SN74LVCHR16245A

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SCAS582Q – NOVEMBER 1996 – REVISED OCTOBER 2014

7.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

(1)

MIN

MAX

UNIT

Operating

1.65

3.6

Supply voltage

V

Data retention only

1.5

High-level input voltage

1.7

V

2

Low-level input voltage

0.7

V

0.8

Input voltage

0

5.5

V

High or low state

0

Output voltage

V

3-state

0

5.5

–2

–4

High-level output current

mA

–8

–12

2

4

Low-level output current

mA

8

12

Δt/Δv

Input transition rise or fall rate

10

ns/V

Operating free-air temperature

–40

125

°C

(1)

Implications of Slow or Floating CMOS Inputs (SCBA004).

7.4 Thermal Information

SN74LVCHR16245A

DGG

DGV

DL

UNIT

48 PINS

Junction-to-ambient thermal resistance

64.3

78.4

68.4

Junction-to-case (top) thermal resistance

17.6

30.7

34.7

Junction-to-board thermal resistance

31.5

41.8

41.0

°C/W

Junction-to-top characterization parameter

1.1

3.8

12.3

Junction-to-board characterization parameter

31.2

41.3

40.4

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report (SPRA953).

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