NRZI

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NRZI

(Non-Return-to-Zero Inverted) A magnetic recording and data modulation method in which the polarity of the bit is reversed when a 1 bit is encountered. All subsequent 0s following the 1 are recorded at the same polarity. See NRZ.

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The Host/Hub/Function models support all transfer cycles -- control, bulk, interrupt and isochronous; CRC generation and checking, and error generation; NRZI encoding with bit stuffing and error detection via the bus-turnaround timer.

New Model First to Support AGP Standard; Logic Modeling's new AGP, USB and Ethernet Models Ease Task of Complying with Industry Standards

The uPD98408 supports NRZI and 4B/5B encoding/decoding functions and integrates a scrambler/descrambler, line equalizer and clock recovery circuit for each individual port.

NEC Electronics Inc. debuts six-port 25-Mbps ATM chip; new chip promotes cost-effective ATM solution for the desktop

The clock and data can be recovered from NRZ and NRZI data streams, and there is no output clock drift in absence of data transitions once lock is acquired.

Vitesse Semiconductor reduces cost of clock and data recovery for SONET telecommunications products