14
1615J–PLD–01/06
ATF1502ASV
13. AC Characteristics
Table 13-1. AC Characteristics
(1)
Symbol Parameter
-15 -20
UnitsMin Max Min Max
t
PD1
Input or Feedback to Non-registered Output 3 15 20 ns
t
PD2
I/O Input or Feedback to Non-registered Feedback 3 12 16 ns
t
SU
Global Clock Setup Time 11 16 ns
t
H
Global Clock Hold Time 0 0 ns
t
FSU
Global Clock Setup Time of Fast Input 3 3 ns
t
FH
Global Clock Hold Time of Fast Input 1 1.5 MHz
t
COP
Global Clock to Output Delay 8 10 ns
t
CH
Global Clock High Time 5 6 ns
t
CL
Global Clock Low Time 5 6 ns
t
ASU
Array Clock Setup Time 4 4 ns
t
AH
Array Clock Hold Time 4 5 ns
t
ACOP
Array Clock Output Delay 15 20 ns
t
ACH
Array Clock High Time 6 8 ns
t
ACL
Array Clock Low Time 6 8 ns
t
CNT
Minimum Clock Global Period 13 16 ns
f
CNT
Maximum Internal Global Clock Frequency 76.9 66 MHz
t
ACNT
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
t
IN
Input Pad and Buffer Delay 2 2 ns
t
IO
I/O Input Pad and Buffer Delay 2 2 ns
t
FIN
Fast Input Delay 2 2 ns
t
SEXP
Foldback Term Delay 8 10 ns
t
PEXP
Cascade Logic Delay 1 1 ns
t
LAD
Logic Array Delay 6 7 ns
t
LAC
Logic Control Delay 6 7 ns
t
IOE
Internal Output Enable Delay 3 3 ns
t
OD1
Output Buffer and Pad Delay
(Slow slew rate = OFF;
V
CC
= 3.3V; C
L
= 35 pF)
55ns
t
ZX1
Output Buffer Enable Delay
(Slow slew rate = OFF;
V
CCIO
= 5.0V; C
L
= 35 pF)
79ns
t
ZX2
Output Buffer Enable Delay
(Slow slew rate = OFF;
V
CCIO
= 3.3V; C
L
= 35 pF)
79ns
