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TDA2SA Datasheet(PDF) 289 Page - Texas Instruments |
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TDA2SA Datasheet(HTML) 289 Page - Texas Instruments |
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289 / 427 page ![]() mii _rxclk n (Input) 1 2 mii _rxd3 n mii _rxdv miin_rxer − , (Inputs) mii _rxd0, n n mii _txclk n 2 3 1 4 4 289 TDA2SX, TDA2SG, TDA2SA TDA2HG, TDA2HV, TDA2HF, TDA2LF www.ti.com SPRS951F – DECEMBER 2015 – REVISED MAY 2019 Submit Documentation Feedback Product Folder Links: TDA2SX TDA2SG TDA2SA TDA2HG TDA2HV TDA2HF TDA2LF Timing Requirements and Switching Characteristics Copyright © 2015–2019, Texas Instruments Incorporated Table 7-68. Timing Requirements for miin_txclk - MII Operation NO. PARAMETER DESCRIPTION SPEED MIN MAX UNIT 1 tc(TX_CLK) Cycle time, miin_txclk 10 Mbps 400 ns 100 Mbps 40 ns 2 tw(TX_CLKH) Pulse duration, miin_txclk high 10 Mbps 140 260 ns 100 Mbps 14 26 ns 3 tw(TX_CLKL) Pulse duration, miin_txclk low 10 Mbps 140 260 ns 100 Mbps 14 26 ns 4 tt(TX_CLK) Transition time, miin_txclk 10 Mbps 3 ns 100 Mbps 3 ns Figure 7-46. Clock Timing (GMAC Transmit) - MIIn operation Table 7-69 and Figure 7-47 present timing requirements for GMAC MIIn Receive 10/100Mbit/s. Table 7-69. Timing Requirements for GMAC MIIn Receive 10/100 Mbit/s NO. PARAMETER DESCRIPTION MIN MAX UNIT 1 tsu(RXD-RX_CLK) Setup time, receive selected signals valid before miin_rxclk 8 ns tsu(RX_DV-RX_CLK) tsu(RX_ER-RX_CLK) 2 th(RX_CLK-RXD) Hold time, receive selected signals valid after miin_rxclk 8 ns th(RX_CLK-RX_DV) th(RX_CLK-RX_ER) Figure 7-47. GMAC Receive Interface Timing MIIn operation Table 7-70 and Figure 7-48 present timing requirements for GMAC MIIn Transmit 10/100Mbit/s. Table 7-70. Switching Characteristics Over Recommended Operating Conditions for GMAC MIIn Transmit 10/100 Mbits/s NO. PARAMETER DESCRIPTION MIN MAX UNIT 1 td(TX_CLK-TXD) Delay time, miin_txclk to transmit selected signals valid 0 25 ns td(TX_CLK-TX_EN) td(TX_CLK-TX_ER) |
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