6
1996 ISP Encyclopedia
Specifications
ispLSI and pLSI 1016E
Internal Timing Parameters
1
t
iobp
t
iolat
t
iosu
t
ioh
t
ioco
t
ior
t
din
1. Internal Timing Parameters are not tested and are for reference only.
2. Refer to Timing Model in this data sheet for further details.
3. The XOR Adjacent path can only be used by Lattice hard macros.
Table 2-0036-16/125,100, 80
Inputs
UNITS
-125
MIN.
-100
MIN.
MAX.
MAX.
DESCRIPTION
#
2
PARAMETER
22 I/O Register Bypass
23 I/O Latch Delay
24 I/O Register Setup Time before Clock
25 I/O Register Hold Time after Clock
26 I/O Register Clock to Out Delay
27 I/O Register Reset to Out Delay
28 Dedicated Input Delay
–
–
–
–
0.4
2.4
–
–
5.0
5.0
2.6
ns
ns
ns
ns
ns
ns
ns
t
grp1
t
grp4
t
grp8
29 GRP Delay, 1 GLB Load
30 GRP Delay, 4 GLB Loads
31 GRP Delay, 8 GLB Loads
–
–
–
–
–
–
1.9
2.2
2.5
ns
ns
ns
GLB
t
4ptbpc
t
4ptbpr
t
1ptxor
t
20ptxor
t
xoradj
t
gbp
t
gsu
t
gh
t
gco
t
gro
t
ptre
t
ptoe
t
ptck
ORP
t
orp
t
orpbp
36 1 Product Term/XOR Path Delay
37 20 Product Term/XOR Path Delay
38 XOR Adjacent Path Delay
39 GLB Register Bypass Delay
–
–
–
–
–
–
–
–
6.1
6.1
6.6
1.6
ns
ns
ns
ns
40 GLB Register Setup Time before Clock
41 GLB Register Hold Time after Clock
–
–
0.2
2.5
–
–
ns
ns
42 GLB Register Clock to Output Delay
–
–
1.9
ns
3
43 GLB Register Reset to Output Delay
44 GLB Product Term Reset to Register Delay
45 GLB Product Term Output Enable to I/O Cell Delay
46 GLB Product Term Clock Delay
–
–
–
–
–
–
6.3
5.1
7.1
5.3
ns
ns
ns
ns
4.8
0.3
1.8
–
–
4.0
4.0
2.2
GRP
1.8
1.9
2.1
34 4 Product Term Bypass Path Delay (Combinatorial)
35 4 Product Term Bypass Path Delay (Registered)
–
–
–
–
5.7
5.6
ns
ns
4.4
4.4
4.4
1.0
3.9
3.9
0.2
1.5
1.8
4.4
3.5
5.5
3.5
3.2
47 ORP Delay
48 ORP Bypass Delay
–
–
–
–
1.0
0.0
ns
ns
1.0
0.0
3.0
-0.3
–
–
–
3.5
-0.4
–
–
–
-80
MIN. MAX.
–
–
–
–
–
–
–
–
–
–
–
–
6.8
–
–
–
–
–
–
–
–
–
–
0.6
3.6
4.5
-0.6
7.5
7.5
3.9
2.9
3.3
3.8
7.1
8.2
8.3
1.9
8.1
7.3
-0.6
4.3
2.9
7.0
7.2
9.7
7.5
1.5
0.0
t
grp16
32 GRP Delay, 16 GLB Loads
–
–
3.1
ns
2.4
–
–
–
4.7