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VSC7961 Datasheet(PDF) 6 Page - Vitesse Semiconductor Corporation |
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VSC7961 Datasheet(HTML) 6 Page - Vitesse Semiconductor Corporation |
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VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7961 3.125Gb/s PECL Limiting Amplifier with LOS Detect Page 6 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 Table 6: Pad Coordinates Pad Name Pin Name Pad/Pin Number Coordinates (µm) Description X Y CZ1 CZ1 1 270.525 1359.05 Offset Correction Loop Capacitor. Place capacitor between this pin and CZ2 to alter time constant of offset correction loop. See Detailed Description section. CZ2 CZ2 2 80.95 1170.525 Offset Correction Loop Capacitor. Place capacitor between this pin and CZ1 to alter time constant of offset correction loop. See Detailed Description section. GNDA GND 3 80.95 990.525 Supply Ground LAINP IN+ 4 80.95 810.525 Noninverted Input Signal LAINM IN- 5 80.95 630.525 Inverted Input Signal GNDA GND 6 80.95 450.525 Supply Ground NC NC 7 80.95 270.525 This pin may be either connected to ground of left unconnected. This pin does not effet the performance of the device. TH TH 8 270.525 80.95 Loss of Signal (LOS) Threshold. Connect a resistor from this pin to ground to set the input signal level at which LOS outputs will be asserted. See Application Information section. LOS LOS 9 1169.475 80.95 Inverted Loss of Signal Output. LOS is HIGH for input signals above the threshold programmed by TH. See Detailed Description section. LOS LOS 10 1359.05 270.525 Noninverted Loss of Signal Output. LOS is LOW for input signals above the threshold programmed by TH. See Detailed Description section. VCCA VCC 11 1359.05 450.525 Power Supply LOAM OUT- 12 1359.05 630.525 Inverted Data Output LAOP OUT+ 13 1359.05 810.525 Noninverted Data Output VCCA VCC 14 1359.05 990.525 Power Supply SQ SQUELCH 15 1359.05 1170.525 Squelch Input. Squelch is disabled if this pin is unconnected or set LOW. When SQUELCH is HIGH, OUT+ and OUT- are forced to static levels. See Detailed Description section. NC ——/16 1169.475 1359.05 No Connection |
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