BUFCE_LEAF Clock Buffer - UG572

UltraScale Architecture Clocking Resources User Guide (UG572)

Document ID
UG572
Release Date
2025-05-29
Revision
1.11 English

BUFCE_LEAF is a clock buffer with CE for leaf driving off horizontal HCS row. This buffer is an interconnect leaf clock buffer driving the clocking point of the various blocks with a single gated input. Its O output is 0 when CE is Low (inactive). When CE is High, the I input is transferred to the O output. The following table shows the BUFCE_LEAF attributes.

Table 1. BUFCE_LEAF Attributes
Attribute Name Values Default Type Description
CE_TYPE SYNC, ASYNC SYNC STRING Sets the clock enable behavior where SYNC allows for glitchless transition while ASYNC allows immediate transition.
Note: The BUFGCE_LEAF is documented for information purpose only and is not user accessible in Vivado Design Suite (e.g., for instantiation, placement, etc.).