Ac waveforms, Ac characteristics(1), Atf22lv10c(q)z – Rainbow Electronics ATF22LV10CQZ User Manual
Page 4: Ac characteristics
ATF22LV10C(Q)Z
4
AC Waveforms
Note:
1. See ordering information for valid part numbers.
INPUTS, I/O
REG. FEEDBACK
SYNCH. PRESET
CP
ASYNCH. RESET
REGISTERED
OUTPUTS
COMBINATORIAL
OUTPUTS
VALID
VALID
VALID
VALID
VALID
VALID
OUTPUT
DISABLED
OUTPUT
DISABLED
tS
tH
tW
tW
tP
tAR
tAW
tAP
tCO
tPD
tER
tEA
tEA
tER
AC Characteristics
Symbol
Parameter
-25
-30
Units
Min
Max
Min
Max
t
PD
Input or Feedback to Non-registered Output
3.0
25.0
10.0
30.0
ns
t
CF
Clock to Feedback
13.0
10.0
15.0
ns
t
CO
Clock to Output
2.0
15.0
4.0
20.0
ns
t
S
Input or Feedback Setup Time
15.0
18.0
ns
t
H
Input Hold Time
0
0
ns
t
P
Clock Period
25.0
30.0
ns
t
W
Clock Width
12.5
15.0
ns
f
MAX
External Feedback 1/(t
S
+ t
CO
)
Internal Feedback 1/(t
S
+ t
CF
)
No Feedback 1/(t
P
)
33.3
35.7
40.0
25.0
30.0
33.3
MHz
MHz
MHz
t
EA
Input to Output Enable
3.0
25.0
10.0
30.0
ns
t
ER
Input to Output Disable
3.0
25.0
10.0
30.0
ns
t
AP
Input or I/O to Asynchronous Reset of Register
3.0
25.0
10.0
3.0
ns
t
SP
Setup Time, Synchronous Preset
15.0
20.0
ns
t
AW
Asynchronous Reset Width
25.0
30.0
ns
t
AR
Asynchronous Reset Recovery Time
25.0
30.0
ns
t
SPR
Synchronous Preset to Clock Recovery Time
15.0
20.0
ns