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PI74FCT163245

Fast CMOS 3.3V 16-Bit Bidirectional Transceiver

Pericom Semiconductor 

PI74FCT163245

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Product Pin Description

Pin Name

xOE

xDIR

xAx

xBx

GND

VCC

Description

3-State Output Enable Inputs (Active LOW)

Direction Control Input

Side A Inputs or 3-State Inputs

Side B Outputs or 3-State Outputs

Ground

Power

Truth Table

Inputs(1)

XOE

xDIR

L

L

Outputs(1)

Bus B Data to Bus A

L

H

Bus A Data to Bus B

H

X

Z

Note:

1. H = High Voltage Level, X = Don't Care,

L = Low Voltage Level, Z = High Impedance

Product Pin Configuration

1DIR 1

48 1OE

1B0 2

47 1A0

1B1 3

46 1A1

GND 4

45 GND

1B2 5

44 1A2

1B3 6

43 1A3

VCC 7

42 VCC

1B4 8

41 1A4

1B5 9

40 1A5

GND 10

39 GND

1B6 11 48-PIN 38 1A6

1B7 12 V48

A48

2B0 13 K48

37 1A7

36 2A0

2B1 14

35 2A1

GND 15

34 GND

2B2 16

33 2A2

2B3 17

32 2A3

VCC 18

31 VCC

2B4 19

30 2A4

2B5 20

29 2A5

GND 21

28 GND

2B6 22

27 2A6

2B7 23

26 2A7

2DIR 24

25 2OE

Capacitance (TA = 25°C, f = 1 MHz)

Parameters(1)

Description

Test Conditions

Typ.

CIN

Input Capacitance

VIN = 0V

4.5

COUT

Output Capacitance

VOUT = 0V

5.5

Note:

1. This parameter is determined by device characterization but is not production tested.

Max.

6

8

Units

pF

pF

2

PS2054B

01/18/99

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