参数资料
型号: XC3S200A-4VQ100I
厂商: Xilinx Inc
文件页数: 80/132页
文件大小: 0K
描述: IC FPGA SPARTAN 3 100VQFP
标准包装: 90
系列: Spartan®-3A
LAB/CLB数: 448
逻辑元件/单元数: 4032
RAM 位总计: 294912
输入/输出数: 68
门数: 200000
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: 100-TQFP
供应商设备封装: 100-VQFP(14x14)
DC and Switching Characteristics
DS529-3 (v2.0) August 19, 2010
51
Phase Shifter (PS)
Table 40: Recommended Operating Conditions for the PS in Variable Phase Mode
Symbol
Description
Speed Grade
Units
-5
-4
Min
Max
Min
Max
Operating Frequency Ranges
PSCLK_FREQ
(FPSCLK)
Frequency for the PSCLK input
1
167
1
167
MHz
Input Pulse Requirements
PSCLK_PULSE
PSCLK pulse width as a percentage of the PSCLK period
40%
60%
40%
60%
-
Table 41: Switching Characteristics for the PS in Variable Phase Mode
Symbol
Description
Phase Shift Amount
Units
Phase Shifting Range
MAX_STEPS(2)
Maximum allowed number of
DCM_DELAY_STEP steps for a
given CLKIN clock period, where
T = CLKIN clock period in ns. If using
CLKIN_DIVIDE_BY_2 = TRUE,
double the clock effective clock
period.
CLKIN < 60
MHz
±[INTEGER(10
(T
CLKIN – 3 ns))]
steps
CLKIN
60
MHz
±[INTEGER(15
(T
CLKIN – 3 ns))]
FINE_SHIFT_RANGE_MIN
Minimum guaranteed delay for variable phase shifting
±[MAX_STEPS
DCM_DELAY_STEP_MIN]
ns
FINE_SHIFT_RANGE_MAX
Maximum guaranteed delay for variable phase shifting
±[MAX_STEPS
DCM_DELAY_STEP_MAX]
ns
Notes:
1.
The numbers in this table are based on the operating conditions set forth in Table 8 and Table 40.
2.
The maximum variable phase shift range, MAX_STEPS, is only valid when the DCM is has no initial fixed phase shifting, that is, the
PHASE_SHIFT attribute is set to 0.
3.
The DCM_DELAY_STEP values are provided at the bottom of Table 37.
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