Electronic Components Datasheet Search |
|
IDT72255LA10TFI Datasheet(PDF) 9 Page - Integrated Device Technology |
|
IDT72255LA10TFI Datasheet(HTML) 9 Page - Integrated Device Technology |
9 / 27 page 9 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE IDT72255LA/72265LA SUPERSYNC FIFO™ 8,192 x 18, 16,384 x 18 Figure 4. Programmable Flag Offset Programming Sequence Figure 3. Offset Register Location and Default Values Selection Parallel write to registers: Empty Offset Full Offset Parallel read from registers: Empty Offset Full Offset No Operation Write Memory Read Memory No Operation 4670 drw 07 0 0 X 1 1 1 0 0 1 1 0 X 1 1 1 0 1 X 0 1 1 Serial shift into registers: 26 bits for the 72255LA 28 bits for the 72265LA 1 1 1 X X X 0 WCLK X X X X RCLK X X X X X 1 bit for each rising WCLK edge Starting with Empty Offset (LSB) Ending with Full Offset (MSB) EMPTY OFFSET REGISTER 17 0 07FH if is LOW at Master Reset, 3FFH if is HIGH at Master Reset FULL OFFSET REGISTER 17 0 DEFAULT VALUE DEFAULT VALUE 07FH if is LOW at Master Reset, 3FFH if is HIGH at Master Reset 12 12 72255LA – 8,192 x 18–BIT 4670 drw 06 EMPTY OFFSET REGISTER 17 0 07FH if is LOW at Master Reset, 3FFH if is HIGH at Master Reset FULL OFFSET REGISTER 17 0 DEFAULT VALUE DEFAULT VALUE 07FH if is LOW at Master Reset, 3FFH if is HIGH at Master Reset 13 13 72265LA – 16,384 x 18–BIT NOTES: 1. The programming method can only be selected at Master Reset. 2. Parallel reading of the offset registers is always permitted regardless of which programming method has been selected. 3. The programming sequence applies to both IDT Standard and FWFT modes. |
Similar Part No. - IDT72255LA10TFI |
|
Similar Description - IDT72255LA10TFI |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | 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 |