Receiver circuit, semiconductor integrated circuit, and test method
A receiver and circuit technology, used in digital circuit testing, electronic circuit testing, receiver monitoring, etc., can solve the problems of impedance mismatch measurement error and accuracy degradation of transmission lines.
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[0029] Embodiments will now be described with reference to the drawings, wherein like reference numerals refer to like elements throughout.
[0030] figure 1 is an example of the semiconductor integrated circuit according to the embodiment.
[0031] The semiconductor integrated circuit 1 includes: a receiver circuit 2; an internal circuit 3 that performs determination operations based on data and clocks received by the receiver circuit 2; and terminals P1, P2, P3, P4, and P5 that input and output various signals.
[0032] The receiver circuit 2 includes: a phase locked loop (Phase Locked Loop, PLL) circuit 10, a jitter generator unit 11, a test pattern generator unit 12, selector units 13a, 13b and 13c, a CDR circuit 14, a comparator unit 15, A jitter extractor unit 16 , a jitter signature detector unit 17 , and a controller unit 18 . Each of the jitter generator unit 11, the test pattern generator unit 12, the selector units 13a, 13b, and 13c, the comparator unit 15, the ji...
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