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DP8406

Part Number	DP8406
Manufacturer	National Semiconductor
Description	32-Bit Parallel Error Detection and Correction Circuit
Published	Jan 7, 2006
Detailed Description	DP8406 (54F 74F632) 32-Bit Parallel Error Detection and Correction Circuit May 1991 DP8406 (54F 74F632) 32-Bit Paralle...
Datasheet	DP8406 PDF File

Overview

DP8406 (54F 74F632) 32-Bit Parallel Error Detection and Correction Circuit May 1991 DP8406 (54F 74F632) 32-Bit Parallel Error Detection and Correction Circuit General Description The DP8406 device is a 32-bit parallel error detection and correction circuit (EDAC) in a 52-pin or 68-pin package The EDAC uses 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 EDAC to determine if errors have occurred in memory Single-bit errors in the 32-bit data word are flagged and corrected Single-bit errors in the 7-bit ...

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