SL74LV245 데이터 시트보기 (PDF) - System Logic Semiconductor

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SL74LV245

OCTAL BUS TRANSCEIVER (3-State)

System Logic Semiconductor 

SL74LV245

AC CHARACTERISTICS(CL=50 pF, tLH = tHL = 6.0 ns)

Symbol

Parameter

Test

VCC,

conditions V

25° C

Limits

-40°C to

85° C

125° C

min max min max min max

tPHL, tPLH Propagation

Figure 1

1.2 - 100 - 125 -

140

from An to delay

2.0 - 23 - 28 -

34

Bn,

3.0 - 14 - 18 -

21

from Bn to An

tPHZ tPLZ 3-state output Figure 2

1.2 - 120 - 140 -

160

from OE, DIR enable time

2.0 - 30 - 37 -

43

to An, Bn

3.0 - 20 - 24 -

28

tPZH tPZL 3-state output Figure 2

1.2 - 120 - 140 -

160

from OE to disable time

2.0 - 28 - 35 -

43

An, Bn

3.0 - 17 - 21 -

26

tTHL, tTLH HIGH-to-LOW Figure 1

1.2 - 60 -

75 -

90

and LOW-to

2.0 - 15 - 20 -

24

HIGH transition

3.0 - 10 - 13 -

15

time

CI

Input

For inputs 3.0 - 7 -

-

-

-

capacitance 01,19

CI/Î

Input

For inputs/ 3.0 - 20 -

-

-

-

capacitance outputs

02-09,

11-18

CPD

Power

VI = 0 V or 3.0 - 50 -

-

-

-

dissipation

VCC

capacitance (per

one channel)

Unit

ns

ns

pF

SLS

System Logic

Semiconductor

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