 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
DSP56307/D датащи(PDF) 78 Page - NXP Semiconductors |
|
|
|||||||||||||||||||||||||||||
DSP56307/D датащи(HTML) 78 Page - NXP Semiconductors |
|
|
78 / 156 page  2-42 DSP56307 Technical Data MOTOROLA Specifications External Memory Interface (Port A) 171 Row address valid to RAS assertion tASR 6.25 × T C − 4.0 90.7 Ñ 74.1 Ñ 58.5 Ñ ns 172 RAS assertion to row address not valid tRAH 2.75 × T C − 4.0 37.7 Ñ 30.4 Ñ 23.5 Ñ ns 173 Column address valid to CAS assertion tASC 0.75 × T C − 4.0 7.4 Ñ 5.4 Ñ 3.5 Ñ ns 174 CAS assertion to column address not valid tCAH 6.25 × T C − 4.0 90.7 Ñ 74.1 Ñ 58.5 Ñ ns 175 RAS assertion to column address not valid tAR 9.75 × T C − 4.0 143.7 Ñ 117.9 Ñ 93.5 Ñ ns 176 Column address valid to RAS deassertion tRAL 7 × T C − 4.0 102.1 Ñ 83.5 Ñ 66.0 Ñ ns 177 WR deassertion to CAS assertion tRCS 5 × T C − 3.8 72.0 Ñ 58.7 Ñ 46.2 Ñ ns 178 CAS deassertion to WR assertion4 tRCH 1.75 × T C − 3.7 22.8 Ñ 18.2 Ñ 13.8 Ñ ns 179 RAS deassertion to WR assertion4 tRRH 66 MHz : 0.25 × T C − 3.7 80 MHz : 0.25 × T C − 3.0 100 MHz : 0.25 × T C − 2.4 0.1 Ñ Ñ Ñ Ñ Ñ Ñ 0.1 Ñ Ñ Ñ Ñ Ñ Ñ 0.1 Ñ Ñ Ñ ns ns ns 180 CAS assertion to WR deassertion tWCH 6 × T C − 4.2 86.7 Ñ 70.8 Ñ 55.8 Ñ ns 181 RAS assertion to WR deassertion tWCR 9.5 × T C − 4.2 139.7 Ñ 114.6 Ñ 90.8 Ñ ns 182 WR assertion pulse width tWP 15.5 × T C − 4.5 230.3 Ñ 189.3 Ñ 150.5 Ñ ns 183 WR assertion to RAS deassertion tRWL 15.75 × T C − 4.3 234.3 Ñ 192.6 Ñ 153.2 Ñ ns 184 WR assertion to CAS deassertion tCWL 66Ð80 MHz: 14.25 × T C − 4.3 100 MHz: 14.75 × T C − 4.3 211.6 Ñ Ñ Ñ 180.1 Ñ Ñ Ñ Ñ 143.2 Ñ Ñ ns ns 185 Data valid to CAS assertion (write) tDS 8.75 × T C − 4.0 128.6 Ñ 105.4 Ñ 83.5 Ñ ns 186 CAS assertion to data not valid (write) tDH 6.25 × T C − 4.0 90.7 Ñ 74.1 Ñ 58.5 Ñ ns Table 2-16 DRAM Out-of-Page and Refresh Timings, Fifteen Wait States1, 2 (Continued) No. Characteristics3 Symbol Expression 66 MHz 80 MHz 100 MHz Unit Min Max Min Max Min Max Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com Not Recommended for New Design |
|
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
