Ultra37000 CPLD Family
Document #: 38-03007 Rev. *C
Page 19 of 62
JTAG Timing Parameters
tS JTAG
Set-up Time from TDI and TMS to TCK[5]
ns
tH JTAG
Hold Time on TDI and TMS[5]
ns
tCO JTAG
Falling Edge of TCK to TDO[5]
ns
fJTAG
Maximum JTAG Tap Controller Frequency[5]
ns
Switching Characteristics Over the Operating Range[12] (continued)
Parameter
Description
Unit
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
Combinatorial Mode Parameters
tPD
[13, 14, 15]
6
6.5
7.5
8.5
10
12
15
20
ns
tPDL
[13, 14, 15]
11
12.5
14.5
16
16.5
17
19
22
ns
tPDLL
[13, 14, 15]
12
13.5
15.5
17
17.5
18
20
24
ns
tEA
[13, 14, 15]
8
8.5
11
13
14
16
19
24
ns
tER
[11, 13]
8
8.5
11
13
14
16
19
24
ns
Input Register Parameters
tWL
2.5
2.5
2.5
2.5
3
3
4
5
ns
tWH
2.5
2.5
2.5
2.5
3
3
4
5
ns
tIS
2
22
2
2
2.5
3
4ns
tIH
2
22
2
2
2.5
3
4ns
tICO
[13, 14, 15]
11
11
11
12.5
12.5
16
19
24
ns
tICOL
[13, 14, 15]
12
12
12
14
16
18
21
26
ns
Synchronous Clocking Parameters
tCO
[14, 15]
44
4.5
6
6.5[16]
6.5[17]
8[18]
10
ns
tS
[13]
44
55
5.5[16]
6[17]
8[18]
10
ns
tH
00
00
0
0
0
0
ns
tCO2
[13, 14, 15]
9.5
10
11
12
14
16
19
24
ns
tSCS
[13]
5
66.5
7
8[16]
10
12
15
ns
tSL
[13]
7.5
7.5
8.5
9
10
12
15
15
ns
tHL
0
00
0
0
0
0
0ns
Product Term Clocking Parameters
tCOPT
[13, 14, 15]
710
10
13
13
13
15
20
ns
tSPT
2.5
2.5
2.5
3
5
5.5
6
7
ns
tHPT
2.5
2.5
2.5
3
5
5.5
6
7
ns
tISPT
[13]
00
0
0
00
0
0
ns
tIHPT
6
6.5
6.5
7.5
9
11
14
19
ns
tCO2PT
[13, 14,
15]
12
14
15
19
19
21
24
30
ns
Pipelined Mode Parameters
tICS
[13]
56
67
8[16]
10
12
15
ns
Notes:
16. The following values correspond to the CY37512 and CY37384 devices: tCO = 5 ns, tS = 6.5 ns, tSCS = 8.5 ns, tICS = 8.5 ns, fMAX1 = 118 MHz.
17. The following values correspond to the CY37192V and CY37256V devices: tCO = 6 ns, tS = 7 ns, fMAX2 = 143 MHz, fMAX3 = 77 MHz, and fMAX4 = 100 MHz;
and for the CY37512 devices: tS = 7 ns.
18. The following values correspond to the CY37512V and CY37384V devices: tCO = 6.5 ns, tS = 9.5 ns, and fMAX2 = 105 MHz.
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