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XQV100 Datasheet, PDF (12/31 Pages) Xilinx, Inc – QPro Virtex 2.5V QML
QPro Virtex 2.5V QML High-Reliability FPGAs
R
CLB SelectRAM Switching Characteristics
Symbol
Description
Sequential Delays
TSHCKO
Clock CLK to X/Y outputs (WE active)
Shift-Register Mode
TSHCKO
Clock CLK to X/Y outputs
Setup Times before Clock CLK
TAS/TAH
F/G address inputs
TDS/TDH
BX/BY data inputs (DIN)
TWS/TWH
CE input (WE)
Shift-Register Mode
TSHDICK
TSHCECK
Clock CLK
BX/BY data inputs (DIN)
CE input (WS)
TWPH
Minimum pulse width, High
TWPL
Minimum pulse width, Low
TWC
Minimum clock period to meet address write cycle time
Shift-Register Mode
TSRPH
TSRPL
Minimum pulse width, High
Minimum pulse width, Low
Speed Grade
-4
Min Max
Units
-
3.0
ns
-
3.0
ns
Setup Time / Hold Time
0.7 / 0 -
ns
0.9 / 0 -
ns
1.0 / 0 -
ns
0.9
-
ns
1.0
-
ns
3.1
-
ns
3.1
-
ns
6.2
-
ns
3.1
-
ns
3.1
-
ns
BLOCKRAM Switching Characteristics
Speed Grade
-4
Symbol
Description
Min Max Units
Sequential Delays
TBCKO
Clock CLK to DOUT output
Setup Times Before Clock Clk
-
4.1
ns
TBACK/TBCKA
TBDCK/TBCKD
TBECK/TBCKE
TBRCK/TBCKR
TBWCK/TBCKW
Clock CLK
ADDR inputs
DIN inputs
EN input
RST input
WEN input
1.5 / 0 -
ns
1.5 / 0 -
ns
3.4 / 0 -
ns
3.2 / 0 -
ns
3.0 / 0 -
ns
TBPWH
Minimum pulse width, High
2.0
-
ns
TBPWL
Minimum pulse width, Low
2.0
-
ns
TBCCS
CLKA -> CLKB setup time for different ports
4.0
-
ns
Notes:
1. A Zero “0” Hold Time listing indicates no hold time or a negative hold time. Negative values can not be guaranteed “best-case”, but
if a “0” is listed, there is no positive hold time.
12
www.xilinx.com
DS002 (v1.5) December 5, 2001
1-800-255-7778
Preliminary Product Specification