Ac waveforms(1), Atf20v8c family ac characteristics(1), Atf20v8c – Rainbow Electronics ATF20V8CQZ User Manual
Page 13: Ac waveforms, Atf20v8c family ac characteristic s
13
ATF20V8C
0408H–04/01
AC Waveforms
Note:
1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V and 3.0V, unless otherwise specified.
Notes:
1. See ordering information for valid part numbers and speed grades.
2. Shaded area indicates preliminary data.
ATF20V8C Family AC Characteristics
Symbol
Parameter
C-5
C-7
C-10
C-15
Units
Min
Max
Min
Max
Min
Max
Min
Max
t
PD
Input or Feedback to
Non-registered Output
8 outputs switching
3
5
3
7.5
3
10
3
15
ns
1 output switching
7
10
ns
t
CF
Clock to Feedback
3
3
6
8
ns
t
CO
Clock to Output
2
4
2
5
2
7
2
10
ns
t
S
Input or Feedback Setup Time
3
5
7.5
12
ns
t
H
Hold Time
0
0
0
0
ns
t
P
Clock Period
6
8
12
16
ns
t
W
Clock Width
3
4
6
8
ns
f
MAX
External Feedback 1/(t
S
+ t
CO
)
143
100
68
45
MHz
Internal Feedback 1/(t
S
+ t
CF
)
167
125
74
50
MHz
No Feedback 1/(t
P
)
7
167
125
83
62
MHz
t
EA
Input to Output Enable – Product Term
3
6
3
9
3
10
3
15
ns
t
ER
Input to Output Disable – Product Term
2
6
2
9
2
10
2
15
ns
t
PZX
OE pin to Output Enable
2
5
2
6
2
10
2
15
ns
t
PXZ
OE pin to Output Disable
1.5
5
1.5
6
1.5
10
1.5
15
ns