IN74LS14 datasheet(2/4 Pages) IKSEMICON

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IN74LS14

Rev. 00

MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC

Supply Voltage

7.0

VIN

Input Voltage

7.0

VOUT

Output Voltage

5.5

Tstg

Storage Temperature Range

-65 to +150

°C

*Maximum Ratings are those values beyond which damage to the device may occur.

Functional operation should be restricted to the Recommended Operating Conditions.

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Max

Unit

VCC

Supply Voltage

4.75

5.25

IOH

High Level Output Current

-15

IOL

Low Level Output Current

Ambient Temperature Range

+70

°C

DC ELECTRICAL CHARACTERISTICS over full operating conditions

Guaranteed Limit

Symbol

Parameter

Test Conditions

Min

Max

Unit

VT+ -

Positive-Going Input Threshold

Voltage

VCC = 5 V

0.5

VT- -

Negative-Going Input Threshold

Voltage

VCC = 5 V

1.4

1.9

VT+ - VT-

Hysteresis

VCC = 5 V

0.4

VIK

Input Clamp Voltage

VCC = min, IIN = -18 mA

-1.5

VOH

High Level Output Voltage

VCC = min, IOH = -0.4 mA,

VI=0.5 V

2.7

VOL

Low Level Output Voltage

VCC = min, IOL = 4 mA

VI=1.9 V

0.4

VCC = min, IOL = 8 mA

VI=1.9 V

0.5

IIH

High Level Input Current

VCC = max, VIN = 2.7 V

μA

VCC = max, VIN = 7.0 V

0.1

IIL

Low Level Input Current

VCC = max, VIN = 0.4 V

-0.4

Output Short Circuit Current

VCC = max, VO =0 V

(Note 1)

-20

-100

ICC

Supply Current

Total with

outputs high

VCC = max

Total with

outputs low

Note 1: Not more than one output should be shorted at a time, and the duration should not exceed one second.

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