4.2
AC Waveforms
4.3
AC Characteristics
Symbol
Parameter
Input or Feedback to
t
PD
Non-Registered Output
t
Clock to Feedback
CF
t
Clock to Output
CO
Input or Feedback
t
S
Setup Time
t
Hold Time
H
t
Clock Period
P
t
Clock Width
W
External Feedback 1/(t
f
Internal Feedback 1/(t
MAX
No Feedback 1/(t
t
Input to Output Enable — Product Term
EA
t
Input to Output Disable — Product Term
ER
t
OE pin to Output Enable
PZX
t
OE pin to Output Disable
PXZ
Note:
1. See ordering information for valid part numbers and speed grades.
0364J–PLD–7/05
(1)
Note:
1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V 3.0V, unless otherwise
specified.
(1)
8 outputs switching
+ t
)
S
CO
+ t
)
S
CF
)
P
ATF16V8B/BQ/BQL
-10
Min
Max
Min
3
10
3
6
2
7
2
7.5
12
0
0
12
16
6
8
68
74
83
3
10
3
2
10
2
2
10
2
1.5
10
1.5
-15
Max
Units
15
ns
8
ns
10
ns
ns
ns
ns
ns
45
MHz
50
MHz
62
MHz
15
ns
15
ns
15
ns
15
ns
5
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