 |
전자부품 데이터시트 검색엔진 |
|
|
전자부품 데이터시트 검색엔진 |
|
DSP56004UM/AD 데이터시트(PDF) 34 Page - Freescale Semiconductor, Inc |
|
|
|||||||||||||||||||||||||||||
DSP56004UM/AD 데이터시트(HTML) 34 Page - Freescale Semiconductor, Inc |
|
|
34 / 82 page  2-10 DSP56004/D, Rev. 3 MOTOROLA Specifications External Memory Interface (EMI) DRAM Timing 54 CAS Deassertation Pulse Width (Page Mode Access Only) tCP TC – 5 15 — 10 — 7.3 — ns 55 Row Address Valid to RAS Assertion (Row Address Setup Time) tASR TL – 6 4—2— 0.2 — ns 56 RAS Assertion to ROW Address Not Valid (Row Address Hold Time) tRAH slow fast 3 × T C + TH – 14 2 × T C + TH – 14 56 36 — — 39 24 — — 29.2 16.9 — — ns ns 57 Column Address Valid to CAS Assertion (Column Address Setup Time) tASC TL – 6 4—2— 0.2 — ns 58 CAS Assertion to Column Address Not Valid (Column Address Hold Time) tCAH slow fast 3 × T C + TH – 14 2 × T C + TH – 14 56 36 — — 39 24 — — 29.2 16.9 — — ns ns 59 Last CAS Assertion to Column Address Not Valid (Column Address Hold Time) tCAH slow fast 7 × T C + TH – 14 4 × T C + TH – 14 136 76 — — 100 54 — — 78.6 41.6 — — ns ns 60 RAS Assertion to Column Address Not Valid tAR slow fast 7 × T C + TH – 14 5 × T C + TH – 14 136 96 — — 100 69 — — 78.6 53.9 — — ns ns 61 Column Address Valid to RAS Deassertation tRAL slow fast 3 × T C + TL – 7 2 × T C + TL – 7 63 43 — — 46 30 — — 36.2 23.9 — — ns ns 62 CAS, RAS, RD, or WR Deassertation to WR or RD Assertion tRCH, tRRH slow fast 5 × T C – 11 3 × T C – 11 89 49 — — 65 35 — — 50.7 26.0 — — ns ns 63 CAS or RD Deassertation to Data Not Valid (Data Hold Time) tOFF, tGZ 0 0—0— 0 — ns 64 Random Read or Write Cycle Time (Single Access Only) tRC slow fast 12 × T C 8 × T C 240 160 — — 182 121 — — 148 98.8 — — ns ns Table 2-8 External Memory Interface (EMI) DRAM Timing (Continued) No. Characteristics Symbol Timing Mode Expression 50 MHz 66 MHz 81 MHz Unit Min Max Min Max Min Max Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
|
링크 URL |
| ALLDATASHEET 가 귀하에 도움이 되셨나요? [ DONATE ] |
Alldatasheet는? | 광고문의 | 운영자에게 연락하기 | 개인정보취급방침 | 링크 투 데이터시트 | 링크교환 | 제조사별 검색 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 |
Korean ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
