Time measuring device

Details Time measuring device Time measuring device

1997-08-08

1998-10-06

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368120, 331 57, G04F 800, H03B 500

Patent

active

058187979

ABSTRACT:
To provide a time measuring apparatus which is compact and capable of highly accurate measurements, on a semiconductor chip, flip-flops constituting a delayed-signal holding circuit of a first channel and flip-flops constituting a delayed-signal holding circuit of a second channel are disposed alternatingly and in a single row in a circuit region of the delayed-signal holding circuits to latch delayed signals from a pulse-circulating circuit, and flip-flops for latching the same delay signals are mutually adjacent. Due to this, distances between the pulse-circulating circuit and the respective delayed-signal holding circuits become equal, and delay signals having no deviation in delay due to difference in wiring length are supplied to the respective channels, and so uniform measurement can be performed between the respective channels.

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patent: 5684760 (1997-11-01), Hunter
patent: 5694377 (1997-12-01), Kushnick
Ljuslin et al., "An Integrated 16-channel CMOS Time to Digital Converter", Oct. 1993, pp. 625-629, CERN, Geneva, Switzerland, XP 000481422.
Loinaz et al., "A CMOS Multichannel IC for Pulse Timing Measurements with 1-mV Sensitivity", IEEE Journal of Solid-State Circuits, Dec. 1995, pp. 1339-1348, vol. 30, No. 12, XP 000557238.
IEEE Journal of Solid State Circuits, vol. 30,No.12,Dec. 1995 A CMOS Multichannel IC for Pulse Timing Measurement with 1-MV Sensitivity, pp. 1339-1348.

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