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
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 2222 2 2.5 3 4ns
tIH 2222 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] 4 4 4.5 6 6.5[16] 6.5[17] 8[18] 10 ns
tS[13] 44555.5
[16] 6[17] 8[18] 10 ns
tH0000 0 0 0 0ns
tCO2[13, 14, 15] 9.5 10 11 12 14 16 19 24 ns
tSCS[13] 566.57 8
[16] 10 12 15 ns
tSL[13] 7.5 7.5 8.5 9 10 12 15 15 ns
tHL 0000 0 0 0 0ns
Product Term Clocking Parameters
tCOPT[13, 14, 15] 7101013 13 13 1520ns
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] 00000000ns
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] 56678
[16] 10 12 15 ns
Operating Frequency Parameters
fMAX1 200 167 154 143 125[16] 100 83 66 MHz
fMAX2 200 200 200 167 154 153[17] 125[18] 10 0 MHz
fMAX3 125 125 105 91 83 80[17] 62.5 50 MHz
fMAX4 167 167 154 125 118 100 83 66 MHz
Reset/Preset Parameters
tRW 88 8 8 10 12 15 20 ns
tRR[13] 10 10 10 10 12 14 17 22 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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