参数资料
型号: LFX125EB-05FN256C
厂商: Lattice Semiconductor Corporation
文件页数: 78/119页
文件大小: 0K
描述: IC FPGA 139K GATES 256-BGA
标准包装: 90
系列: ispXPGA®
逻辑元件/单元数: 1936
RAM 位总计: 94208
输入/输出数: 160
门数: 139000
电源电压: 2.3 V ~ 3.6 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 256-BGA
供应商设备封装: 256-FPBGA(17x17)
Lattice Semiconductor
ispXPGA Family Data Sheet
57
sysCLOCK PLL Timing
Over Recommended Operating Conditions
Symbol
Parameter
Conditions
Min
Max
Units
tPWH
Input clock, high time
80% to 80%
1.2
ns
tPWL
Input clock, low time
20% to 20%
1.2
ns
tR, tF
Input Clock, rise and fall time
20% to 80%
3.0
ns
tINSTB
Input clock stability, cycle to cycle (peak)
+/- 250
ps
fMDIVIN
M Divider input, frequency range
10
320
MHz
fMDIVOUT
M Divider output, frequency range
10
320
MHz
fNDIVIN
N Divider input, frequency range
10
320
MHz
fNDIVOUT
N Divider output, frequency range
10
320
MHz
fVDIVIN
V Divider input, frequency range
100
400
MHz
fVDIVOUT
V Divider output, frequency range
10
320
MHz
tOUTDUTY
output clock, duty cycle
40
60
%
tJIT(CC)
Output clock, cycle to cycle jitter (peak)
Clean reference
1
10MHz fMDIVOUT 40MHz or
100MHz f VDIVIN 160MHz
—+/- 600
ps
Clean reference
1
40MHz fMDIVOUT 320MHz and
160MHz fVDIVIN 400MHz
—+/- 150
ps
tJIT(PER)
2
Output clock, period jitter (peak)
Clean reference
1
10MHz fMDIVOUT 40MHz or
100MHz fVDIVIN 160MHz
—+/- 600
ps
Clean reference
1
40MHz fMDIVOUT 320MHz and
160MHz fVDIVIN 400MHz
—+/- 150
ps
tCLK_OUT_DELAY Input clock to CLK_OUT delay
Internal feedback
3.0
ns
tPHASE
Input clock to external feedback delta
External feedback
1.5
ns
tLOCK
Time to acquire phase lock after input stable
25
us
tPLL_DELAY
Delay increment (Lead/Lag)
Typical = +/- 250ps
+/- 120 +/- 550
ps
tRANGE
Total output delay range (lead/lag)
+/- 0.84 +/- 3.85
ns
tPLL_RSTW
Minimum reset pulse width
1.8
ns
tCLK_IN
3
Global clock input delay
1.0
ns
tPLL_SEC_DELAY Secondary PLL output delay
1.5
ns
1. This condition assures that the output phase jitter will remain within specifications. Jitter spec is based on optimized M, N and V settings
determined by the ispLEVER software.
2. Accumulated jitter measured over 10,000 waveform samples
3. Internal timing for reference only.
SELECT
DEVICES
DISCONTINUED
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