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Ultra37000 CPLD Family
Document #: 38-03007 Rev. *E Page 19 of 64
Switching Characteristics Over the Operating Range
[12]
Parameter
200 MHz 167 MHz
154 MHz 143 MHz 125 MHz 100 MHz 83 MHz 66 MHz
Unit
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Combinatorial Mode Parameters
t
PD
[13, 14, 15]
6 6.5 7.5 8.5 10 12 15 20 ns
t
PDL
[13, 14, 15]
11 12.5 14.5 16 16.5 17 19 22 ns
t
PDLL
[13, 14, 15]
12 13.5 15.5 17 17.5 18 20 24 ns
t
EA
[13, 14, 15]
8 8.5 11 13 14 16 19 24 ns
t
ER
[11, 13]
8 8.5 11 13 14 16 19 24 ns
Input Register Parameters
t
WL
2.5 2.5 2.5 2.5 3 3 4 5 ns
t
WH
2.5 2.5 2.5 2.5 3 3 4 5 ns
t
IS
2 222 2 2.5 3 4ns
t
IH
2 222 2 2.5 3 4ns
t
ICO
[13, 14, 15]
11 11 11 12.5 12.5 16 19 24 ns
t
ICOL
[13, 14, 15]
12 12 12 14 16 18 21 26 ns
Synchronous Clocking Parameters
t
CO
[14, 15]
4 4 4.5 6 6.5
[16]
6.5
[17]
8
[18]
10 ns
t
S
[13]
44555.5
[16]
6
[17]
8
[18]
10 ns
t
H
0000 0 0 0 0ns
t
CO2
[13, 14, 15]
9.5 10 11 12 14 16 19 24 ns
t
SCS
[13]
5 66.57 8
[16]
10 12 15 ns
t
SL
[13]
7.5 7.5 8.5 9 10 12 15 15 ns
t
HL
0 000 0 0 0 0ns
Product Term Clocking Parameters
t
COPT
[13, 14, 15]
7101013 13 13 1520ns
t
SPT
2.5 2.5 2.5 3 5 5.5 6 7 ns
t
HPT
2.5 2.5 2.5 3 5 5.5 6 7 ns
t
ISPT
[13]
0000 0000ns
t
IHPT
6 6.5 6.5 7.5 9 11 14 19 ns
t
CO2PT
[13, 14,
15]
12 14 15 19 19 21 24 30 ns
Pipelined Mode Parameters
t
ICS
[13]
56678
[16]
10 12 15 ns
Operating Frequency Parameters
f
MAX1
200 167 154 143 125
[16]
100 83 66 MHz
f
MAX2
200 200 200 167 154 153
[17]
125
[18]
100 MHz
f
MAX3
125 125 105 91 83 80
[17]
62.5 50 MHz
f
MAX4
167 167 154 125 118 100 83 66 MHz
Reset/Preset Parameters
t
RW
8 8 8 8 10 12 15 20 ns
t
RR
[13]
10 10 10 10 12 14 17 22 ns
Notes:
16.The following values correspond to the CY37512 and CY37384 devices: t
CO
= 5 ns, t
S
= 6.5 ns, t
SCS
= 8.5 ns, t
ICS
= 8.5 ns, f
MAX1
= 118 MHz.
17.The following values correspond to the CY37192V and CY37256V devices: t
CO
= 6 ns, t
S
= 7 ns, f
MAX2
= 143 MHz, f
MAX3
= 77 MHz, and f
MAX4
= 100 MHz; and
for the CY37512 devices: t
S
= 7 ns.
18.The following values correspond to the CY37512V and CY37384V devices: t
CO
= 6.5 ns, t
S
= 9.5 ns, and f
MAX2
= 105 MHz.
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