Ac characteristics, Power-down ac characteristics(1)(2)(3), Atf16v8c – Rainbow Electronics ATF16V8C User Manual
Page 4: Power-down ac characteristi cs
ATF16V8C
4
Notes:
1. Output data is latched and held.
2. HI-Z outputs remain HI-Z.
3. Clock and input transitions are ignored.
AC Characteristics
Symbol
Parameter
-5
-7
Units
Min
Max
Min
Max
t
PD
Input or Feedback to Non-Registered Output
1
5
3
7.5
ns
t
CF
Clock to Feedback
3
3
ns
t
CO
Clock to Output
1
4
2
5
ns
t
S
Input or Feedback Setup Time
3
5
ns
t
H
Input Hold Time
0
0
ns
t
P
Clock Period
6
8
ns
t
W
Clock Width
3
4
ns
F
MAX
External Feedback 1/(t
S
+ t
CO
)
142
100
MHz
Internal Feedback 1/(t
S
+ t
CF
)
166
125
MHz
No Feedback 1/(t
P
)
166
125
MHz
t
EA
Input to Output Enable – Product Term
2
6
3
9
ns
t
ER
Input to Output Disable – Product Term
2
5
2
9
ns
t
PZX
OE pin to Output Enable
2
5
2
6
ns
t
PXZ
OE pin to Output Disable
1.5
5
1.5
6
ns
Power-down AC Characteristics
Symbol
Parameter
-5
-7
Units
Min
Max
Min
Max
t
IVDH
Valid Input Before PD High
5.0
7.5
ns
t
GVDH
Valid OE Before PD High
0
0
ns
t
CVDH
Valid Clock Before PD High
0
0
ns
t
DHIX
Input Don’t Care After PD High
5.0
7.5
ns
t
DHGX
OE Don’t Care After PD High
5.0
7.5
ns
t
DHCX
Clock Don’t Care After PD High
5.0
7.5
ns
t
DLIV
PD Low to Valid Input
5.0
7.5
ns
t
DLGV
PD Low to Valid OE
15.0
20.0
ns
t
DLCV
PD Low to Valid Clock
15.0
20.0
ns
t
DLOV
PD Low to Valid Output
20.0
25.0
ns