INDUSTRIALTEMPERATURERANGE

IDT74LVCHR162245A

3.3VCMOS16-BITBUSTRANSCEIVERWITH3-STATEOUTPUTS

1

OCTOBER 2015

INDUSTRIAL TEMPERATURE RANGE

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

© 2015 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.

DSC-4598/6

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

IDT74LVCHR162245A

DESCRIPTION:

This 16-bit bus transceiver is built using advanced dual metal CMOS

technology. This high-speed, low power device is ideal for asynchronous

communication between two buses (A and B). The Direction and Output

Enable controls are designed to operate this device as either two indepen-

dent 8-bit transceivers or one 16-bit transceiver. The direction control pin

(DIR) controls the direction of data flow. The output enable pin (OE)

overrides the direction control and disables both ports. All inputs are

designed with hysteresis for improved noise margin.

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 LVCHR162245A has series resistors in the device output structure

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

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

levels.

The LVCHR162245A has “bus-hold” which retains the inputs' last state

whenever the input goes to a high impedance. This prevents floating inputs

and eliminates the need for pull-up/down resistors.

3.3V CMOS 16-BIT

BUS TRANSCEIVER

WITH 3 STATE OUTPUTS,

5 VOLT TOLERANT I/O, BUS-HOLD

1

DIR

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

OE

2

DIR

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

OE

1

47

46

44

43

41

40

38

37

48

2

3

5

6

8

9

11

12

24

36

35

33

32

30

29

27

26

25

13

14

16

17

19

20

22

23