
14
1615J–PLD–01/06
ATF1502ASV
13. AC Characteristics
Table 13-1.
AC Characteristics
Symbol
Parameter
-15
-20
Units
Min
Max
Min
Max
t
PD1
Input or Feedback to Non-registered Output
3
15
20
ns
tPD2
I/O Input or Feedback to Non-registered Feedback
3
12
16
ns
tSU
Global Clock Setup Time
11
16
ns
t
H
Global Clock Hold Time
0
ns
tFSU
Global Clock Setup Time of Fast Input
3
ns
tFH
Global Clock Hold Time of Fast Input
1
1.5
MHz
t
COP
Global Clock to Output Delay
8
10
ns
tCH
Global Clock High Time
5
6
ns
tCL
Global Clock Low Time
5
6
ns
t
ASU
Array Clock Setup Time
4
ns
tAH
Array Clock Hold Time
4
5
ns
tACOP
Array Clock Output Delay
15
20
ns
t
ACH
Array Clock High Time
6
8
ns
tACL
Array Clock Low Time
6
8
ns
tCNT
Minimum Clock Global Period
13
16
ns
f
CNT
Maximum Internal Global Clock Frequency
76.9
66
MHz
tACNT
Minimum Array Clock Period
13
16
ns
f
ACNT
Maximum Internal Array Clock Frequency
76.9
66
MHz
f
MAX
Maximum Clock Frequency
100
83.3
MHz
tIN
Input Pad and Buffer Delay
2
ns
t
IO
I/O Input Pad and Buffer Delay
2
ns
t
FIN
Fast Input Delay
2
ns
tSEXP
Foldback Term Delay
8
10
ns
t
PEXP
Cascade Logic Delay
1
ns
t
LAD
Logic Array Delay
6
7
ns
tLAC
Logic Control Delay
6
7
ns
t
IOE
Internal Output Enable Delay
3
ns
tOD1
Output Buffer and Pad Delay
(Slow slew rate = OFF;
V
CC = 3.3V; CL = 35 pF)
55
ns
tZX1
Output Buffer Enable Delay
(Slow slew rate = OFF;
V
CCIO = 5.0V; CL = 35 pF)
79
ns
tZX2
Output Buffer Enable Delay
(Slow slew rate = OFF;
V
CCIO = 3.3V; CL = 35 pF)
79
ns