SN54/74LS682

• SN54/74LS684 • SN54/74LS688

GUARANTEED OPERATING RANGES

Symbol

Parameter

Min

Typ

Max

Unit

VCC

Supply Voltage

54

74

4.5

4.75

5.0

5.0

5.5

5.25

V

TA

Operating Ambient Temperature Range

54

74

– 55

0

25

25

125

70

°C

IOH

Output Current — High

54, 74

–0.4

mA

IOL

Output Current — Low

54

74

12

24

mA

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Symbol

Parameter

Limits

Unit

Test Conditions

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIH

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Voltage for

All Inputs

VIL

Input LOW Voltage

54

0.7

V

Guaranteed Input LOW Voltage for

All Inputs

VIL

Input LOW Voltage

74

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

VIK

Input Clamp Diode Voltage

– 0.65

– 1.5

V

VCC = MIN, IIN = – 18 mA

VOH

Output HIGH Voltage

54

2.5

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VOH

Output HIGH Voltage

74

2.7

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VOL

Output LOW Voltage

54, 74

0.25

0.4

V

IOL = 12 mA

VCC = VCC MIN,

VIN = VIL or VIH

per Truth Table

VOL

Output LOW Voltage

74

0.35

0.5

V

IOL = 24 mA

VIN = VIL or VIH

per Truth Table

IIH

Input HIGH Current

20

µA

VCC = MAX, VIN = 2.7 V

IIH

Input HIGH Current

LS628-Q Inputs

0.1

mA

VCC = MAX, VIN = 5.5 V

IH

Others

0.1

mA

VCC = MAX, VIN = 7.0 V

IIL

Input LOW Current

LS682-Q Inputs

– 0.4

mA

VCC = MAX, VIN = 0.4 V

IIL

Input LOW Current

Others

– 0.2

mA

VCC = MAX, VIN = 0.4 V

IOS

Short Circuit Current (Note 1)

– 30

– 130

mA

VCC = MAX

ICC

Power Supply

Current

LS682

70

mA

VCC = MAX

ICC

Power Supply

Current

LS684

65

mA

VCC = MAX

CC

Current

LS688

65

mA

CC = MAX

Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.

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