ZHCSKS2E april 2020 – june 2023 DRA821U , DRA821U-Q1
PRODUCTION DATA
Table 7-72 and Table 7-73 present timing requirements and switching characteristics for MMCSDi – UHS-I SDR25 Mode (see Figure 7-97 and Figure 7-98).
NO. | PARAMETER | DESCRIPTION | MIN | MAX | UNIT |
---|---|---|---|---|---|
SDR251 | tsu(cmdV-clkH) | Setup time, MMC[x]_CMD valid before MMC[x]_CLK rising edge | 2.1 | ns | |
SDR252 | th(clkH-cmdV) | Hold time, MMC[x]_CMD valid after MMC[x]_CLK rising edge | 1.67 | ns | |
SDR253 | tsu(dV-clkH) | Setup time, MMC[x]_DAT[3:0] valid before MMC[x]_CLK rising edge | 2.1 | ns | |
SDR254 | 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 | 50 | MHz | ||
SDR255 | tc(clk) | Cycle time, MMC[x]_CLK | 20 | ns | |
SDR256 | tw(clkH) | Pulse duration, MMC[x]_CLK high | 9.2 | ns | |
SDR257 | tw(clkL) | Pulse duration, MMC[x]_CLK low | 9.2 | ns | |
SDR258 | td(clkH-cmdV) | Delay time, MMC[x]_CLK rising edge to MMC[x]_CMD transition | 2.4 | 9.37 | ns |
SDR259 | td(clkH-dV) | Delay time, MMC[x]_CLK rising edge to MMC[x]_DAT[3:0] transition | 2.4 | 9.37 | ns |