Multi-channel self refresh device
First Claim
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1. A multi-channel self refresh device comprising:
- a period generation circuit configured to output a self refresh pulse signal having a predetermined time period in response to a refresh enable signal;
a channel region configured to activate a refresh signal in response to the self refresh pulse signal, when a self refresh command signal corresponding to a channel from among a plurality of self refresh command signals is activated;
a combination unit configured to receive a plurality of self refresh signals and output a refresh enable signal.
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Abstract
A multi-channel self refresh device may include period generation circuit configured to output a self refresh pulse signal having a predetermined time period in response to a refresh enable signal. The multi-channel self refresh device may include a channel region configured to activate a refresh signal in response to the self refresh pulse signal, when a self refresh command signal corresponding to a channel from among a plurality of self refresh command signals is activated.
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Citations
19 Claims
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1. A multi-channel self refresh device comprising:
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a period generation circuit configured to output a self refresh pulse signal having a predetermined time period in response to a refresh enable signal; a channel region configured to activate a refresh signal in response to the self refresh pulse signal, when a self refresh command signal corresponding to a channel from among a plurality of self refresh command signals is activated; a combination unit configured to receive a plurality of self refresh signals and output a refresh enable signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A multi-channel self refresh device comprising:
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a combination unit configured to output a refresh enable signal in response to receiving at least one self refresh signal from a plurality of self refresh signals; a period generation circuit configured to output a self refresh pulse signal having a predetermined time period in response to the refresh enable signal; a first Pulse for Self Refresh (PSRF)controller configured to output a first refresh signal in response to the self refresh pulse signal when a first self refresh command signal is activated; and a second PSRF controller configured to output a second refresh signal in response to the self refresh pulse signal when a second self refresh command signal is activated. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification