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SPC58EG80C3 数据表(PDF) 96 Page - STMicroelectronics |
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SPC58EG80C3 数据表(HTML) 96 Page - STMicroelectronics |
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96 / 139 page ![]() Electrical characteristics SPC584Gx, SPC58EGx, SPC58NGx 96/139 DS11758 Rev 6 Figure 34. MII transmit signal timing diagram 4.17.3.3 MII async inputs signal timing (CRS and COL) Figure 35. MII async inputs timing diagram Table 51. MII transmit signal timing Symbol C Characteristic Value(1) Unit Min Max M5 CC D TX_CLK to TXD[3:0], TX_EN, TX_ER invalid 5 — ns M6 CC D TX_CLK to TXD[3:0], TX_EN, TX_ER valid — 25 ns M7 CC D TX_CLK pulse width high 35% 65% TX_CLK period M8 CC D TX_CLK pulse width low 35% 65% TX_CLK period 1. Output parameters are valid for CL = 25 pF, where CL is the external load to the device. The internal package capacitance is accounted for, and does not need to be subtracted from the 25pF value M6 TX_CLK (input) TXD[3:0] (outputs) TX_EN TX_ER M5 M7 M8 Table 52. MII async inputs signal timing Symbol C Characteristic Value Unit Min Max M9 CC D CRS, COL minimum pulse width 1.5 — TX_CLK period CRS, COL M9 |
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