Static information storage and retrieval – Read/write circuit – Signals
Reexamination Certificate
2006-12-12
2009-10-20
Luu, Pho M. (Department: 2824)
Static information storage and retrieval
Read/write circuit
Signals
C365S189120, C365S194000, C365S230080, C365S233120
Reexamination Certificate
active
07606089
ABSTRACT:
A data strobe signal generator includes a control unit, a pulse delay unit, a clock generator, and a data strobe output unit. The control unit generates a CAS latency signal and a preamble signal. The pulse delay unit delays a pulse signal for predetermined time and outputs a delayed pulse signal. The clock generator outputs a control clock signal. The data strobe output unit outputs a data strobe signal. The data strobe signal generator and the semiconductor memory device having the same generate a data strobe signal based on an adjustable preamble value, thereby ensuring the stabilized data output operation of a high-speed memory device.
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Notice of Allowance for Korean app. 10-2006-0053952.
Hynix / Semiconductor Inc.
Lowe Hauptman & Ham & Berner, LLP
Luu Pho M.
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