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AssigneeSamsung Electronics Co., Ltd.
InventorsJin-Kyoung Jung, Kyu-Hyoun Kim
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Provided are a synchronous semiconductor device and a method for preventing coupling between data buses. The synchronous semiconductor device supports at least two kinds of bit configuration modes and includes a first data bus and a second data bus. The first data bus is used to transmit data in a first bit configuration mode and used as a shielding line in a configuration mode other than the first bit configuration mode. The second data bus is used to transmit data in the first bit configuration mode and a second bit configuration mode and used as a shielding line in a configuration mode other than the first bit configuration mode and the second bit configuration mode. The first data bus and the second data bus are arranged alternately. In using the device and method, it is possible to prevent coupling between the data buses without additional shielding lines by using the same kind of data bus, which is not used to transmit data, as the shielding line.
A synchronous semiconductor device supporting at least two kinds of bit configuration modes, the synchronous semiconductor device comprising:
A synchronous semiconductor device which supports both a single data rate mode and a double data rate mode, the synchronous semiconductor device comprising:
A method of shielding data buses in a synchronous semiconductor device which supports at least modes including a first mode and a second mode and uses a various number of data buses according to the mode, the method comprising:
Dependencies are inferred from the claim text.