"While we had previously expected that we
would secure all approvals by the end of 2021, we have not yet completed the process,"
the companies said in a statement.
Shares of AMD were marginally up in trading
after the bell, while those of Xilinx fell 3.6 percent.
AMD announced the deal in October,
intensifying its battle with chief rival Intel in the data center chip market.
Amid the US-China tensions, chip deals face
approval challenges from Chinese regulators, who are known for their lengthy
and sometimes opaque antitrust reviews.
"Our conversations with regulators
continue to progress productively, and we expect to secure all required
approvals,” the companies said.
Chip designing peer Nvidia has been struggling
with getting regulatory approval for its deal for UK-based chip firm ARM, with
the US Federal Trade Commission earlier this month suing to block the deal over
competition concerns. © Reuters