IC card with error processing unit for sense amplifiers

Details IC card with error processing unit for sense amplifiers IC card with error processing unit for sense amplifiers

1997-11-03

1999-04-20

Le, Vu A.

Static information storage and retrieval

Read/write circuit

Including signal comparison

365195, 365205, G11C 700

Patent

active

058963251

ABSTRACT:
An IC card having a memory for receiving data from and sending data to a data reader/writer includes a reading-completion detection circuit for detecting if each sense amplifier in the IC card has completed data reading from the memory and a control circuit which ignores a command sent from the data reader/writer when no reading completion detection signal is output from the data reading-completion detection circuit upon verifying a password sent from the data reader/writer.

REFERENCES:
patent: 5539825 (1996-07-01), Akiyama et al.
patent: 5577000 (1996-11-01), Asami

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