Synchronization element for converting an asynchronous pulse sig

Details Synchronization element for converting an asynchronous pulse sig Synchronization element for converting an asynchronous pulse sig

1999-06-09

2000-12-19

Ghebretinsae, Temesghen

Pulse or digital communications

Synchronizers

327141, 370503, H04L 700

Patent

active

061635847

ABSTRACT:
A synchronization element for converting an asynchronous pulse signal into a synchronous pulse signal with reference to a clock signal according to the invention. The synchronization element has four flip-flops consisting of a first flip-flop, a second flip-flop, a third flip-flop and a fourth flip-flop, two AND gates, an NAND gate and an inverter. The first flip-flop can capture the rising edges of an input signal. The second and third flip-flops can generate a pulse signal synchronous to the reference clock signal according to whether or not the first flip-flop is latched. The fourth flip-flop is used to reset the other flip-flops. The NAND and One of the two AND gates can generate appropriate control signals to control corresponding signals.

REFERENCES:
patent: 4544914 (1985-10-01), Chang et al.
patent: 4935942 (1990-06-01), Hwang et al.
patent: 5331669 (1994-07-01), Wang et al.

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