ZHCSKS2E april 2020 – june 2023 DRA821U , DRA821U-Q1
PRODUCTION DATA
Table 7-70 and Table 7-71 present timing requirements and switching characteristics for MMCSDi – UHS-I SDR12 Mode(see Figure 7-95 and Figure 7-96).
NO. | PARAMETER | DESCRIPTION | MIN | MAX | UNIT |
---|---|---|---|---|---|
SDR121 | tsu(cmdV-clkH) | Setup time, MMC[x]_CMD valid before MMC[x]_CLK rising edge | 5.46 | ns | |
SDR122 | th(clkH-cmdV) | Hold time, MMC[x]_CMD valid after MMC[x]_CLK rising edge | 1.67 | ns | |
SDR123 | tsu(dV-clkH) | Setup time, MMC[x]_DAT[3:0] valid before MMC[x]_CLK rising edge | 5.46 | ns | |
SDR124 | th(clkH-dV) | Hold time, MMC[x]_DAT[3:0] valid after MMC[x]_CLK rising edge | 1.67 | ns |
NO. | PARAMETER | DESCRIPTION | MIN | MAX | UNIT |
---|---|---|---|---|---|
fop(clk) | Operating frequency, MMC[x]_CLK | 25 | MHz | ||
SDR125 | tc(clk) | Cycle time, MMC[x]_CLK | 40 | ns | |
SDR126 | tw(clkH) | Pulse duration, MMC[x]_CLK high | 18.7 | ns | |
SDR127 | tw(clkL) | Pulse duration, MMC[x]_CLK low | 18.7 | ns | |
SDR128 | td(clkH-cmdV) | Delay time, MMC[x]_CLK rising edge to MMC[x]_CMD transition | 1.2 | 13.55 | ns |
SDR129 | td(clkH-dV) | Delay time, MMC[x]_CLK rising edge to MMC[x]_DAT[3:0] transition | 1.2 | 13.55 | ns |