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US 8,619,484 B2Granted
Semiconductor device, method of adjusting load capacitance for the same, and semiconductor system including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsJong Hyoung Lim, Sang Seok Kang, Hyung Shin Kwon
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Abstract
A semiconductor device includes a bit line, a complementary bit line, a sense amplifier configured to sense and amplify a voltage difference between the bit line and the complementary bit line, and a capacitance adjusting circuit configured to adjust a load capacitance of the complementary bit line in response to a plurality of control signals.
Claims15
A system including a semiconductor device, the semiconductor device comprising:
- a bit line;
- a complementary bit line;
- a sense amplifier configured to sense and amplify a voltage difference between the bit line and the complementary bit line;
- and
- a capacitance adjusting circuit configured to adjust a load capacitance of the complementary bit line in response to a plurality of control signals,
- wherein the capacitance adjusting circuit includes a plurality of capacitors disposed within a conductive material,
- wherein the conductive material connects the capacitors together in series, and the capacitance adjusting circuit further comprises another capacitor positioned outside the conductive material and a metal contact is connected to the another capacitor.
4 more elements
A method of adjusting load capacitance of a complementary bit line of a sense amplifier in a semiconductor device, the method comprising:
- generating a plurality of control signals;
- and
- adjusting capacitance of each of a plurality of adjusting blocks connected between the complementary bit line and a ground based on a corresponding one of the control signals,
- wherein one of the adjusting blocks comprises capacitors disposed within a conductive material,
- wherein the conductive material connects the capacitors together in series and one adjusting block further comprises another capacitor positioned outside the conductive material and a metal contact is connected to the another capacitor.
2 more elements
Dependencies are inferred from the claim text.