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US 2013/0154025 A1Published application
Semiconductor device including capacitor stabilizing variation of power supply voltage
AssigneeElpida Memory, Inc.
InventorsKoji YASUMORI, Hisayuki NAGAMINE
Life of this patent
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Abstract
Disclosed herein is a semiconductor device that includes a first line supplied with a first voltage, a second line supplied with a second voltage, a first node, at least one first capacitor connected between the first line and the first node, at least one second capacitor connected between the node and the second line, and a protective element connected between the first node and the second line in parallel to the second capacitor.
Claims20
A semiconductor device comprising:
- a first line supplied with a first voltage;
- a second line supplied with a second voltage;
- a first node;
- at least one first capacitor connected between the first line and the first node;
- at least one second capacitor connected between the node and the second line;
- and
- a protective element connected between the first node and the second line in parallel to the second capacitor.
4 more elements
A semiconductor device, comprising:
- a first external terminal supplied with a first voltage from outside;
- a second external terminal supplied with a second voltage lower than the first voltage;
- first and second power supply lines respectively connected to the first and second external terminals;
- a plurality of capacitance elements connected in series between the first and second power supply lines;
- and
- a semiconductor substrate of a first conductivity type;
- wherein,
- a mid connection point interconnecting different ones of the plurality of the capacitance elements to each other is connected to a first area of the second conductivity type which is formed in the semiconductor substrate;
- the second power supply line being connected to a second area of the first conductivity type which is formed in the semiconductor substrate.
6 more elements
A semiconductor device comprising:
- a first conductive line conveying a first voltage;
- a second conductive line conveying a second voltage;
- a connection node;
- a first capacitor connected between the first conductive line and the connection node;
- a second capacitor connected between the connection node and the second line;
- and
- a first element functioning as a diode and connected between the connection node and the second line such that the first element is reverse-biased by a voltage between the connection node and the second line.
4 more elements
Dependencies are inferred from the claim text.