ATF20V8B(Q)(L)

4

AC Waveforms(1)

Note:

1.

Timing measurement reference is 1.5V. Input AC driving levels are 0.0V and 3.0V, unless otherwise specified.

Note:

1.

See ordering information for valid part numbers and speed grades.

2.

Shaded -25 parts are obsolete with a last-time buy date of August 19, 1999.

3.

Shaded -7 and -15 parts are obsolete with a last-time buy date of September 30, 2006.

AC Characteristics

(1)

Symbol

Parameter

-7

-10

-15

-25

Units

Min

Max

Min

Max

Min

Max

Min

Max

t

PD

Input or Feedback to

Non-Registered Output

8 outputs switching

3

7.5

3

10

3

15

3

25

ns

1 output switching

7

ns

t

CF

Clock to Feedback

36

8

10

ns

Clock to Output

2

527

2

10

2

12

ns

Input or Feedback

Setup Time

5

7.5

12

15

ns

Hold Time

0

0

0

0

ns

Clock Period

8

12

16

24

ns

t

W

Clock Width

4

6

8

12

ns

f

MAX

100

68

45

37

MHz

Internal Feedback 1/(t

125

74

50

40

MHz

No Feedback 1/(t

125

83

62

41

MHz

Input to Output Enable — Product Term

3

93

10

3

15

3

20

ns

t

ER

Input to Output Disable —Product Term

2

92

10

2

15

2

20

ns

t

PZX

OE pin to Output Enable

2

62

10

2

15

2

20

ns

OE pin to Output Disable

1.5

61.5

10

1.5

15

1.5

20

ns