| 摘要 |
Apparatus for synchronizing signals. For memory devices, such as SDRAMs, implementing a synchronization device to synchronize one signal, such as an external clock signal with a second signal, such as a data signal, tuning elements may be provided at various points in the signal path of the synchronization device. The tuning elements are designed to be identical, such that a single design may be used to a signal mismatch that is produced in either direction, using a single design. The tuning elements may be implemented to provide uniformity in the access time through a range of conditions, such as drain voltages and temperatures.
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