74LS195 datasheet(4/8 Pages) ONSEMI

4 / 8 page

SN74LS195A

http://onsemi.com

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIH

Input HIGH Voltage

2.0

Guaranteed Input HIGH Voltage for

All Inputs

VIL

Input LOW Voltage

0.8

Guaranteed Input LOW Voltage for

All Inputs

VIK

Input Clamp Diode Voltage

– 0.65

– 1.5

VCC = MIN, IIN = – 18 mA

VOH

Output HIGH Voltage

2.7

3.5

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

Output LOW Voltage

0.25

0.4

IOL = 4.0 mA

VCC = VCC MIN,

VIN =VIL or VIH

VOL

Output LOW Voltage

0.35

0.5

IOL = 8.0 mA

VIN = VIL or VIH

per Truth Table

Input HIGH Current

µA

VCC = MAX, VIN = 2.7 V

IIH

Input HIGH Current

0.1

VCC = MAX, VIN = 7.0 V

IIL

Input LOW Current

– 0.4

VCC = MAX, VIN = 0.4 V

IOS

Short Circuit Current (Note 1)

–20

– 100

VCC = MAX

ICC

Power Supply Current

VCC = MAX

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

AC CHARACTERISTICS (TA = 25°C)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

fMAX

Maximum Clock Frequency

MHz

tPLH

tPHL

Propagation Delay,

Clock to Output

VCC = 5.0 V

CL = 15 pF

tPHL

Propagation Delay,

MR to Output

15 F

AC SETUP REQUIREMENTS (TA = 25°C)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

CP Clock Pulse Width

MR Pulse Width

PE Setup Time

Data Setup Time

VCC = 5.0 V

trec

Recovery Time

trel

PE Release Time

Data Hold Time

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