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MPFS250T 数据表(PDF) 119 Page - Microchip Technology |
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MPFS250T 数据表(HTML) 119 Page - Microchip Technology |
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119 / 128 page ![]() 6.11.1 JTAG Switching Characteristics The following table describes characteristics of JTAG switching. Table 151 • JTAG Electrical Characteristics Condition Unit Max Typ Min Description Symbol ns 0.0 TDI input setup time TDISU ns 2.0 TDI input hold time TDIHD ns 1.5 TMS input setup time TTMSSU ns 1.5 TMS input hold time TTMSHD MHz 25 TCK frequency FTCK % 60 40 TCK duty cycle TTCKDC CLOAD = 40 pf ns 8.4 TDO clock to Q out TTDOCQ CLOAD = 40 pf ns 23.5 TRSTB clock to Q out TRSTBCQ ns 50 TRSTB min pulse width TRSTBPW ns 0.0 TRSTB removal time TRSTBREM ns 12.0 TRSTB recovery time TRSTBREC pf 5.3 TDI input pin ca- pacitance CINTDI pf 5.3 TMS input pin capacitance CINTMS pf 5.3 TCK input pin capacitance CINTCK pf 5.3 TRSTB input pin capacitance CINTRSTB 6.11.2 SPI Switching Characteristics The following tables describe characteristics of SPI switching. 115 Microsemi Proprietary and Confidential. DS0147 Revision 1.0 AC Switching Characteristics |
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