Patent ID: 8891313
Filing Date: 2014-11-18
Classification: G11C

Abstract:
1. A read operation method for a memory device, the method comprising: in response to an input address indicating to read data from a different page, precharging a selected word line of an array cell, a first global bit line group, a second global bit line group and a selected first bit line group; generating a first cell current flowing through the array cell, the first global bit line group and the selected first bit line group, and generating a first reference current flowing through the second global bit line group; reading a first half page data based on the first cell current and the first reference current; keeping the selected word line, the first global bit line group and the second global bit line group in a precharged state; generating a second cell current flowing through the array cell, and generating a second reference current; and reading a second half page data based on the second cell current and the second reference current.