Electronic Components Datasheet Search |
|
72261LA15PFGI Datasheet(PDF) 9 Page - Integrated Device Technology |
|
72261LA15PFGI Datasheet(HTML) 9 Page - Integrated Device Technology |
9 / 27 page 9 COMMERCIALANDINDUSTRIAL TEMPERATURERANGES IDT72261LA/72271LA SuperSync FIFO™ 16,384 x 9 and 32,768 x 9 Figure 4. Programmable Flag Offset Programming Sequence Figure 3. Offset Register Location and Default Values EMPTY OFFSET (LSB) REG. 8 7 0 EMPTY OFFSET (MSB) REG. 00H 85 0 IDT72261LA ⎯ 16,384 x 9 ⎯ BIT FULL OFFSET (LSB) REG. 8 7 0 FULL OFFSET (MSB) REG. 00H 85 0 DEFAULT VALUE 07FH if LD is LOW at Master Reset 3FFH if LD is HIGH at Master Reset DEFAULT VALUE 07FH if LD is LOW at Master Reset 3FFH if LD is HIGH at Master Reset 4671 drw 06 IDT72271LA ⎯ 32,768 x 9 ⎯ BIT EMPTY OFFSET (LSB) REG. 8 7 0 EMPTY OFFSET (MSB) REG. 00H 86 0 FULL OFFSET (LSB) REG. 8 7 0 FULL OFFSET (MSB) REG. 00H 86 0 DEFAULT VALUE 07FH if LD is LOW at Master Reset 3FFH if LD is HIGH at Master Reset DEFAULT VALUE 07FH if LD is LOW at Master Reset 3FFH if LD is HIGH at Master Reset 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. WCLK RCLK Selection X Parallel write to registers: Empty Offset (LSB) Empty Offset (MSB) Full Offset (LSB) Full Offset (MSB) X Parallel read from registers: Empty Offset (LSB) Empty Offset (MSB) Full Offset (LSB) Full Offset (MSB) X X No Operation X Write Memory X Read Memory X X No Operation 4671 drw 07 LD 0 0 X 1 1 1 0 WEN 0 1 1 0 X 1 1 REN 1 0 1 X 0 1 1 X Serial shift into registers: 28 bits for the 72261LA SEN 1 1 1 X X X 0 30 bits for the 72271LA 1 bit for each rising WCLK edge Starting with Empty Offset (LSB) Ending with Full Offset (MSB) |
Similar Part No. - 72261LA15PFGI |
|
Similar Description - 72261LA15PFGI |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | 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 |