SPRS742L June 2011 – February 2021 F28M35E20B , F28M35H22C , F28M35H52C , F28M35H52C-Q1 , F28M35M22C , F28M35M52C
PRODUCTION DATA
NO. | PARAMETER | MIN | MAX | UNIT | |
---|---|---|---|---|---|
E1 | tc(CK) | Cycle time, SDRAM clock | 20 | ns | |
E2 | tw(CKH) | Pulse duration, SDRAM clock high | 10 | ns | |
E3 | tw(CKL) | Pulse duration, SDRAM clock low | 10 | ns | |
E4 | td(CK-OV) | Delay time, clock to output valid | –5 | 5 | ns |
E5 | td(CK-OIV) | Delay time, clock to output invalid | –5 | 5 | ns |
E6 | td(CK-OZ) | Delay time, clock to output high-impedance | –5 | 5 | ns |
E7 | tsu(AD-CK) | Setup time, input before clock | 10 | ns | |
E8 | th(CK-AD) | Hold time, input after clock | 0 | ns | |
E9 | tPU | Power-up time | 100 | µs | |
E10 | tpc | Precharge time, all banks | 20 | ns | |
E11 | trf | Autorefresh | 66 | ns | |
E12 | tMRD | Program mode register | 40 | ns |