参数资料
型号: EP1C6T240C7ES
厂商: Altera Corporation
英文描述: Cyclone FPGA Family Data Sheet
中文描述: 气旋的FPGA系列数据手册
文件页数: 83/104页
文件大小: 763K
代理商: EP1C6T240C7ES
Altera Corporation
January 2007
4–13
Preliminary
Timing Model
Figure 4–1
shows the memory waveforms for the M4K timing parameters
shown in
Table 4–23
.
Figure 4–1. Dual-Port RAM Timing Microparameter Waveform
Table 4–24. Routing Delay Internal Timing Microparameter Descriptions
Symbol
Parameter
t
R4
Delay for an R4 line with average loading; covers a distance
of four LAB columns
t
C4
Delay for an C4 line with average loading; covers a distance
of four LAB rows
t
LOCAL
Local interconnect delay
wrclock
wren
wraddress
data-in
reg_data-out
an-1
an
a0
a1
a2
a3
a4
a5
din-1
din
din4
din5
rdclock
a6
din6
unreg_data-out
rden
rdaddress
bn
b0
b1
b2
b3
doutn-2
doutn-1
doutn
doutn-1
doutn
dout0
t
WERESU
t
WEREH
t
DATACO1
t
DATACO2
t
DATASU
t
DATAH
t
WEREH
t
WERESU
t
WADDRSU
t
WADDRH
dout0
t
RC
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