74LS14 datasheet(2/4 Pages) SLS

2 / 4 page

SL74LS14

System Logic

Semiconductor

SLS

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 t o 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

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