Differential Output Buffer Primitives

Versal Adaptive SoC SelectIO Resources Architecture Manual (AM010)

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Figure 1. Differential Output Buffer Primitives

Table 1. OBUFDS, OBUFTDS Attributes
Attribute Values Description
SLEW SLOW, FAST, MEDIUM Specifies the slew rate of the output driver. (OBUFDS, OBUFTDS)
IOSTANDARD See HD IOB Supported Standards Assigns an I/O standard to the element.
Table 2. OBUFDS, OBUFTDS Ports
Port I/O Description
O Output Output connected directly to P-side top-level output port.
OB Output Output connected directly to N-side top-level output port.
I Input Buffer input
T Input Tristate enable input (OBUFTDS only)