参数资料
型号: QL8150-7PT280C
厂商: QUICKLOGIC CORP
元件分类: FPGA
英文描述: FPGA, 640 CLBS, 188946 GATES, PBGA280
封装: 0.80 MM PITCH, LFBGA-280
文件页数: 67/96页
文件大小: 1607K
代理商: QL8150-7PT280C
2007 QuickLogic Corporation
Eclipse II Family Data Sheet Rev. Q
7
NOTE: Timing numbers in Table 5 represent -8 Worst Case Commercial conditions.
Phase Locked Loop (PLL) Information
Instead of requiring extra components, designers simply need to instantiate one of the pre-configured models
(described in this section). The QuickLogic built-in PLLs support a wider range of frequencies than many other
PLLs. These PLLs also have the ability to support different ranges of frequency multiplications or divisions,
driving the device at a faster or slower rate than the incoming clock frequency. When PLLs are cascaded, the
clock signal must be routed off-chip through the PLLPAD_OUT pin prior to routing into another PLL; internal
routing cannot be used for cascading PLLs.
Figure 6 illustrates a QuickLogic PLL.
Figure 6: PLL Block Diagram
Table 5: ECU Mode Select Criteria
Instruction
Operation
ECU Performancea
, -8 WCC
a. tPD, tSU and tCO do not include routing paths in/out of the ECU block.
S1
S2
S3
t
PD
t
SU
t
CO
0
Multiply
6.6 ns max
0
1
Multiply-Add
8.8 ns max
0
1
0
Accumulateb
b. Internal feedback path in ECU restricts max clk frequency to 238 MHz.
3.9 ns min
1.2 ns max
0
1
Add
3.1 ns max
1
0
Multiply (registered)c
c. B [15:0] set to zero.
9.6 ns min
1.2 ns max
1
0
1
Multiply- Add (registered)
9.6 ns min
1.2 ns max
1
0
Multiply - Accumulate
9.6 ns min
1.2 ns max
1
Add (registered)
3.9 ns min
1.2 ns max
vco
Filter
FIN
FOUT
+
-
1st Quadrant
2nd Quadrant
3rd Quadrant
4th Quadrant
Clock
Tree
Frequency Divide
Frequency Multiply
1
._.
2
._.
4
._.
4
._.
2
._.
1
.._
PLL Bypass
相关PDF资料
PDF描述
QL8150-7PT280I FPGA, 640 CLBS, 188946 GATES, PBGA280
QL8150-7PT280M FPGA, 640 CLBS, 188946 GATES, PBGA280
QL8150-7PTN280C FPGA, 640 CLBS, 188946 GATES, PBGA280
QL8150-7PTN280I FPGA, 640 CLBS, 188946 GATES, PBGA280
QL8150-7PTN280M FPGA, 640 CLBS, 188946 GATES, PBGA280
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