SN74LS90D データシートの表示（PDF） - ON Semiconductor

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SN74LS90D

DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER

ON Semiconductor 

SN74LS90

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

54

74

0.7

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

VIK

Input Clamp Diode Voltage

VOH

Output HIGH Voltage

−0.65 −1.5

V

VCC = MIN, IIN = − 18 mA

54

2.5 3.5

74

2.7 3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

V

or VIL per Truth Table

VOL

Output LOW Voltage

54, 74

74

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

IIH

Input HIGH Current

20

μA

VCC = MAX, VIN = 2.7 V

0.1

mA VCC = MAX, VIN = 7.0 V

Input LOW Current

MS, MR

IIL

CP0

CP1 (LS90, LS92)

CP1 (LS93)

− 0.4

−2.4 mA VCC = MAX, VIN = 0.4 V

− 3.2

− 1.6

IOS

Short Circuit Current (Note 1)

− 20

−100 mA VCC = MAX

ICC

Power Supply Current

15

mA VCC = MAX

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

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