Patent ID: 6963502

Claim:
An apparatus for dividing a bank in a flash memory, the flash memory having a first bank and a second bank that share an input/output line, comprising; a first page buffer connected to a bit line of the first bank, and buffering a data that will be transmitted to/from the first bank; a second page buffer connected to a bit line of the second bank, and buffering a data that will be transmitted to/from the second bank; a first page buffer select mean connected between the first page buffer and a first node, and controlling a transmission of the data that will be transmitted to/from the first page buffer; a second page buffer select mean connected between the second page buffer and the first node, and controlling transmission of the data that will be transmitted to/from the second page buffer; and a switching mean connected between the first node and the input/output line, and controlling transmission of the data between the first and second page buffer select mean and the input/output line.