M64403FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC
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M64403FP Datasheet PDF : 17 Pages
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MITSUBISHI ICs (LSI)
M64403FP
ERROR CORRECTION WITH VARIABLE LENGTH AND DISTANCE
CORRECTING OPERATION STEPS IN PIPE LINE
(Ex.1) code length=182, design distance=11
CLKI=CLKE=CLKO=25MHz error correction (no erasure)
202clk=8.08µs
202clk=8.08µs
202clk=8.08µs
202clk=8.08µs
202clk=8.08µs
202clk=8.08µs
1st code word
code word input
1st stage operation
2nd stage operation
3rd stage operation
correction data
access period
2nd code word
code word input
1st stage operation
2nd stage operation
3rd stage operation
correction data
access period
3rd code word
code word input
1st stage operation
2nd stage operation 3rd stage operation
correction data
access period
Correction data is obtained three stages later (In this case, 202∗3=606clk 24.24µs) by input of consecutive code words.
(Ex.2) code length=208, design distance=17
CLKI=CLKE=CLKO=25MHz erasure correction
290clk=11.6µs
290clk=11.6µs
290clk=11.6µs
290clk=11.6µs
290clk=11.6µs
290clk=11.6µs
1st code word
code word input
1st stage operation
2nd stage operation
3rd stage operation
correction data
access period
2nd code word
code word input
1st stage operation
2nd stage operation
3rd stage operation
correction data
access period
3rd code word
code word input
1st stage operation
2nd stage operation 3rd stage operation
correction data
access period
Correction data is obtained three stages later (In this case, 290∗3=870clk 34.8µs) by input of consecutive code words.
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