Differential Output Buffer Primitives

Versal Adaptive SoC SelectIO Resources Architecture Manual (AM010)

Document ID: AM010
Release Date: 2024-03-18
Revision: 1.5 English

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)