XQ2V3000 Xilinx, XQ2V3000 Datasheet - Page 38

• Manufacturer Part Number: XQ2V3000
• Description: QPro Virtex-II 1.5V Military QML Platform FPGAs
• Manufacturer: Xilinx

QPro Virtex-II 1.5V Military QML Platform FPGAs
Operating Modes
The frequency ranges of DCM input and output clocks
depend
low-frequency mode or high-frequency mode, according to
Table
Table 27: DCM Frequency Ranges
Locations/Organization
Virtex-II DCMs are placed on the top and the bottom of each
block RAM and multiplier column. The number of DCMs
depends on the device size, as shown in
Table 28: DCM Organization
38
CLK0, CLK180
CLK90, CLK270
CLK2X, CLK2X180
CLKDV
CLKFX, CLKFX180
XQ2V1000
XQ2V3000
XQ2V6000
Output Clock
27. (For actual values, see
Device
on
the
operating
CLKIN_FREQ_DLL_LF
CLKIN_FREQ_DLL_LF
CLKIN_FREQ_DLL_LF
CLKIN_FREQ_DLL_LF
CLKIN_FREQ_FX_LF
Columns
CLKIN Input
4
6
6
mode
QPro Virtex-II Switching
Low-Frequency Mode
Table
specified,
DCMs
28.
12
12
CLKOUT_FREQ_1X_LF
CLKOUT_FREQ_1X_LF
CLKOUT_FREQ_2X_LF
CLKOUT_FREQ_DV_LF
CLKOUT_FREQ_FX_LF
8
either
www.xilinx.com
CLK Output
1-800-255-7778
Characteristics.) The CLK2X, CLK2X180, CLK90, and
CLK270 outputs are not available in high-frequency mode.
High or low-frequency mode is selected by an attribute.
CLKIN_FREQ_DLL_HF
CLKIN_FREQ_DLL_HF
CLKIN_FREQ_FX_HF
CLKIN Input
NA
NA
High-Frequency Mode
DS122 (v1.1) January 7, 2004
CLKOUT_FREQ_1X_HF
CLKOUT_FREQ_DV_HF
CLKOUT_FREQ_FX_HF
Product Specification
CLK Output
NA
NA
R