参数资料
型号: XC6SLX45T-2FG484I
厂商: Xilinx Inc
文件页数: 59/89页
文件大小: 0K
描述: IC FPGA SPARTAN 6 484FGGBGA
标准包装: 60
系列: Spartan® 6 LXT
LAB/CLB数: 3411
逻辑元件/单元数: 43661
RAM 位总计: 2138112
输入/输出数: 296
电源电压: 1.14 V ~ 1.26 V
安装类型: 表面贴装
工作温度: -40°C ~ 100°C
封装/外壳: 484-BBGA
供应商设备封装: 484-FBGA
Spartan-6 FPGA Data Sheet: DC and Switching Characteristics
DS162 (v3.0) October 17, 2011
Product Specification
62
Table 57: Switching Characteristics for the Digital Frequency Synthesizer DFS (DCM_CLKGEN)(1)
Symbol
Description
Speed Grade
Units
-3
-3N
-2
-1L
Min
Max
Min
Max
Min
Max
Min
Max
Output Frequency Ranges (DCM_CLKGEN)
CLKOUT_FREQ_FX
Frequency for the CLKFX and
CLKFX180 outputs
5
3755375
5333
5
200
MHz
CLKOUT_FREQ_FXDV
Frequency for the CLKFXDV
output
0.15625
187.5 0.15625 187.5 0.15625 166.5 0.15625
100
MHz
Output Clock Jitter(2)(3)
CLKOUT_PER_JITT_FX
Period jitter at the CLKFX and
CLKFX180 outputs.
Typical = ±[0.2% of CLKFX period + 100]
ps
CLKOUT_PER_JITT_FXDV Period jitter at the CLKFXDV
output.
Typical = ±[0.2% of CLKFX period + 100]
ps
CLKFX_FREEZE_VAR
CLKFX period change in free
running oscillator mode at the
same temperature.
FCLKFX > 50 MHz
Maximum = ±3% of CLKFX period
ps
CLKFX period change in free
running oscillator mode at the
same temperature.
FCLKFX < 50 MHz
Maximum = ±5% of CLKFX period
ps
CLKFX_FREEZE_TEMP
_SLOPE
CLKFX period will change in
free_oscillator mode over
temperature. Add to
CLKFX_FREEZE_VAR to
determine total CLKFX period
change. Percentage change for
CLKFX period over 1°C.
Maximum = 0.1
%/°C
Duty Cycle(4)(5)
CLKOUT_DUTY_CYCLE_
FX
Duty cycle precision for the
CLKFX and CLKFX180 outputs,
including the BUFGMUX and
clock tree duty-cycle distortion
Maximum = ±[1% of CLKFX period + 350]
ps
CLKOUT_DUTY_CYCLE_
FXDV
Duty cycle precision for the
CLKFXDV outputs, including the
BUFGMUX and clock tree
duty-cycle distortion
Maximum = ±[1% of CLKFX period + 350]
ps
Lock Time
LOCK_FX(2)
The time from deassertion at the
DCM’s Reset input to the rising
transition at its LOCKED output.
The DFS asserts LOCKED when
the CLKFX, CLKFX180, and
CLKFXDV signals are valid.
Lock time requires
CLKFX_DIVIDE < FIN/(0.50
MHz)
when: FCLKIN <50MHz
–50
50
–50–
50
ms
when: FCLKIN > 50 MHz
–5–5–5
–5
ms
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