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參數資料
| 型號： | ISPLSI81080V-125LB272 |
| 廠商： | LATTICE SEMICONDUCTOR CORP |
| 元件分類： | PLD |
| 英文描述： | 3.3V In-System Programmable SuperBIG⑩ High Density PLD |
| 中文描述： | EE PLD, 14.5 ns, PBGA272 |
| 封裝： | THERMALLY ENHANCED, BGA-272 |
| 文件頁數： | 18/26頁 |
| 文件大小： | 333K |
| 代理商： | ISPLSI81080V-125LB272 |
Specifications
ispLSI 81080V
18
Example Timing Calculations
t
pd1
= (BFM Input Path Delay) + (GLB Delay) + (Output Path Delay)
= (
t
idcom +
t
ibp +
t
bfmi max) + (
t
andhs +
t
4ptcom +
t
mbp) + (
t
bfmm +
t
bcom +
t
obp +
t
odcom +
t
slf)
= (#23 + #26 + #61) + (#39 + #42 + #45) + (#64 + #69 + #25 + #35 + #37)
= (0.3 + 0.4 + 1.0) + (2.6 + 0.5 + 0.0) + (0.6 + 1.5 + 0.0 + 1.6 + 0.0)
= 8.5 ns
t
pd (within BFM)
= (BFM Delay) + (GLB Delay)
= (
t
bfmm) + (
t
andhs +
t
4ptcom +
t
mbp)
= (#64) + (#39 + #42 + #45)
= (0.6) + (2.6 + 0.5 + 0.0)
= 3.7 ns
t
pd (between BFMs)
= (GRP Delay) + (BFM Delay) + (GLB Delay)
= (
t
grpm) + (
t
bfmg) + (
t
andhs +
t
4ptcom +
t
mbp)
= (#65) + (#67) + (#39 + #42 + #45)
= (2.6) + (3.3) + (2.6 + 0.5 + 0.0)
= 9.0 ns
BFM I/O to internal tri-state Enable/Disable
= (BFM Input Path Delay) + (GLB Delay, 1PT) + (Tri-state Control Delay)
= (
t
idcom +
t
ibp +
t
bfmi max) + (
t
andhs +
t
1pt +
t
mbp) + (
t
grpmz)
= (#23 + #26 + #61) + (#39 + #41 + #45) + (#66)
= (0.3 + 0.4 + 1.0) + (2.6 + 1.9 + 0.0) + (3.6)
= 9.8 ns
t
su1
= (BFM Input Path Delay) + (GLB Setup Time) - (Min. Global Clock Delay)
= (
t
idcom +
t
ibp +
t
bfmi max) + (
t
andhs +
t
4ptreg +
t
msu)
–
(
t
gck min)
= (#23 + #26 + #61) + (#39 + #43 + #48)
–
(#78)
= (0.3 + 0.4 + 1.0) + (2.6 + 1.4 + 2.7)
–
(3.9)
= 4.5 ns
1/
F
max = (Global Clk to MC Output) + (Local Feedback) + (GLB Setup Time)
= (
t
mco) + (
t
floc) + (
t
andhs +
t
ptsa +
t
msu)
= (#47) + (#54) + (#39 + #44 + #48)
= (0.2) + (0.1) + (2.6 + 2.4 + 2.7)
= 8.0 ns
F
max
= 125 MHz
Note: Calculations are based upon timing specifications for the ispLSI 81080V-125L
相關PDF資料 |
PDF描述 |
|---|---|
| ISPLSI81080V-60LB272 | 3.3V In-System Programmable SuperBIG⑩ High Density PLD |
| ISPLSI81080V-60LB492 | 3.3V In-System Programmable SuperBIG⑩ High Density PLD |
| ISPLSI81080V-90LB272 | 3.3V In-System Programmable SuperBIG⑩ High Density PLD |
| ISPLSI81080V-125LB492 | 3.3V In-System Programmable SuperBIG⑩ High Density PLD |
| ISPLSI81080V-90LB492 | 3.3V In-System Programmable SuperBIG⑩ High Density PLD |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISPLSI81080V-125LB492 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ISPLSI81080V-60LB272 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ISPLSI81080V-60LB272I | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ISPLSI81080V-60LB492 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Lattice Semiconductor Corporation 功能描述: |
| ISPLSI81080V-90LB272 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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