5
0364J–PLD–7/05
ATF16V8B/BQ/BQL
4.2
AC Waveforms
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.
4.3
Symbol
Parameter
-10
-15
Units
Min
Max
Min
Max
t
PD
Input or Feedback to
Non-Registered Output
8 outputs switching
3
10
3
15
ns
t
CF
Clock to Feedback
6
8
ns
t
CO
Clock to Output
2
7
2
10
ns
t
S
Input or Feedback
Setup Time
7.5
12
ns
t
H
Hold Time
0
0
ns
t
P
Clock Period
12
16
ns
t
W
Clock Width
6
8
ns
f
MAX
External Feedback 1/(t
S
+ t
CO
)
68
45
MHz
Internal Feedback 1/(t
S
+ t
CF
)
74
50
MHz
No Feedback 1/(t
P
)
83
62
MHz
t
EA
Input to Output Enable — Product Term
3
10
3
15
ns
t
ER
Input to Output Disable — Product Term
2
10
2
15
ns
t
PZX
OE pin to Output Enable
2
10
2
15
ns
t
PXZ
OE pin to Output Disable
1.5
10
1.5
15
ns
Summary of Contents for ATF16V8B
Page 11: ...11 0364J PLD 7 05 ATF16V8B BQ BQL Figure 11 3 Registered Mode Logic Diagram ...
Page 13: ...13 0364J PLD 7 05 ATF16V8B BQ BQL Figure 11 5 Complex Mode Logic Diagram ...
Page 15: ...15 0364J PLD 7 05 ATF16V8B BQ BQL Figure 11 7 Simple Mode Logic Diagram ...
