參數(shù)資料
型號(hào): AHA4011C-040PJC
廠商: Electronic Theatre Controls, Inc.
英文描述: 10 MBytes/sec Reed-Solomon Error Correction Device
中文描述: 10兆字節(jié)/秒的Reed - Solomon糾錯(cuò)裝置
文件頁(yè)數(shù): 27/28頁(yè)
文件大?。?/td> 466K
代理商: AHA4011C-040PJC
PS4011C-0200
Page 23 of 24
Advanced Hardware Architectures, Inc.
APPENDIX B
AHA4011C Data Rate Calculations in Continuous Operation
Assumptions and Equations:
1) 40 MHz Clock is used.
2) Input Rate (C
i
) = Output Rate (C
o
)
3) Latency =
4) Data Rate = 40 MHz/C
i
clocks/byte
5) GOOD or BAD based on inequality equation:
(5)
6) GOOD or BAD based on inequality equation:
(6)
7) Check symbols are input into and output from the chip along with message symbols.
Note:
The following tables show examples of Data Rates and Latencies for various block sizes. Other block sizes
are also possible.
CLOCKS
/BYTE
4
4
4
4
4
4
4
4
4
4
4
4
4
N
T
MAXIMUM LATENCY DATA RATE
CLOCKS
μ
SECONDS
209
5.23
343
8.57
359
8.97
476
11.9
609
15.2
742
18.6
1107
27.7
1181
29.5
1242
31.1
1143
28.6
1276
31.9
1409
35.2
1436
35.9
(MB/sec)
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
EQUATION 5 EQUATION 6
25 10
50 10
53 10
75 10
100 10
126 7
194 8
208 8
219 9
200 10
225 10
250 10
255 10
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
BAD
BAD
BAD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
CLOCKS
/BYTE
4
4
4
4
4
4
4
4
4
4
4
N
T
MAXIMUM LATENCY DATA RATE
CLOCKS
μ
SECONDS
199
4.98
333
8.32
466
11.7
599
15.0
733
18.3
866
21.7
999
25.0
1133
28.3
1266
31.7
1399
35.0
1426
35.7
(MB/sec)
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
EQUATION 5 EQUATION 6
25
50
75
100 5
125 5
150 5
175 5
200 5
225 5
250 5
255 5
5
5
5
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
BAD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
C
i
N
1
(
)
R
60
+
(
)
N
C
C
i
1
-------------
×
+
+
×
R
-------------------------------------------------
60
N
C
1
---------–
×
+
+
C
i
N
367
+
N
1
(
)
C
i
×
R
48
N
C
C
i
1
-------------
×
N
C
C
m
1
---------------
×
+
+
+
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