1

PS8387F

09/29/04

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

32

31

30

29

28

27

26

25

36

35

34

33

24

23

22

21

SEL

1

1

2

3

3

4

5

GND

8

5

7

10

12

6

7

9

9

11

11

1

2

2

3

4

4

GND

5

6

8

8

6

7

9

10

10

12

12

11

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Features

• Pulldown on B Ports

• Low Power – 1mW

• Industrial Operation Temperature: –40ºC to 85ºC

• Near-Zero Propagation Delay

• Switching Speed: 4.5ns max.

• Channel on capacitance: 11pF typ.

• >100 MHz bandwidth

• Packaging (Pb-free & Green available):

-40-pinBQSOP(B)

Description

PericomSemiconductor’s PI3B16226isa12-bitto24-bitmux/demux

switch. Industry leading advantages include almost zero propagation

delay of 500ps because of 8-ohm channel resistance and low I/O

capacitance.

A1 port demultiplexes to either port B1 or B2. The switch is

bidirectional.

Application

Memory Switching

PI3B16226

3.3V, Low Capacitance 12-Bit to 24-Bit

Mux/DeMux NanoSwitch™

Block Diagram

PinConfiguration

FunctionTable

L

E

SN

O

I

T

C

N

U

F

Ln

Α

n

o

t

l

Βl

Hn

Α

n

o

t

l

Β2

Note: n = 1–12

12B1

12A1

1A1

12B2

1B2

SEL

1B1

AB

SEL