SN74LS163A 查看數據表（PDF） - ON Semiconductor

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SN74LS163A

BCD Decade Counters/4−Bit Binary Counters

ON Semiconductor 

SN74LS161A, SN74LS163A

LS161A

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol

VIH

Parameter

Input HIGH Voltage

Min Typ Max Unit

Test Conditions

2.0

V

Guaranteed Input HIGH Voltage for

All Inputs

VIL

Input LOW Voltage

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

2.7

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VOL

Output LOW Voltage

0.25 0.4

0.35 0.5

V

IOL = 4.0 mA

V

IOL = 8.0 mA

VCC = VCC MIN,

VIN = VIL or VIH

per Truth Table

Input HIGH Current

MR, Data, CEP, Clock

IIH

PE, CET

MR, Data, CEP, Clock

PE, CET

20

μA VCC = MAX, VIN = 2.7 V

40

0.1

mA VCC = MAX, VIN = 7.0 V

0.2

Input LOW Current

IIL

MR, Data, CEP, Clock

PE, CET

−0.4 mA VCC = MAX, VIN = 0.4 V

− 0.8

IOS

Short Circuit Current (Note 2)

− 20

−100 mA

Power Supply Current

ICC

Total, Output HIGH

Total, Output LOW

31

mA

32

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

VCC = MAX

VCC = MAX

LS163A

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Symbol

VIH

Parameter

Input HIGH Voltage

Limits

Min Typ Max

2.0

Unit

Test Conditions

V

Guaranteed Input HIGH Voltage for

All Inputs

VIL

Input LOW Voltage

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

2.7

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VOL

Output LOW Voltage

0.25 0.4

0.35 0.5

V

IOL = 4.0 mA

V

IOL = 8.0 mA

VCC = VCC MIN,

VIN = VIL or VIH

per Truth Table

Input HIGH Current

Data, CEP, Clock

IIH

PE, CET, SR

Data, CEP, Clock

PE, CET, SR

20

μA VCC = MAX, VIN = 2.7 V

40

0.1

mA VCC = MAX, VIN = 7.0 V

0.2

Input LOW Current

IIL

Data, CEP, Clock, PE, SR

CET

−0.4 mA VCC = MAX, VIN = 0.4 V

− 0.8

IOS

Short Circuit Current (Note 3)

− 20

−100 mA

Power Supply Current

ICC

Total, Output HIGH

Total, Output LOW

31

mA

32

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

VCC = MAX

VCC = MAX

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