Ac waveforms(1), Ac characteristics(1), Atf20v8b(q)(l) – Rainbow Electronics ATF20V8BQL User Manual
Page 4: Ac waveforms, Ac characteristics
ATF20V8B(Q)(L)
4
AC Waveforms
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 parts are obsolete with a last time buy data of of 19 August 1999.
AC Characteristics
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
3
6
8
10
ns
t
CO
Clock to Output
2
5
2
7
2
10
2
12
ns
t
S
Input or Feedback
Setup Time
5
7.5
12
15
ns
t
H
Hold Time
0
0
0
0
ns
t
P
Clock Period
8
12
16
24
ns
t
W
Clock Width
4
6
8
12
ns
f
MAX
External Feedback 1/(t
S
+ t
CO
)
100
68
45
37
MHz
Internal Feedback 1/(t
S
+ t
CF
)
125
74
50
40
MHz
No Feedback 1/(t
P
)
125
83
62
41
MHz
t
EA
Input to Output Enable — Product Term
3
9
3
10
3
15
3
20
ns
t
ER
Input to Output Disable —Product Term
2
9
2
10
2
15
2
20
ns
t
PZX
OE pin to Output Enable
2
6
2
10
2
15
2
20
ns
t
PXZ
OE pin to Output Disable
1.5
6
1.5
10
1.5
15
1.5
20
ns