SEMICONDUCTOR DEVICE HAVING SYNDROME GENERATOR

An apparatus that includes a memory cell array, an I/O terminal supplied with an original write data in a normal operation, a compression logic circuit configured to generate a compressed test data in a test operation based on a test read data read from the memory cell array, and a syndrome generato...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKANISHI, TAKUYA, ADACHI, KENYA
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus that includes a memory cell array, an I/O terminal supplied with an original write data in a normal operation, a compression logic circuit configured to generate a compressed test data in a test operation based on a test read data read from the memory cell array, and a syndrome generator configured to generate a first syndrome based on the original write data in the normal operation and generate a second syndrome based on the compressed test data in the test operation.