 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
DSP56303 датащи(PDF) 39 Page - Freescale Semiconductor, Inc |
|
|
|||||||||||||||||||||||||||||
DSP56303 датащи(HTML) 39 Page - Freescale Semiconductor, Inc |
|
|
39 / 108 page  AC Electrical Characteristics DSP56303 Technical Data, Rev. 11 Freescale Semiconductor 2-19 Figure 2-17. DRAM Out-of-Page Wait State Selection Guide Table 2-11. DRAM Out-of-Page and Refresh Timings, Eleven Wait States1,2 No. Characteristics Symbol Expression3 100 MHz Unit Min Max 157 Random read or write cycle time tRC 12 × T C 120.0 — ns 158 RAS assertion to data valid (read) tRAC 6.25 × TC −7.0 — 55.5 ns 159 CAS assertion to data valid (read) tCAC 3.75 × TC −7.0 — 30.5 ns 160 Column address valid to data valid (read) tAA 4.5 × T C −7.0 — 38.0 ns 161 CAS deassertion to data not valid (read hold time) tOFF 0.0 — ns 162 RAS deassertion to RAS assertion tRP 4.25 × TC −4.0 38.5 — ns 163 RAS assertion pulse width tRAS 7.75 × T C −4.0 73.5 — ns 164 CAS assertion to RAS deassertion tRSH 5.25 × TC −4.0 48.5 — ns 165 RAS assertion to CAS deassertion tCSH 6.25 × TC −4.0 58.5 — ns 166 CAS assertion pulse width tCAS 3.75 × T C −4.0 33.5 — ns 167 RAS assertion to CAS assertion tRCD 2.5 × TC ± 4.0 21.0 29.0 ns 168 RAS assertion to column address valid tRAD 1.75 × TC ± 4.0 13.5 21.5 ns 169 CAS deassertion to RAS assertion tCRP 5.75 × T C −4.0 53.5 — ns 170 CAS deassertion pulse width tCP 4.25 × TC – 6.0 36.5 — ns 171 Row address valid to RAS assertion tASR 4.25 × TC −4.0 38.5 — ns Chip Frequency (MHz) DRAM Type (tRAC ns) 100 80 70 50 66 80 100 4 Wait States 8 Wait States 11 Wait States 15 Wait States Note: This figure should be used for primary selection. For exact and detailed timings, see the following tables. 60 40 120 |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю 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 |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
