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IDT74LVCH16245A

3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS, 5 VOLT TOLERANT I/O AND BUS-HOLD

Integrated Device Technology 

IDT74LVCH16245A

3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS

INDUSTRIAL TEMPERATURE RANGE

PIN CONFIGURATION

1DIR

1B1

1B2

GND

1B3

1B4

VCC

1B5

1B6

GND

1B7

1B8

2B1

2B2

GND

2B3

2B4

VCC

2B5

2B6

GND

2B7

2B8

2DIR

1

48

1OE

2

47

1A1

3

46

1A2

4

45

GND

5

44

1A3

6

43

1A4

7

42

VCC

8

41

1A5

9

40

1A6

10

39

GND

11

38

1A7

12

37

1A8

13

36

2A1

14

35

2A2

15

34

GND

16

33

2A3

17

32

2A4

18

31

VCC

19

30

2A5

20

29

2A6

21

28

GND

22

27

2A7

23

26

2A8

24

25

2OE

SSOP/ TSSOP

TOP VIEW

ABSOLUTE MAXIMUM RATINGS(1)

Symbol

Description

Max

Unit

VTERM Terminal Voltage with Respect to GND –0.5 to +6.5

V

TSTG Storage Temperature

–65 to +150

°C

IOUT DC Output Current

–50 to +50

mA

IIK

Continuous Clamp Current,

IOK

VI < 0 or VO < 0

–50

mA

ICC

Continuous Current through each

ISS

VCC or GND

±100

mA

NOTE:

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause

permanent damage to the device. This is a stress rating only and functional operation

of the device at these or any other conditions above those indicated in the operational

sections of this specification is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect reliability.

CAPACITANCE (TA = +25°C, F = 1.0MHz)

Symbol

Parameter(1)

Conditions Typ. Max. Unit

CIN

Input Capacitance

VIN = 0V

4.5

6 pF

COUT

Output Capacitance VOUT = 0V

6.5

8

pF

CI/O

I/O Port Capacitance VIN = 0V

6.5

8

pF

NOTE:

1. As applicable to the device type.

PIN DESCRIPTION

Pin Names

xOE

xDIR

xAx

xBx

Description

Output Enable Inputs (Active LOW)

Direction Control Input

Side A Inputs or 3-State Outputs(1)

Side B Inputs or 3-State Outputs(1)

NOTE:

1. These pins have "Bus-Hold". All other pins are standard inputs, outputs, or I/Os.

FUNCTION TABLE (EACH 8-BIT SECTION)(1)

Inputs

xOE

xDIR

Outputs

L

L

L

H

Bus B Data to Bus A

Bus A Data to Bus B

H

X

NOTES:

1. H = HIGH Voltage Level

X = Don’t Care

L = LOW Voltage Level

Isolation

2

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