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Recommended Operating Conditions

(1) (2) (3)

SN74LVCH8T245

8-BIT DUAL-SUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SCES637A – AUGUST 2005 – REVISED FEBRUARY 2007

MIN

MAX

UNIT

1.65

5.5

Supply voltage

V

1.65

5.5

1.65 V to 1.95 V

2.3 V to 2.7 V

1.7

High-level

V

input voltage

3 V to 3.6 V

2

4.5 V to 5.5 V

1.65 V to 1.95 V

2.3 V to 2.7 V

0.7

Low-level

V

input voltage

3 V to 3.6 V

0.8

4.5 V to 5.5 V

1.65 V to 1.95 V

2.3 V to 2.7 V

1.7

High-level

Control inputs

V

input voltage

3 V to 3.6 V

2

4.5 V to 5.5 V

1.65 V to 1.95 V

2.3 V to 2.7 V

0.7

Low-level

Control inputs

V

input voltage

3 V to 3.6 V

0.8

4.5 V to 5.5 V

Input voltage

Control inputs

0

5.5

V

Active state

0

Input/output

V

voltage

3-State

0

5.5

1.65 V to 1.95 V

–4

2.3 V to 2.7 V

–8

High-level output current

mA

3 V to 3.6 V

–24

4.5 V to 5.5 V

–32

1.65 V to 1.95 V

4

2.3 V to 2.7 V

8

Low-level output current

mA

3 V to 3.6 V

24

4.5 V to 5.5 V

32

1.65 V to 1.95 V

20

2.3 V to 2.7 V

20

Input transition

∆t/∆v

Data inputs

ns/V

rise or fall rate

3 V to 3.6 V

10

4.5 V to 5.5 V

5

Operating free-air temperature

–40

85

°C

(1)

(2)

(3)

consumption. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

(4)

(5)

4

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