Pulse generator circuit and semiconductor device including same

Details Pulse generator circuit and semiconductor device including same Pulse generator circuit and semiconductor device including same

2006-03-21

2006-03-21

Sircus, Brian (Department: 2836)

Electrical transmission or interconnection systems

Wave form or wave shape determinative or pulse-producing...

C307S409000, C307S411000, C713S401000

Reexamination Certificate

active

07015600

ABSTRACT:
A pulse generator circuit is disclosed including a delay element coupled to a logic circuit. The delay element receives a clock signal CLK and a signal X and produces a signal XN dependent upon the clock signal CLK and the signal X. The logic circuit receives the clock signal CLK and the signal XN and produces a signal ACLK such that ACLK=CLK·XN′. The signal ACLK may include a series of positive pulses. The delay element may be, for example, one of multiple delay elements coupled in series, and signal X may be an output of a preceding one of the delay elements. A semiconductor device is described including the above pulse generator circuit and a self-resetting logic circuit. The self-resetting logic circuit receives the signal ACLK and one or more input signals and performs a logic operation using the one or more input signals during the positive pulses. The semiconductor device may include, for example, a random access memory (RAM) device, and the self-resetting logic circuit may form a part of a decoder circuit of the RAM device.

REFERENCES:
patent: 6252441 (2001-06-01), Lee et al.
patent: 6707331 (2004-03-01), Nguyen
patent: 2220284 (1990-01-01), None

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