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XRT83VSH28IB Datasheet(PDF) 20 Page - Exar Corporation |
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XRT83VSH28IB Datasheet(HTML) 20 Page - Exar Corporation |
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20 / 74 page  XRT83VSH28 PRELIMINARY 17 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT REV. P1.0.0 TVDD E4 F4 F16 E17 R4 P1 N15 P15 **** Transmit Analog Power Supply (3.3V ±5%) TVDD can be shared with DVDD. However, it is recommended that TVDD be isolated from the analog power supply RVDD. For best results, use an internal power plane for isolation. If an internal power plane is not available, a ferrite bead can be used. Each power supply pin should be bypassed to ground through an external 0.1 µF capacitor. RVDD C2 E5 G16 D16 V2 N3 N17 U18 **** Receive Analog Power Supply (3.3V ±5%) RVDD should not be shared with other power supplies. It is recommended that RVDD be isolated from the digital power supply DVDD and the analog power supply TVDD. For best results, use an internal power plane for isolation. If an internal power plane is not available, a ferrite bead can be used. Each power supply pin should be bypassed to ground through an external 0.1 µF capacitor. RGND D2 G3 G17 D17 T2 M2 M17 R17 **** Receiver Analog Ground It’s recommended that all ground pins of this device be tied together. AVDD-Bias K17 J3 J2 **** Analog Power Supply (1.8V ±5%) AVDD should be isolated from the digital power supplies. For best results, use an internal power plane for isolation. If an internal power plane is not available, a ferrite bead can be used. Each power supply pin should be bypassed to ground through at least one 0.1 µF capacitor. AGND J17 K3 L4 **** Analog Ground It’s recommended that all ground pins of this device be tied together. DVDD3v3 A18 R9 D9 K15 J4 **** Digital Power Supply (3.3V ±5%) DVDD should be isolated from the analog power supplies. For best results, use an internal power plane for isolation. If an internal power plane is not available, a ferrite bead can be used. Every two DVDD power supply pins should be bypassed to ground through at least one 0.1 µF capacitor. DVDD1v8 V1 U10 K18 D10 A9 **** Digital Power Supply (1.8V ±5%) DVDD should be isolated from the analog power supplies. For best results, use an internal power plane for isolation. If an internal power plane is not available, a ferrite bead can be used. Every two DVDD power supply pins should be bypassed to ground through at least one 0.1 µF capacitor. NOTE: For proper operation, the power-up sequence is: bring up 1.8V power befor the 3.3V. SIGNAL NAME BGA LEAD # TYPE DESCRIPTION |
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