 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
DSP56307/D Datasheet(PDF) 74 Page - Motorola, Inc |
|
|
|||||||||||||||||||||||||||||
DSP56307/D Datasheet(HTML) 74 Page - Motorola, Inc |
|
|
74 / 156 page  2-38 DSP56307 Technical Data MOTOROLA Specifications External Memory Interface (Port A) Table 2-15 DRAM Out-of-Page and Refresh Timings, Eleven Wait States1, 2 No. Characteristics3 Symbol Expression4 66 MHz 80 MHz 100 MHz Unit Min Max Min Max Min Max 157 Random read or write cycle time tRC 12 × T C 181.8 Ñ 150.0 Ñ 120.0 Ñ ns 158 RAS assertion to data valid (read) tRAC 66 MHz : 6.25 × T C − 7.5 80 MHz : 6.25 × T C − 6.5 100 MHz : 6.25 × T C − 5.7 Ñ Ñ Ñ 87.2 Ñ Ñ Ñ Ñ Ñ Ñ 71.6 Ñ Ñ Ñ Ñ Ñ Ñ 56.8 ns ns ns 159 CAS assertion to data valid (read) tCAC 66 MHz : 3.75 × T C − 7.5 80 MHz : 3.75 × T C − 6.5 100 MHz : 3.75 × T C − 5.7 Ñ Ñ Ñ 49.3 Ñ Ñ Ñ Ñ Ñ Ñ 40.4 Ñ Ñ Ñ Ñ Ñ Ñ 31.8 ns ns ns 160 Column address valid to data valid (read) tAA 66 MHz : 4.5 × T C − 7.5 80 MHz : 4.5 × T C − 6.5 100 MHz : 4.5 × T C − 5.7 Ñ Ñ Ñ 60.7 Ñ Ñ Ñ Ñ Ñ Ñ 49.8 Ñ Ñ Ñ Ñ Ñ Ñ 39.3 ns ns ns 161 CAS deassertion to data not valid (read hold time) tOFF 0.0 Ñ 0.0 Ñ 0.0 Ñ ns 162 RAS deassertion to RAS assertion tRP 4.25 × T C − 4.0 60.4 Ñ 49.1 Ñ 38.5 Ñ ns 163 RAS assertion pulse width tRAS 7.75 × T C − 4.0 113.4 Ñ 92.9 Ñ 73.5 Ñ ns 164 CAS assertion to RAS deassertion tRSH 5.25 × T C − 4.0 75.5 Ñ 61.6 Ñ 48.5 Ñ ns 165 RAS assertion to CAS deassertion tCSH 6.25 × T C − 4.0 90.7 Ñ 74.1 Ñ 58.5 Ñ ns 166 CAS assertion pulse width tCAS 3.75 × T C − 4.0 52.8 Ñ 42.9 Ñ 33.5 Ñ ns 167 RAS assertion to CAS assertion tRCD 2.5 × T C ± 2 35.9 39.9 29.3 33.3 23.0 27.0 ns 168 RAS assertion to column address valid tRAD 1.75 × T C ± 2 24.5 28.5 19.9 23.9 15.5 19.5 ns 169 CAS deassertion to RAS assertion tCRP 5.75 × T C − 4.0 83.1 Ñ 67.9 Ñ 53.5 Ñ ns 170 CAS deassertion pulse width tCP 4.25 × T C − 4.0 60.4 Ñ 49.1 Ñ 38.5 Ñ ns Not Recommended for New Design |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
New Zealand ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
