 |
数据搜索系统，热门电子元器件搜索 |
|
|
数据搜索系统，热门电子元器件搜索 |
|
XCB56364PV100 数据表(PDF) 36 Page - Freescale Semiconductor, Inc |
|
|
|||||||||||||||||||||||||||||
XCB56364PV100 数据表(HTML) 36 Page - Freescale Semiconductor, Inc |
|
|
36 / 148 page  External Memory Expansion Port (Port A) DSP56364 Technical Data, Rev. 4.1 3-20 Freescale Semiconductor Table 3-10 DRAM Page Mode Timings, Two Wait States1, 2, 3, 4 No. Characteristics Symbol Expression5 66 MHz 80 MHz Unit Min Max Min Max 131 Page mode cycle time for two consecutive accesses of the same direction tPC 2 × T C 45.4 — 37.5 — ns Page mode cycle time for mixed (read and write) accesses 1.25 × T C 41.1 — 34.4 — ns 132 CAS assertion to data valid (read) tCAC 1.5 × T C − 7.5 — 15.2 — — ns 1.5 × T C − 6.5 — — — 12.3 ns 133 Column address valid to data valid (read) tAA 2.5 × T C − 7.5 — 30.4 — — ns 2.5 × T C − 6.5 — — — 24.8 ns 134 CAS deassertion to data not valid (read hold time) tOFF 0.0 — 0.0 — ns 135 Last CAS assertion to RAS deassertion tRSH 1.75 × T C − 4.0 22.5 — 17.9 — ns 136 Previous CAS deassertion to RAS deassertion tRHCP 3.25 × T C − 4.0 45.2 — 36.6 — ns 137 CAS assertion pulse width tCAS 1.5 × T C − 4.0 18.7 — 14.8 — ns 138 Last CAS deassertion to RAS deassertion6 • BRW[1:0] = 00 tCRP 2.0 × T C − 6.0 24.4 — 19.0 — ns • BRW[1:0] = 01 3.5 × T C − 6.0 47.2 — 37.8 — ns • BRW[1:0] = 10 4.5 × T C − 6.0 62.4 — 50.3 — ns • BRW[1:0] = 11 6.5 × T C − 6.0 92.8 — 75.3 — ns 139 CAS deassertion pulse width tCP 1.25 × T C − 4.0 14.9 — 11.6 — ns 140 Column address valid to CAS assertion tASC TC − 4.0 11.2 — 8.5 — ns 141 CAS assertion to column address not valid tCAH 1.75 × T C − 4.0 22.5 — 17.9 — ns 142 Last column address valid to RAS deassertion tRAL 3 × T C − 4.0 41.5 — 33.5 — ns 143 WR deassertion to CAS assertion tRCS 1.25 × T C − 3.8 15.1 — 11.8 — ns 144 CAS deassertion to WR assertion tRCH 0.5 × T C − 3.7 3.9 — 2.6 — ns 145 CAS assertion to WR deassertion tWCH 1.5 × T C − 4.2 18.5 — 14.6 — ns 146 WR assertion pulse width tWP 2.5 × T C − 4.5 33.5 — 26.8 — ns |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 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 |
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
