Internal voltage generation circuit for semiconductor device
First Claim
1. An internal voltage generation circuit for use in a semiconductor device, comprising:
- a standby internal voltage generator which is to be driven during a standby operation and an active operation, and supplies a voltage to an internal voltage end;
a first active internal voltage generator for supplying a voltage to the internal voltage end in response to an active signal being activated during the active operation; and
a second active internal voltage generator which is to be driven only for a predetermined time period in response to the active signal, and supplies a voltage to the internal voltage end,wherein the second active internal voltage generator includes;
an active signal sensing circuit for sensing the active signal; and
an internal voltage generator for generating a voltage in response to an output signal of the active signal sensing circuit,wherein the active signal sensing circuit is provided with a pulse generator for generating a pulse signal which becomes active only for the predetermined time period after receiving the active signal,wherein the pulse generator includes;
a delay circuit for taking and delaying the active signal; and
an output circuit for receiving the active signal and an output signal of the delay circuit to provide the pulse signal.
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Accused Products
Abstract
Provided is an internal voltage generation circuit for generating an internal voltage used in a semiconductor device. The internal voltage generation circuit includes a standby internal voltage generator which is driven during a standby operation and an active operation and supplies a voltage to a core voltage end, a first active internal voltage generator for supplying a voltage to the core voltage end in response to an active signal activated during the active operation, and a second active internal voltage generator which is driven only for a predetermined time period in response to the active signal, and supplies a voltage to the core voltage end.
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Citations
16 Claims
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1. An internal voltage generation circuit for use in a semiconductor device, comprising:
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a standby internal voltage generator which is to be driven during a standby operation and an active operation, and supplies a voltage to an internal voltage end; a first active internal voltage generator for supplying a voltage to the internal voltage end in response to an active signal being activated during the active operation; and a second active internal voltage generator which is to be driven only for a predetermined time period in response to the active signal, and supplies a voltage to the internal voltage end, wherein the second active internal voltage generator includes; an active signal sensing circuit for sensing the active signal; and an internal voltage generator for generating a voltage in response to an output signal of the active signal sensing circuit, wherein the active signal sensing circuit is provided with a pulse generator for generating a pulse signal which becomes active only for the predetermined time period after receiving the active signal, wherein the pulse generator includes; a delay circuit for taking and delaying the active signal; and an output circuit for receiving the active signal and an output signal of the delay circuit to provide the pulse signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An internal voltage generation circuit, comprising:
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a first active internal voltage generator for supplying an internal voltage during an active operation; and a second active internal voltage generator for supplying the internal voltage for a predetermined time included in the active operation, wherein the second active internal voltage generator includes; an active signal sensing circuit for sensing the active signal; and an internal voltage generator for generating a voltage in response to an output signal of the active signal sensing circuit, wherein the active signal sensing circuit is provided with a pulse generator for generating a pulse signal which becomes active only for the predetermined time period after receiving the active signal, wherein the pulse generator includes; a delay circuit for taking and delaying the active signal; and an output circuit for receiving the active signal and an output signal of the delay circuit to provide the pulse signal. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification