Instruction Manual

23
ATF20V8CQZ
0408H–04/01
Notes: 1. See ordering information for valid part numbers and speed grades.
2. Shaded areas indicate preliminary data.
ATF20V8CQZ AC Characteristics
(1)
Symbol Parameter
CQZ-15
Units
Min Max
t
PD
Input or Feedback to
Non-registered Output
8 outputs switching
3 15 ns
1 output switching
10 ns
t
CF
Clock to Feedback 8ns
t
CO
Clock to Output 2 10 ns
t
S
Input or Feedback Setup Time 12 ns
t
H
Hold Time 0 ns
t
P
Clock Period 16 ns
t
W
Clock Width 8 ns
f
MAX
External Feedback 1/(t
S
+ t
CO
) 45 MHz
Internal Feedback 1/(t
S
+ t
CF
) 50 MHz
No Feedback 1/(t
P
) 62 MHz
t
EA
Input to Output Enable – Product Term 3 15 ns
t
ER
Input to Output Disable – Product Term 2 15 ns
t
PZX
OE pin to Output Enable 2 15 ns
t
PXZ
OE pin to Output Disable 1.5 15 ns