SN54LS38J 데이터 시트보기 (PDF) - Motorola => Freescale

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SN54LS38J

QUAD 2-INPUT NAND BUFFER

Motorola => Freescale 

SN54 / 74LS38

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

54

0.7

Guaranteed Input LOW Voltage for

VIL

Input LOW Voltage

74

0.8

V

All Inputs

VIK

IOH

VOL

Input Clamp Diode Voltage

Output HIGH Current

Output LOW Voltage

54, 74

54, 74

74

– 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

IIH

Input HIGH Current

IIL

Input LOW Current

Power Supply Current

ICC

Total, Output HIGH

Total, Output LOW

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

FAST AND LS TTL DATA

5-96

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