PI3B162209V 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI3B162209V

3.3V, 18-Bit Bus Exchange Switch

Pericom Semiconductor 

PI3B16209

PI3B162209 (25Ω) 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

3.3V, 18-Bit Bus Exchange Switch

Product Features

• Near-zero propagation delay

• 5Ω switches connect inputs to outputs

• Fast Switching speed - 5ns (max.)

• Operating Range: 3.0V to 3.6V

• Industrial operating temperature: –40°C to +85°C

• Packages available:

– 48-pin 240-mil wide thin plastic TSSOP (A)

– 48-pin 300-mil wide plastic SSOP (V)

Product Description

Pericom Semiconductor’s PI3B series of logic circuits are produced

in the Company’s advanced 0.35 micron CMOS technology.

The PI3B16209 and PI3B162209 are 3.3 volt, 18-bit bus exchange

switches designed with a low ON resistance (5Ω) allowing inputs

to be connected directly to outputs. The devices operate as an 18-bit

bus switch or as a 9-bit exchanger, providing data exchange between

the four signal ports via the data select pins (S0-S2).

The PI5C162209 device has a built-in 25-ohm series resistor to

reduce noise resulting from reflections, thus eliminating the need

for an external terminating resistor.

Logic Block Diagram

Product Pin Configuration

ONE OF NINE CHANNELS

1A1

1B1

1A2

1B2

FLOW CONTROL

S0

S1

S2

Truth Table

Function

S2 S1 S0 A1 A2

Disconnect

L LLZZ

A1 to B1

L L H B1 Z

A1 to B2

L H L B2 Z

A2 to B1

L H H Z B1

A2 to B2

H L L Z B2

Disconnect

H LHZZ

A1 to B1, A2 to B2 H H L B1 B2

A1 to B2, A2 to B1 H H H B2 B1

Note:

1. H = High Voltage Level

L = Low Voltage Level

Z = High Impedance

S0

1A1

1A2

GND

2A1

2A2

VCC

3A1

3A2

GND

4A1

4A2

5A1

5A2

GND

6A1

6A2

7A1

7A2

GND

8A1

8A2

9A1

9A2

1

48

2

47

3

46

4

45

5

44

6

43

7

42

8

41

9

40

10

39

11 48-PIN 38

12 A, V 37

13

36

14

35

15

34

16

33

17

32

18

31

19

30

20

29

21

28

22

27

23

26

24

25

S1

S2

1B1

1B2

2B1

2B2

GND

3B1

3B2

GND

4B1

4B2

5B1

5B2

GND

6B1

6B2

7B1

7B2

GND

8B1

8B2

9B1

9B2

Product Pin Description

Pin Name I/O

S0-S2

I

xAx

I/O

xBx

I/O

Description

Select Inputs

Bus A

Bus B

1

PS8192B

11/09/98

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