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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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V62/12615-01XE-R датащи(PDF) 16 Page - Texas Instruments |
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V62/12615-01XE-R датащи(HTML) 16 Page - Texas Instruments |
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16 / 98 page  TX_CLK TXD[3:0] TX_EN Valid data T2.4.1 T2.4.1 T2.4.2 T2.4.3 MDC MDC MDIO (output) MDIO (input) Valid data T2.3.1 T2.3.4 T2.3.2 T2.3.3 16 DP83848-EP SLLSEC6E – SEPTEMBER 2012 – REVISED JUNE 2019 www.ti.com Submit Documentation Feedback Product Folder Links: DP83848-EP Specifications Copyright © 2012–2019, Texas Instruments Incorporated 4.7.3 MII Serial Management Timing PARAMETER DESCRIPTION NOTES MIN TYP MAX UNIT T2.3.1 MDC to MDIO (output) delay time 0 30 ns T2.3.2 MDIO (input) to MDC setup time 10 ns T2.3.3 MDIO (input) to MDC hold time 10 ns T2.3.4 MDC frequency 2.5 25 MHz Figure 4-4. MII Serial Management Timing 4.7.4 100-Mbps MII Transmit Timing PARAMETER DESCRIPTION NOTES MIN TYP MAX UNIT T2.4.1 TX_CLK high/low time 100-Mbps Normal mode 16 20 24 ns T2.4.2 TXD[3:0], TX_EN data setup to TX_CLK 100-Mbps Normal mode 9.70 ns T2.4.3 TXD[3:0], TX_EN data hold from TX_CLK 100-Mbps Normal mode 0 ns Figure 4-5. 100-Mbps MII Transmit Timing |
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