DM74ALS241AN(2000) 查看數據表（PDF） - Fairchild Semiconductor

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DM74ALS241AN
(Rev.:2000)

Octal 3-STATE Bus Driver

Fairchild Semiconductor 

Switching Characteristics DM74ALS240A

over recommended operating free air temperature range

Symbol

Parameter

Conditions

tPLH

Propagation Delay Time

LOW-to-HIGH Level Output

tPHL

Propagation Delay Time

HIGH-to-LOW Level Output

tPZH

Output Enable Time

to HIGH Level Output

tPZL

Output Enable Time

to LOW Level Output

tPHZ

Output Disable Time

from HIGH Level Output

tPLZ

Output Disable Time

from LOW Level Output

VCC = 4.5V to 5.5V,

CL = 50 pF,

R1 = 500Ω,

R2 = 500Ω,

TA = Min to Max

Switching Characteristics DM74ALS241A

over recommended operating free air temperature range

Symbol

Parameter

Conditions

tPLH

Propagation Delay Time

LOW-to-HIGH Level Output

tPHL

Propagation Delay Time

HIGH-to-LOW Level Output

tPZH

Output Enable Time

to HIGH Level Output

tPZL

Output Enable Time

to HIGH Level Output

tPHZ

Output Disable Time

to HIGH Level Output

tPLZ

Output Disable Time

to LOW Level Output

tPZH

Output Enable Time

to HIGH Level Output

tPZL

Output Enable Time

to LOW Level Output

tPHZ

Output Disable Time

from HIGH Level Output

tPLZ

Output Disable Time

from LOW Level Output

VCC = 4.5V to 5.5V,

CL = 50 pF,

R1 = 500Ω,

R2 = 500Ω,

TA = Min to Max

From

(Input)

To

(Output)

Min

2

A

Y

2

3

G

Y

3

2

G

Y

3

Max

Units

9

ns

9

ns

13

ns

18

ns

10

ns

12

ns

From

(Input)

To

(Output)

Min

3

A

Y

3

3

1G

Y

3

2

1G

Y

3

7

2G

Y

7

2

2G

Y

3

Max

Units

11

ns

10

ns

21

ns

21

ns

10

ns

15

ns

21

ns

21

ns

10

ns

15

ns

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