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VSC7961 Datasheet(PDF) 2 Page - Vitesse Semiconductor Corporation |
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VSC7961 Datasheet(HTML) 2 Page - Vitesse Semiconductor Corporation |
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2 / 10 page  VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7961 3.125Gb/s PECL Limiting Amplifier with LOS Detect Page 2 G52360-0, Rev 2.0 02/09/01 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com Internet: www.vitesse.com Electrical Characteristics Table 1: DC Specifications NOTE: (1) See Figure 4 for supply current measurement setup. Table 2: DC Specifications NOTES: (1) Deterministic jitter measured peak-to-peak with K28.5 pattern. (2) Random jitter measured with minimum input. Symbol Parameter Min Typ Max Units Conditions VCC Power Supply Voltage 3.135 5.5 V ICC Power Supply Current(1) 59 mA VCC = 3.3V 62 mA VCC = 5V IEE Power Supply Current(1) 31 mA VCC = 3.3V 35 m Α VCC = 5V ICCSQ Power Supply Current when Squelched(1) 58 mA VCC = 3.3V 62 mA VCC = 5V IEESQ Power Supply Current when Squelched(1) 20 mA VCC = 3.3V 23 mA VCC = 5V ISQ Squelch Input Current 0 400 µA PSSR Power Supply Rejection Ratio 20 dB f < 2MHz Symbol Parameter Min Typ Max Units Conditions Data Rate 3.125 Gb/s VIN Input Voltage Range 10 1200 mV Peak-to-peak JD Deterministic Jitter 25 ps See Note 1 JR Random Jitter 8 ps See Note 2, RMS tR, tF Rise and Fall Times 55 100 ps 20% to 80% VN Input Referred Noise 230 µV RMS, IN+ to IN- RDIFF Differential Input Resistance 100 Ω IN+ to IN- fL Low Frequency Cutoff 2MHz CZ open 2kHz CZ = 0.1µF VSQ Output Signal When Squelched 20 mV Output AC-coupled VOH PECL Output High Voltage -1025 -850 mV -850 mV Squelched VOL PECL Output Low Voltage -1810 -1620 mV -1620 mV Squelched ZO Output Resistance 100 Ω Single-ended |
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