.488

£0.347

£0.313

£0.272

Reel

£0.272

MouseReel Available

Min.: 1
Mult.: 1
Max.: 240

: 2,500

PI3B3257

Multiplexers/Demultiplexers

SMD/SMT

TSSOP-16

8 Channel

4 x 2:1

2.97 V

3.63 V

8 Ohms

4.5 ns

4.8 ns

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs Bus Switch 3V TSSOP-16 TUBE 96PCS

PI3B3257LE-2017
Diodes Incorporated
1: £0.488
361In Stock

Mfr. Part No.
PI3B3257LE-2017

Mouser Part No
729-PI3B3257LE-2017

Diodes Incorporated

Multiplexer Switch ICs Bus Switch 3V TSSOP-16 TUBE 96PCS

Learn More

Datasheet

361In Stock

£0.488

£0.347

£0.274

£0.273

View

Min.: 1
Mult.: 1

PI3B3257

Multiplexers/Demultiplexers

SMD/SMT

TSSOP-16

8 Channel

4 x 2:1

2.97 V

3.63 V

8 Ohms

4.5 ns

4.8 ns

- 40 C

+ 85 C

Tube

Multiplexer Switch ICs 2:1Demux/Mux Bus Switch 3.3V

PI3B3257QE
Diodes Incorporated
1: £0.443
10In Stock
194Expected 14/08/2026

Mfr. Part No.
PI3B3257QE

Mouser Part No
729-PI3B3257QE

Diodes Incorporated

Multiplexer Switch ICs 2:1Demux/Mux Bus Switch 3.3V

Learn More

Datasheet

10In Stock

194Expected 14/08/2026

£0.443

£0.416

£0.392

£0.378

Min.: 1
Mult.: 1

PI3B3257

Multiplexers/Demultiplexers

SMD/SMT

QSOP-16

8 Channel

4 x 2:1

2.97 V

3.63 V

8 Ohms

4.5 ns

4.8 ns

- 40 C

+ 85 C

Tube

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

PI3B3257QEX
Diodes Incorporated
1: £0.421
1,519In Stock
2,500Expected 26/06/2026

Mfr. Part No.
PI3B3257QEX

Mouser Part No
729-PI3B3257QEX

Diodes Incorporated

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

Learn More

Datasheet

1,519In Stock

2,500Expected 26/06/2026

Cut Tape

£0.421

£0.294

£0.265

£0.23

View

Reel

£0.182

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

PI3B3257

Multiplexers/Demultiplexers

SMD/SMT

QSOP-16

8 Channel

4 x 2:1

2.97 V

3.63 V

8 Ohms

4.5 ns

4.8 ns

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs Bus Switch 3V QSOP-16 T&R 2.5K

PI3B3257QEX-2017
Diodes Incorporated
1: £0.421
2,490In Stock

Mfr. Part No.
PI3B3257QEX-2017

Mouser Part No
729-PI3B3257QEX-2017

Diodes Incorporated

Multiplexer Switch ICs Bus Switch 3V QSOP-16 T&R 2.5K

Learn More

Datasheet

2,490In Stock

Cut Tape

£0.421

£0.294

£0.265

£0.23

View

Reel

£0.187

Min.: 1
Mult.: 1

: 2,500

PI3B3257

Multiplexers

SMD/SMT

QSOP-16

- 40 C

+ 85 C

Reel, Cut Tape

Multiplexer Switch ICs Bus Switch 3V TSSOP-16 T&R 2.5K

PI3B3257LEX-2017
Diodes Incorporated
1: £0.488
2,490In Stock

Mfr. Part No.
PI3B3257LEX-2017

Mouser Part No
729-PI3B3257LEX-2017

Diodes Incorporated

Multiplexer Switch ICs Bus Switch 3V TSSOP-16 T&R 2.5K

Learn More

Datasheet

2,490In Stock

Cut Tape

£0.488

£0.347

£0.313

£0.272

View

Reel

£0.223

Min.: 1
Mult.: 1

: 2,500

PI3B3257

Multiplexers

SMD/SMT

TSSOP-16

- 40 C

+ 85 C

Reel, Cut Tape

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

PI3B3257LE
Diodes Incorporated
1: £0.465
5In Stock

Mfr. Part No.
PI3B3257LE

Mouser Part No
729-PI3B3257LE

Diodes Incorporated

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

Learn More

Datasheet

5In Stock

£0.465

£0.321

£0.287

£0.24

Min.: 1
Mult.: 1

PI3B3257

Multiplexers/Demultiplexers

SMD/SMT

TSSOP-16

8 Channel

4 x 2:1

2.97 V

3.63 V

8 Ohms

4.5 ns

4.8 ns

- 40 C

+ 85 C

Tube

Multiplexer Switch ICs Bus Switch 3V U-QFN3030-16 T&R 3.5K

PI3B3257ZHDEX
Diodes Incorporated
1: £0.421
1,479Expected 26/06/2026

Mfr. Part No.
PI3B3257ZHDEX

Mouser Part No
621-PI3B3257ZHDEX

Diodes Incorporated

Multiplexer Switch ICs Bus Switch 3V U-QFN3030-16 T&R 3.5K

Learn More

Datasheet

1,479Expected 26/06/2026

Cut Tape

£0.421

£0.294

£0.265

£0.23

View

Reel

£0.185

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

PI3B3257

Multiplexers

SMD/SMT

UQFN-16

8 Channel

4 x 2:1

2.97 V

3.63 V

8 Ohms

4.5 ns

4.8 ns

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Multiplexer Switch ICs Bus Switch 3V QSOP-16 TUBE 97PCS

PI3B3257QE-2017
Diodes Incorporated
1: £0.443
388Factory Stock Available

Mfr. Part No.
PI3B3257QE-2017

Mouser Part No
729-PI3B3257QE-2017

Diodes Incorporated

Multiplexer Switch ICs Bus Switch 3V QSOP-16 TUBE 97PCS

Learn More

Datasheet

388Factory Stock Available

More Info Available

£0.443

£0.308

£0.265

£0.23

View

Min.: 1
Mult.: 1

PI3B3257

Multiplexers

SMD/SMT

QSOP-16

- 40 C

+ 85 C

Tube

Multiplexer Switch ICs Bus Switch 3V SO-16 TUBE 48PCS

PI3B3257WE-2017
Diodes Incorporated
1: £0.548
28,800Factory Stock Available

Mfr. Part No.
PI3B3257WE-2017

Mouser Part No
729-PI3B3257WE-2017

Diodes Incorporated

Multiplexer Switch ICs Bus Switch 3V SO-16 TUBE 48PCS

Learn More

Datasheet

28,800Factory Stock Available

More Info Available

£0.548

£0.382

£0.334

Min.: 1
Mult.: 1

PI3B3257

Multiplexers

SMD/SMT

SOIC-16

- 40 C

+ 85 C

Tube

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

PI3B3257WEX
Diodes Incorporated
2,500: £0.255
10,000Factory Stock Available

Mfr. Part No.
PI3B3257WEX

Mouser Part No
729-PI3B3257WEX

Diodes Incorporated

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

Learn More

Datasheet

10,000Factory Stock Available

More Info Available

Reel

£0.255

Min.: 2,500
Mult.: 2,500

: 2,500

PI3B3257

Multiplexers/Demultiplexers

SMD/SMT

SOIC-16

2.97 V

3.63 V

- 40 C

+ 85 C

Reel

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

PI3B3257WE
Diodes Incorporated
1: £0.518
Non-Stocked Lead-Time 35 Weeks

Mfr. Part No.
PI3B3257WE

Mouser Part No
729-PI3B3257WE

Diodes Incorporated

Multiplexer Switch ICs 3.3V 2:1 Demux Mux Bus Switch

Learn More

Datasheet

Non-Stocked Lead-Time 35 Weeks

£0.518

£0.368

£0.308

Min.: 1
Mult.: 1

PI3B3257

Multiplexers/Demultiplexers

SMD/SMT

SOIC-16

8 Channel

4 x 2:1

2.97 V

3.63 V

8 Ohms

4.5 ns

4.8 ns

- 40 C

+ 85 C

Tube

Multiplexer Switch ICs Bus Switch 3V SO-16 T&R 2.5K

PI3B3257WEX-2017
Diodes Incorporated
2,500: £0.238
Non-Stocked Lead-Time 35 Weeks

Mfr. Part No.
PI3B3257WEX-2017

Mouser Part No
729-PI3B3257WEX-2017

Diodes Incorporated

Multiplexer Switch ICs Bus Switch 3V SO-16 T&R 2.5K

Learn More

Datasheet

Non-Stocked Lead-Time 35 Weeks

Reel

£0.238

Min.: 2,500
Mult.: 2,500

: 2,500

PI3B3257

Multiplexers

SMD/SMT

SOIC-16

- 40 C

+ 85 C

Reel

PI3B3257 Multiplexer/Demultiplexer Switches

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