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Ac waveforms(1), Ac characteristics(1), Atf16v8b(ql) – Rainbow Electronics ATF16V8BQL User Manual

Page 4: Ac waveforms, Ac characteristics

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ATF16V8B(QL)

4

AC Waveforms

(1)

Note:

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

Note:

1. See ordering information for valid part numbers and speed grades.

2. Shaded parts are obsolete with a last time buy date of 19 August 1999.

AC Characteristics

(1)

Symbol

Parameter

-10

-15

-25

Units

Min

Max

Min

Max

Min

Max

t

PD

Input or Feedback to
Non-Registered Output

8 outputs switching

3

10

3

15

3

25

ns

1 output switching

ns

t

CF

Clock to Feedback

6

8

10

ns

t

CO

Clock to Output

2

7

2

10

2

12

ns

t

S

Input or Feedback
Setup Time

7.5

12

15

ns

t

H

Hold Time

0

0

0

ns

t

P

Clock Period

12

16

24

ns

t

W

Clock Width

6

8

12

ns

f

MAX

External Feedback 1/(t

S

+t

CO

)

68

45

37

MHz

Internal Feedback 1/(t

S

+ t

CF

)

74

50

40

MHz

No Feedback 1/(t

P

)

83

62

41

MHz

t

EA

Input to Output Enable —
Product Term

3

10

3

15

3

20

ns

t

ER

Input to Output Disable —
Product Term

2

10

2

15

2

20

ns

t

PZX

OE pin to Output Enable

2

10

2

15

2

20

ns

t

PXZ

OE pin to Output Disable

1.5

10

1.5

15

1.5

20

ns