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ISPMACH4ACPLDFAMILY Datasheet(PDF) 40 Page - Lattice Semiconductor |
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ISPMACH4ACPLDFAMILY Datasheet(HTML) 40 Page - Lattice Semiconductor |
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40 / 62 page ![]() 40 ispMACH 4A Family Notes: 1. See “Switching Test Circuit” document on the Literature Download page of the Lattice web site. 2. This parameter does not apply to flip-flops in the emulated mode since the feedback path is required for emulation. CAPACITANCE 1 Note: 1. These parameters are not 100% tested, but are calculated at initial characterization and at any time the design is modified where this parameter may be affected. Frequency: fMAXS External feedback, D-type, Min of 1/(tWLS + tWHS) or 1/(tSS + tCOS) 143 133 125 118 95.2 87.0 74.1 60.6 MHz External feedback, T-type, Min of 1/(tWLS + tWHS) or 1/(tSST + tCOS) 125 125 118 111 87.0 80.0 69.0 57.1 MHz Internal feedback (fCNT), D-type, Min of 1/(tWLS + tWHS) or 1/(tSS + tCOSi) 182 167 160 154 125 118 95.0 74.1 MHz Internal feedback (fCNT), T-type, Min of 1/(tWLS + tWHS) or 1/(tSST + tCOSi) 154 154 148 143 111 105 87.0 69.0 MHz No feedback2, Min of 1/(tWLS + tWHS), 1/(tSS + tHS) or 1/(tSST + tHS) 250 250 200 200 154 125 100 83.3 MHz fMAXA External feedback, D-type, Min of 1/ (tWLA + tWHA) or 1/(tSA + tCOA) 111 111 108 100 83.3 66.7 55.6 43.5 MHz External feedback, T-type, Min of 1/(tWLA + tWHA) or 1/(tSAT + tCOA) 105 105 102 95.2 76.9 62.5 52.6 41.7 MHz Internal feedback (fCNTA), D-type, Min of 1/(tWLA + tWHA) or 1/(tSA + tCOAi) 133 133 125 125 105 83.3 66.7 50.0 MHz Internal feedback (fCNTA), T-type, Min of 1/(tWLA + tWHA) or 1/(tSAT + tCOAi) 125 125 125 118 95.2 76.9 62.5 47.6 MHz No feedback2, Min of 1/(tWLA + tWHA), 1/(tSA + tHA) or 1/(tSAT + tHA) 167 167 143 143 125 100 62.5 55.6 MHz fMAXI Maximum input register frequency, Min of 1/(tWIRH + tWIRL) or 1/(tSIRS + tHIRS) 167 167 143 143 125 100 83.3 83.3 MHz Parameter Symbol Parameter Description Test Conditions Typ Unit CIN Input capacitance VIN=2.0 V 3.3 V or 5 V, 25°C, 1 MHz 6 pF CI/O Output capacitance VOUT=2.0V 3.3 V or 5 V, 25°C, 1 MHz 8 pF ispMACH 4A TIMING PARAMETERS OVER OPERATING RANGES1 (CONTINUED) -5 -55 -6 -65 -7 -10 -12 -14 Unit Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max |
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