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| 型号： | CY39200V388-233NC |
| 厂商： | Cypress Semiconductor Corp. |
| 英文描述： | CPLDs at FPGA Densities |
| 中文描述： | CPLD器件在FPGA的密度 |
| 文件页数： | 12/86页 |
| 文件大小： | 1235K |
| 代理商： | CY39200V388-233NC |
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Delta39K ISR
CPLD Family
Document #: 38-03039 Rev. *H
Page 12 of 86
Table 6
describes the valid phase shift options that can be
used with or without an external feedback.
Table 7
is an example of the effect of all the available divide
and phase shift options on a VCO output of 250 MHz. It also
shows the effect of division on the duty cycle of the resultant
clock. Note that the duty cycle is 50-50 when a VCO output is
divided by an even number. Also note that the phase shift
applies to the VCO output and not to the divided output.
For more details on the architecture and operation of this PLL
please refer to the application note entitled
“Delta39K PLL and
Clock Tree”.
Table 4. Valid PLL Multiply and Divide Options—without External Feedback
Input Frequency
(GCLK[0])
f
PLLI
(MHz)
DC–12.5
100–133
50–133
33.3–88.7
25–66
20–53.2
16.6–44.3
12.5–33
12.5–16.625
Valid Multiply Options
VCO Output
Frequency (MHz)
N/A
1
100–133
2
100–266
3
100–266
4
100–266
5
100–266
6
100–266
8
100–266
16
200–266
Valid Divide Options
Output Frequency (INTCLK[3:0])
f
PLLO
(MHz)
DC–12.5
6.25–133
6.25–266
6.25–266
6.25–266
6.25–266
6.25–266
6.25–266
6.25–266
Value
Value
N/A
1–6, 8, 16
1–6, 8, 16
1–6, 8, 16
1–6, 8, 16
1–6, 8, 16
1–6, 8, 16
1–6, 8, 16
1–6, 8, 16
Off-chip Clock
Frequency
DC–6.25
3.125–66
3.125–133
3.1–266
3.125–133
3.1–133
3.1–133
3.125–133
3.125–133
N/A
Table 5. Valid PLL Multiply and Divide Options—With External Feedback
Input (GCLK) Frequency
f
PLLI
(MHz)
50–133
25–66.5
16.67–44.33
12.5–33.25
12.5–26.6
12.5–22.17
12.5–16.63
Valid Multiply Options
VCO Output
Frequency (MHz)
1
100–266
1
100–266
1
100–266
1
100–266
1
125–266
1
150–266
1
200–266
Valid Divide Options
Output (INTCLK) Frequency
f
PLLO
(MHz)
100–266
50–133
33.33–88.66
25–66.5
25–53.2
25–44.34
25–33.25
Value
Value
1
2
3
4
5
6
8
Off-chip Clock
Frequency
50–133
25–66.5
16.67–44.33
12.5–33.25
12.5–26.6
12.5–22.17
12.5–16.63
Table 6. Recommended PLL Phase Shift Options
Without External Feedback
With External Feedback
0°,45°, 90°, 135°, 180°, 225°, 270°, 315°
0°
Table 7. Timing of Clock Phases for all Divide Options for a V
CO
Output Frequency of 250 MHz
Divide
Factor
(ns)
Duty Cycle%
(ns)
(ns)
1
4
40–60
0
0.5
2
8
50
0
0.5
3
12
33–67
0
0.5
4
16
50
0
0.5
5
20
40–60
0
0.5
6
24
50
0
0.5
8
32
50
0
0.5
16
64
50
0
0.5
Period
0°
45°
90°
(ns)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
135°
(ns)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
180°
(ns)
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
225°
(ns)
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
270°
(ns)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
315°
(ns)
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CY39200V388-233NTC | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:CPLDs at FPGA Densities |
| CY39200V388-83MGC | 制造商:Cypress Semiconductor 功能描述: |
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| CY39200V484-125BBI | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:CPLDs at FPGA Densities |
| CY39200V484-125BBXC | 功能描述:CPLD - 复杂可编程逻辑器件 Delta39K 200K 125MHz COM RoHS:否 制造商:Lattice 系列: 存储类型:EEPROM 大电池数量:128 最大工作频率:333 MHz 延迟时间:2.7 ns 可编程输入/输出端数量:64 工作电源电压:3.3 V 最大工作温度:+ 90 C 最小工作温度:0 C 封装 / 箱体:TQFP-100 |
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