Part Number
|
DP8405 |
Manufacturer
|
National Semiconductor |
Description
|
Error Detection and Correction Circuits |
Published
|
Jan 7, 2016 |
Detailed Description
|
DP8402A DP8403 DP8404 DP8405 32-Bit Parallel Error Detection and Correction Circuits (EDAC’s)
Obsolete
PRELIMINARY
Aug...
|
Datasheet
|
DP8405
|
Overview
DP8402A DP8403 DP8404 DP8405 32-Bit Parallel Error Detection and Correction Circuits (EDAC’s)
Obsolete
PRELIMINARY
August 1989
DP8402A DP8403 DP8404 DP8405 32-Bit Parallel Error Detection and Correction Circuits (EDAC’s)
General Description
The DP8402A DP8403 DP8404 and DP8405 devices are 32-bit parallel error detection and correction circuits (EDACs) in 52-pin DP8402A and DP8403 or 48-pin DP8404 and DP8405 600-mil packages The EDACs use a modified Hamming code to generate a 7-bit check word from a 32-bit data word This check word is stored along with the data word during the memory write cycle During the memory read cycle the 39-bit words from memory are processed by the EDACs to determ...
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