SN74LS38DR2 查看數據表（PDF） - ON Semiconductor

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SN74LS38DR2

Quad 2-Input NAND Buffer

ON Semiconductor 

SN74LS38

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

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

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

VIK

IOH

VOL

IIH

IIL

ICC

Input Clamp Diode Voltage

Output HIGH Current

Output LOW Voltage

Input HIGH Current

Input LOW Current

Power Supply Current

Total, Output HIGH

Total, Output LOW

–0.65 –1.5

V

VCC = MIN, IIN = –18 mA

250

µA

VCC = MIN, VOH = MAX

0.25 0.4

0.35 0.5

V

IOL = 12 mA

V

IOL = 24 mA

VCC = VCC MIN,

VIN = VIL or VIH

per Truth Table

20

µA

VCC = MAX, VIN = 2.4 V

0.1

mA VCC = MAX, VIN = 7.0 V

–0.4 mA VCC = MAX, VIN = 0.4 V

2.0

mA VCC = MAX

12

AC CHARACTERISTICS (TA = 25°C)

Symbol

tPLH

tPHL

Parameter

Turn-Off Delay, Input to Output

Turn-On Delay, Input to Output

Limits

Min Typ Max Unit

20

32

ns

18

28

ns

Test Conditions

VCC = 5.0 V, RL = 667 Ω

CL = 45 pF

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