INDUSTRIALTEMPERATURERANGE

IDT74LVCR16952A

3.3V CMOS 16-BIT REGISTERED TRANSCEIVER

1

JANUARY 2004

INDUSTRIAL TEMPERATURE RANGE

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

© 2004 Integrated Device Technology, Inc.

DSC-4484/2

FEATURES:

• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using

machine model (C = 200pF, R = 0)

• CMOS power levels (0.4

µµµµµ W typ. static)

• All inputs, outputs, and I/O are 5V tolerant

• Supports hot insertion

• Available in TSSOP package

FUNCTIONAL BLOCK DIAGRAM

APPLICATIONS:

• 5V and 3.3V mixed voltage systems

• Data communication and telecommunication systems

DRIVE FEATURES:

• Balanced Output Drivers: ±12mA

• Low switching noise

IDT74LVCR16952A

DESCRIPTION:

This 16-bit registered transceiver is built using advanced dual metal

CMOS technology. This high-speed, low power device is organized as two

independent 8-bit D-type registered transceivers with separate input and

output control for independent control of data flow in either direction. For

example, the A-to-B Enable (CEAB) must be LOW to enter data from the A

port.CLKABcontrolstheclockingfunction. WhenCLKABtogglesfromLOW-

to-HIGH, the data present on the A port will be clocked into the register.

OEAB performs the output enable function on the B port. Data flow from the

BporttoAportissimilarbutrequiresusingCEBA,CLKBA,andOEBAinputs.

Full 16-bit operation is achieved by tying the control pins of the independent

transceivers together.

All pins can be driven from either 3.3V or 5V devices. This feature allows

the use of this device as a translator in a mixed 3.3V/5V supply system.

The LVCR162952A has series resistors in the device output structure

which will significantly reduce line noise when used with light loads.This

driver has been developed to drive ±12mA at the designated threshold

levels.

3.3V CMOS 16-BIT

REGISTERED TRANSCEIVER

WITH 3-STATE OUTPUTS

AND 5 VOLT TOLERANT I/O

C

CE

D

C

CE

D

1

OEAB

1

CEAB

1

CLKAB

1

OEBA

1

1

TO SEVEN OTHER CHANNELS

1

CEBA

1

CLKBA

C

CE

D

C

CE

D

2

OEAB

2

CEAB

2

CLKAB

2

OEBA

2

2

2

CEBA

2

CLKBA

54

55

1

3

2

56

5

52

31

30

28

26

27

29

15

42

TO SEVEN OTHER CHANNELS