Timing Models
40MX and 42MX FPGA Families
Input Delay
Predicted
Internal Delays Routing
Delays
I/O Module
tINYL=0.62 ns tIRD2=2.59 ns
Output Delay
I/O Module
Logic Module
tttIIIRRRDDD148===235...067943
ns
ns
ns
ttPCDO==11..2244nnss
ttttRRRRDDDD1248====1124....28398033
ns
ns
ns
ns
tDLH=3.32 ns
tENHZ=7.92 ns
Array
Clock
tCKH=4.55 ns
FO=128
FMAX=180 MHz
Note:
* Values are shown for 40MX ‘–3’ speed devices at 5.0V worst-case commercial conditions.
Figure 1-17 • 40MX Timing Model*
Array
Clocks
Input Delays
I/O Module
tINYL=0.8 ns
Internal Delays
tIRD1=2.0 ns†
Predicted
Routing
Delays
Output Delays
I/O Module
DQ
G
ttIINNHSU==00.0.3nns s
tINGL=1.3 ns
Combinatorial
Logic Module
tPD=1.2 ns
tRD1=0.7 ns
ttRRDD24==11..94
ns
ns
tRD8=2.3 ns
Sequential
Logic Module
tDLH=2.5 ns
I/O Module
tDLH=2.5 ns
Combin
-atoria l
Logic
include
DQ
DQ
tRD1=0.70 ns
tENHZ=4.9 ns
G
tCKH=2.70 ns
FMAX=296 MHz
FO = 32
ttSHUDD==00.0.30
ns
ns
tCO=1.3 ns
tLCO=5.2 ns (light loads, pad-to-pad)
tOUTH=0.00 ns
ttOGLUHT=S2U.=60n.3s ns
Notes: *Values are shown for A42MX09 ‘–3’ at 5.0V worst-case commercial conditions.
† Input module predicted routing delay.
Figure 1-18 • 42MX Timing Model*
v6.0
1-23