XC3S50A Xilinx Corp., XC3S50A Datasheet - Page 42

• Manufacturer Part Number: XC3S50A
• Description: Spartan-3a Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

DC and Switching Characteristics
Clock Buffer/Multiplexer Switching Characteristics
Table 32: Clock Distribution Switching Characteristics
42
Global clock buffer (BUFG, BUFGMUX, BUFGCE) I input to
O-output delay
Global clock multiplexer (BUFGMUX) select S-input setup to I0 and
I1 inputs. Same as BUFGCE enable CE-input
Frequency of signals distributed on global buffers (all sides)
Description
www.xilinx.com
Symbol
F
T
T
BUFG
GIO
GSI
Minimum
–
–
0
0.22
0.56
350
-5
Speed Grade
Maximum
DS529-3 (v1.5) July 10, 2007
Product Specification
0.23
0.63
333
-4
Units
MHz
ns
ns
R