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XR17D154 Datasheet(PDF) 6 Page - Exar Corporation |
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XR17D154 Datasheet(HTML) 6 Page - Exar Corporation |
6 / 69 page XR17D154 xr UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART REV. 1.2.0 6 NOTE: Pin type: I=Input, O=Output, IO= Input/output, OD=Output Open Drain. VIO 4, 19, 34, 45, 137 PWR PCI bus I/O power supply - 3.3V or 5V, detected by the auto-sense circuitry of the XR17D154. This power supply determines the VOH level of the PCI bus interface outputs. (PCI 2.3 signalling compliant at both 3.3V and 5V operation, suitable for uni- versal form factor add-in card application.) GND 5,20,35,46,63, 89,136 PWR Power supply common, ground. NC 47-54, 71, 72, 75-80, 91-98, 117-124 No Connection. These pins are reserved and used by the octal PCI UARTs XR17C158 and XR17D158. PIN DESCRIPTIONS NAME PIN #TYPE DESCRIPTION |
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Similar Description - XR17D154 |
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