參數資料
型號: LFX500B-4F900I
廠商: Lattice Semiconductor Corporation
英文描述: The ispXPGA architecture
中文描述: 在ispXPGA架構
文件頁數: 33/89頁
文件大?。?/td> 941K
代理商: LFX500B-4F900I
Lattice Semiconductor
ispXPGA Family Data Sheet
33
LOCKIN Time
REFCLK and SS_CLKIN Timing
SERIALIZER Timing
1
Symbol
Description
Mode
Condition
Min.
Max.
Units
t
SCLOCK
CSPLL Lock Time
All
After Input is Stabilized
25
μ
S
t
RCP
t
RCP
t
RCP
t
RCP
t
RCP
t
RCP
t
RCP
t
CDRLOCK
CDRPLL Lock-in Time
SS
With SS mode Sync Pattern
1024
1
10B12B
With 10B12B Sync Pattern
1024
8B10B
With 8B10B Idle Pattern
480
t
SYNC
t
CAL
t
SUSYNC
t
HDSYNC
1. REFCLK clock period.
SyncPat Length
SS
1200
CAL Duration
SS
1100
SyncPat Set-up Time to CAL
SS
50
SyncPat Hold Time from CAL
SS
50
Symbol
Description
Mode
Condition
Min.
Max.
Units
f
DREFCLK
Frequency Deviation Between TX REFCLK and
CDRX REFCLK on one link.
8B10B,
10B12B
-100
100
ppm
t
JPPREFCLK
t
PWREFCLK
REFCLK, SS_CLKIN Peak-to-Peak Period Jitter
All
40-250 (MHz)
-0.005
0.005
UIPP
REFCLK, SS_CLKIN Pulse Width, (80% to 80% or
20% to 20%).
All
1
ns
t
RFREFCLK
REFCLK, SS_CLKIN Rise/Fall Time. (20% to 80%
or 80% to 20%)
All
2
ns
Symbol
Description
Mode
Condition
Min.
Max.
Units
t
JPPSOUT
SOUT Peak-to-Peak Output Data Jitter
All
0.25
UIPP
t
JPP8B10B
SOUT Peak-to-Peak Random Jitter
8B10B
900 Mbps w/k28.7-
130
ps
SOUT Peak-to-Peak Deterministic Jitter
8B10B
900 Mbps w/k28.5+
110
ps
t
RFSOUT
SOUT Output Data Rise/Fall Time (20%,
80%)
LVDS
700
ps
BLVDS
900
ps
t
COSOUT
REFCLK to SOUT Delay
SS/8B10B
2Bt
2
+ 2
1Bt
2
+ 2
2Bt
2
+ 10
1Bt
2
+ 10
ns
10B12B
ns
t
SKTX
Skew of SOUT with Respect to
SS_CLKOUT
SS
250
ps
t
CKOSOUT
t
HSITXDDATAS
t
HSITXDDATAH
TXD Data Hold Time
1. The SIN and SOUT jitter speci
fi
cations listed above are under the condition that the clock tree that drives the REFCLK to sysHSI Block is in
sysCLOCK PLL BYPASS mode.
2. Bt = bit time period. High speed serial bit time.
3. Internal timing for reference only.
SS_CLKOUT to bit0 of SOUT
SS
2Bt
2
+ t
SKTX
2Bt
2
+ t
SKTX
1.5
ns
TXD Data Setup Time
All
Note 3
ns
All
Note 3
1.0
ns
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