SN74LVC138ADE4 datasheet(6/34 Pages) TI1

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SN54LVC138A, SN74LVC138A

SCAS291V – MARCH 1993 – REVISED JANUARY 2013

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Recommended Operating Conditions

(1)

SN54LVC138A

SN74LVC138A

UNIT

MIN

MAX

MIN

MAX

Operating

3.6

1.65

3.6

VCC

Supply voltage

Data retention only

1.5

VCC = 1.65 V to 1.95 V

0.65 × VCC

VIH

High-level input voltage

VCC = 2.3 V to 2.7 V

1.7

VCC = 2.7 V to 3.6 V

VCC = 1.65 V to 1.95 V

0.35 × VCC

VIL

Low-level input voltage

VCC = 2.3 V to 2.7 V

0.7

VCC = 2.7 V to 3.6 V

0.8

Input voltage

5.5

Output voltage

VCC

VCC = 1.65 V

–4

VCC = 2.3 V

–8

IOH

High-level output current

VCC = 2.7 V

–12

VCC = 3 V

–24

VCC = 1.65 V

VCC = 2.3 V

IOL

Low-level output current

VCC = 2.7 V

VCC = 3 V

Δt/Δv Input transition rise or fall rate

ns/V

Operating free-air temperature

–55

125

-40

°C

(1)

All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

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