Notes to tables: (1) All timing parameters are described i" />

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參數(shù)資料
型號: EPF10K20TI144-4N
廠商: Altera
文件頁數(shù): 23/128頁
文件大小: 0K
描述: IC FLEX 10K FPGA 20K 144-TQFP
產(chǎn)品培訓(xùn)模塊: Three Reasons to Use FPGA's in Industrial Designs
標(biāo)準(zhǔn)包裝: 60
系列: FLEX-10K®
LAB/CLB數(shù): 144
邏輯元件/單元數(shù): 1152
RAM 位總計: 12288
輸入/輸出數(shù): 102
門數(shù): 63000
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
工作溫度: -40°C ~ 100°C
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-TQFP(20x20)
其它名稱: 544-2221
Altera Corporation
119
FLEX 10K Embedded Programmable Logic Device Family Data Sheet
Notes to tables:
(1)
All timing parameters are described in Tables 32 through 37 in this data sheet.
(2)
Using an LE to register the signal may provide a lower setup time.
(3)
This parameter is specified by characterization.
ClockLock &
ClockBoost
Timing
Parameters
For the ClockLock and ClockBoost circuitry to function properly, the
incoming clock must meet certain requirements. If these specifications are
not met, the circuitry may not lock onto the incoming clock, which
generates an erroneous clock within the device. The clock generated by
the ClockLock and ClockBoost circuitry must also meet certain
specifications. If the incoming clock meets these requirements during
configuration, the ClockLock and ClockBoost circuitry will lock onto the
clock during configuration. The circuit will be ready for use immediately
after configuration. Figure 31 illustrates the incoming and generated clock
specifications.
Figure 31. Specifications for the Incoming & Generated Clocks
The tI parameter refers to the nominal input clock period; the tO parameter refers to the
nominal output clock period.
Table 113 summarizes the ClockLock and ClockBoost parameters.
tR
tF
tCLK1
tINDUTY
tI ± fCLKDEV
tI
tI ± tINCLKSTB
tOUTDUTY
tO
tO + tJITTER
tO – tJITTER
Input
Clock
ClockLock-
Generated
Clock
Table 113. ClockLock & ClockBoost Parameters
(Part 1 of 2)
Symbol
Parameter
Min
Typ
Max
Unit
tR
Input rise time
2ns
tF
Input fall time
2ns
tINDUTY
Input duty cycle
45
55
%
fCLK1
Input clock frequency (ClockBoost clock multiplication factor equals 1)
30
80
MHz
tCLK1
Input clock period (ClockBoost clock multiplication factor equals 1)
12.5
33.3
ns
fCLK2
Input clock frequency (ClockBoost clock multiplication factor equals 2)
16
50
MHz
tCLK2
Input clock period (ClockBoost clock multiplication factor equals 2)
20
62.5
ns
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