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NB4L858M Datasheet(PDF) 3 Page - ON Semiconductor |
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NB4L858M Datasheet(HTML) 3 Page - ON Semiconductor |
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3 / 10 page  NB4L858M http://onsemi.com 3 Table 2. PIN DESCRIPTION Pin Name I/O Description 1 DB1 LVPECL, CML Input Channel B1 positive signal input. 2 VTDB1 − Internal 100 W center−tapped termination pin for channel B1. 3 DB1 LVPECL, CML Input Channel B1 negative signal input. 4 SELB0 LVTTL / LVCMOS Channel B0 Output Select. See Table 1. 5 DB0 LVPECL, CML Input Channel B0 positive signal input. 6 VTDB0 − Internal 100 W center−tapped termination pin for channel B0. 7 DB0 LVPECL, CML Input Channel B0 negative signal input. 8 SELB1 LVTTL / LVCMOS Channel B1 output select. See Table 1. 9,24 GND − Supply ground. All GND pins must be externally connected to power supply to guarantee proper operation. 10, 13, 16, 17, 20, 23 VCC − Positive Supply. All VCC pins must be externally connected to power supply to guarantee proper operation. 11 QB0 CML Output Channel B0 negative signal output. Typically terminated with 50 W resistor to VCC. 12 QB0 CML Output Channel B0 positive signal output. Typically terminated with 50 W resistor to VCC 14 QB1 CML Output Channel B1 negative signal output. Typically terminated with 50 W resistor to VCC. 15 QB1 CML Output Channel B1 positive signal output. Typically terminated with 50 W resistor to VCC. 18 QA1 CML Output Channel A1 negative signal output. Typically terminated with 50 W resistor to VCC. 19 QA1 CML Output Channel A1 positive signal output. Typically terminated with 50 W resistor to VCC. 21 QA0 CML Output Channel A0 negative signal output. Typically terminated with 50 W resistor to VCC. 22 QA0 CML Output Channel A0 positive signal output. Typically terminated with 50 W resistor to VCC. 25 DA0 LVPECL, CML Input Channel A0 positive signal input. 26 VTDA0 − Internal 100 W center−tapped termination pin for channel A0. 27 DA0 LVPECL, CML Input Channel A0 negative signal input. 28 SELA1 LVTTL Channel A1 output select. See Table 1. 29 DA1 LVPECL, CML Input Channel A1 positive signal input. 30 VTDA1 − Internal 100 W center−tapped termination pin for channel A1. 31 DA1 LVPECL, CML Input Channel A1 negative signal input. 32 SELA0 LVTTL Channel A0 output select. See Table 1. |
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