Rainbow Electronics ATF1504ASL - Manual (Page 13)

13
ATF1504AS(L)
0950N–PLD–07/02
Note: See ordering information for valid part numbers.
Timing Model
AC Characteristics (Continued)
Symbol Parameter
-7 -10 -15 -20 -25
Units Min Max Min Max Min Max Min Max Min Max
f
MAX
Maximum Clock Frequency 166.7 125 100 83.3 60 MHz
t
IN
Input Pad and Buffer Delay 0.5 0.5 2 2 2 ns
t
IO
I/O Input Pad and Buffer Delay 0.5 0.5 2 2 2 ns
t
FIN
Fast Input Delay 1 1 2 2 2 ns
t
SEXP
Foldback Term Delay 4 5 8 10 12 ns
t
PEXP
Cascade Logic Delay 0.8 0.8 1 1 1.2 ns
t
LAD
Logic Array Delay 3 5 6 7 8 ns
t
LAC
Logic Control Delay 3 5 6 7 8 ns
t
IOE
Internal Output Enable Delay 2 2 3 3 4 ns
t
OD1
Output Buffer and Pad Delay
(Slow slew rate = OFF;
V
CCIO
= 5V; C
L
= 35 pF)
2 1.5 4 5 6 ns
t
OD2
Output Buffer and Pad Delay
(Slow slew rate = OFF;
V
CCIO
= 3.3V; C
L
= 35 pF)
2.5 2.0 5 6 7 ns
t
OD3
Output Buffer and Pad Delay
(Slow slew rate = ON;
V
CCIO
= 5V or 3.3V; C
L
= 35 pF)
5 5.5 8 10 10 ns