17. AC Waveforms, Input Pin Clock
Note:
1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V and
3.0V,
unless otherwise specified.
18. AC Characteristics, Input Pin Clock
-7
Symbol
t
PD
t
EA
t
ER
t
COS
t
CFS
t
SS
t
SFS
t
HS
t
PS
t
WS
Parameter
Input or Feedback to Non-registered Output
Input to Output Enable
Input to Output Disable
Clock to Output
Clock to Feedback
Input Setup Time
Feedback Setup Time
Hold Time
Clock Period
Clock Width
External Feedback 1/(t
SS
+ t
COS
)
f
MAXS
Internal Feedback 1/(t
SFS
+ t
CFS
)
No Feedback 1/(t
PS
)
t
AW
t
ARS
t
AP
t
SPS
Asynchronous Reset Width
Asynchronous Reset Recovery Time
Asynchronous Reset to Registered Output Reset
Setup Time, Synchronous Preset
5
5
5
8
5/9
0
0
4
4
0
7
3.5
95
133
142
10
10
10
11
Min
Max
7.5
7.5
7.5
6.5
3.5
0
0
5
5
0
10
5
83
100
100
15
15
15
Min
-10
Max
10
10
10
7
5
0
0
8/12.5
7
0
12
6
55/44
80
83
C/CL-15
Min
Max
15
15
15
10
5.5
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
ns
ns
ns
ns
8
ATF750C(L)
0776L–PLD–11/08
ATMEL [ ATMEL CORPORATION ]
