ZHCSKS2E april 2020 – june 2023 DRA821U , DRA821U-Q1
PRODUCTION DATA
NO.(1) | PARAMETER | DESCRIPTION | MODE | MIN | MAX | UNIT |
---|---|---|---|---|---|---|
O7 | tc(CLK) | Cycle time, CLK | 1.8V | 7 | ns | |
3.3V | 7.52 | ns | ||||
O8 | tw(CLKL) | Pulse duration, CLK low | -0.3+0.475*P (2) | ns | ||
O9 | tw(CLKH) | Pulse duration, CLK high | -0.3+0.475*P (2) | ns | ||
O10 | td(CLK-CSn) | Delay time, CSn[3:0] active edge to CLK rising edge | 1.8V | -1-0.475 * P – 0.975 * N * R (3) (4) (5) | 0.525 * P + 1.025 * M * R + 1 (3) (4) (5) | ns |
3.3V | -1-0.475 * P – 0.975 * N * R (3) (4) (5) | 0.525 * P + 1.025 * M * R + 1 (3) (4) (5) | ns | |||
O11 | td(CLK-CSn) | Delay time, CLK rising edge to CSn inactive edge | 1.8V | -1+0.475 * P + 0.975 * N * R (3) (4) (5) | 0.525 * P + 1.025 * N * R + 1(3) (4) (5) | ns |
3.3V | -1+0.475 * P + 0.975 * N * R (3) (4) (5) | 0.525 * P + 1.025 * N * R + 1 (3) (4) (5) | ns | |||
O12 | td(CLK-D) | Delay time, CLK active edge to D[i:0] transition | 1.8V | -1.15 | 1.25 | ns |
3.3V | -1.33 | 1.51 | ns |
Section 7.9.5.18.2.3, Section 7.9.5.18.2.4, Figure 7-106, Figure 7-107, Figure 7-108, and Figure 7-109 presents timing requirements for OSPI DDR and SDR Mode.