R
QPRO XQ4000XL Series QML High-Reliability FPGAs
Dual-Port RAM Synchronous (Edge-Triggered) Write Operation Characteristics
-3
Symbol
Write Operation
-1
Max
Min
7.7
-
-
-
-
-
-
-
7.8
3.9
1.7
0
2.0
0
1.6
0
-
-
-
-
-
-
-
-
6.7
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Dual Port RAM
Address write cycle time (clock K period)
Clock K pulse width (active edge)
Address setup time before clock K
Address hold time after clock K
D
IN
setup time before clock K
D
IN
hold time after clock K
WE setup time before clock K
WE hold time after clock K
Data valid after clock K
Size
(1)
16x1
16x1
16x1
16x1
16x1
16x1
16x1
16x1
16x1
Min
9.0
4.5
2.5
0
2.5
0
1.8
0
-
T
WCDS
T
WPDS
T
ASDS
T
AHDS
T
DSDS
T
DHDS
T
WSDS
T
WHDS
T
WODS
DS029 (v1.3) June 25, 2000
Product Specification
1-800-255-7778
9
XILINX [ XILINX, INC ]
