Abstract
A 1.8V 2-Gb/s scalable low voltage signaling (SLVS) transmitter (TX) is designed for mobile applications requiring high speed and low power consumption. It consists of 4-lane TX for data transmission, 1-lane TX for a source synchronous clocking, and a 8-phase clock generator. The proposed SLVS TX has the scaling voltage swing from 50 mV to 650 mV and supports a high speed (HS) mode and a low power (LP) mode. An output impedance calibration scheme for the SVLS TX is proposed to improve the signal integrity. The proposed SLVS TX is implemented by using a 0.18- 1-poly 6-metal CMOS with a 1.8 V supply. The simulated data jitter of the implemented SLVS TX is about 8.04 ps at the data rate of 2-Gb/s. The area and power consumption of the 1-lane of the proposed SLVS TX are and 5.35 mW/Gb/s, respectively.
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