 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
DP8344 Datasheet(PDF) 106 Page - National Semiconductor (TI) |
|
|
|
|||||||||||||||||||||||||||||
DP8344 Datasheet(HTML) 106 Page - National Semiconductor (TI) |
|
|
106 / 184 page  50 Device Specifications (Continued) TABLE 5-10 Control Pin Timing (Note 1) Symbol ID Parameter Formula Min Max Units tW-RST 1 RESET Low 5Ta 0ns tPD-RST-ICLK 2 RESET Rising to ICLK Rising 4Ta 0ns tSU-ALE-WT 3 WAIT Low after ALE High to Extend Cycle (MAX(nDW nIWb1)a1)Tab21 ns tH-WT-ALE 4 WAIT Rising after ALE Falling (Note 2) 0 ns (MAX(nDW nIWb1)a1)Tab28 ns tPD-WT-RDWR 5 WAIT Rising to READ or WRITE Rising TaTLab22 ns 2TaTLa 2ns tSU-RRW-RST 6 REM-RD REM-WR Low to RESET 15 ns Rising for BCP to Start tH-RST-RRW 7 REM-RD REM-WR Low after RESET 5ns Rising for BCP to Start tSU-LK-ICLK 8 LOCK Low before ICLK High (Note 3) TLa 19 ns tPD-LK-ALE 9 LOCK High to ALE Low Tab2ns 3Ta 20 ns tSU-WT-ICLK 10 WAIT Low after ICLK Rising to Extend Cycle (MAX(nDW nIWb1))TaTHa b 22 ns (Note 4) tH-WT-ICLK 11 WAIT High after ICLK Rising (Notes 2 4) (MAX(nDW nIWb1))TaTHa 2ns (MAX(nDW nIWb1)a1)TaTHab20 ns tH-LK-ICLK 12 LOCK Rising after ICLK High THa 2ns tPD-AD-ALE 13 AD to ALE Falling after LOCK Rising Tab33 ns tSU-WT-ALEf 14 WAIT Low before ALE Falling to Extend Cycle 23 ns Note 1 All parameters are individually tested and guaranteed Interpreting this data by numerically adding two or more parameters to create a new timing specification may lead to invalid results Note 2 The maximum value for this parameter is the lastest WAIT can be removed without adding an additional T-state The formula assumes a minimum externally generated wait of one T-state Note 3 If tSU-LK-ICLK is not met the maximum time from LOCK low till no more local accesses is (MAX(nDW nIWb1)a3)T Note 4 The formula(s) apply to a 2 T-state instruction For a 3 T-state instruction add one T-state for a 4 T-state instruction add two T-states 106 |
|
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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
