2-14 Revision 16 PLL Contribution—PPLL
參數(shù)資料
型號(hào)： AGLP030V2-VQ128
廠商： Microsemi SoC
文件頁數(shù)： 56/134頁
文件大?。?/td> 0K
描述： IC FPGA IGLOO PLUS 30K 128-VQFN
標(biāo)準(zhǔn)包裝： 90
系列： IGLOO PLUS
邏輯元件/單元數(shù)： 792
輸入/輸出數(shù)： 101
門數(shù)： 30000
電源電壓： 1.14 V ~ 1.575 V
安裝類型： 表面貼裝
工作溫度： 0°C ~ 70°C
封裝/外殼： 128-TQFP
供應(yīng)商設(shè)備封裝： 128-VTQFP（14x14）
IGLOO PLUS DC and Switching Characteristics
2-14
Revision 16
PLL Contribution—PPLL
PPLL = PDC4 + PAC13 *FCLKOUT
FCLKOUT is the output clock frequency.1
Guidelines
Toggle Rate Definition
A toggle rate defines the frequency of a net or logic element relative to a clock. It is a percentage. If the
toggle rate of a net is 100%, this means that this net switches at half the clock frequency. Below are
some examples:
The average toggle rate of a shift register is 100% because all flip-flop outputs toggle at half of the
clock frequency.
The average toggle rate of an 8-bit counter is 25%:
– Bit 0 (LSB) = 100%
– Bit 1
= 50%
– Bit 2
= 25%
–…
– Bit 7 (MSB) = 0.78125%
– Average toggle rate = (100% + 50% + 25% + 12.5% + . . . + 0.78125%) / 8
Enable Rate Definition
Output enable rate is the average percentage of time during which tristate outputs are enabled. When
nontristate output buffers are used, the enable rate should be 100%.
1. If a PLL is used to generate more than one output clock, include each output clock in the formula by adding its corresponding
contribution (PAC13* FCLKOUT product) to the total PLL contribution.
Table 2-19 Toggle Rate Guidelines Recommended for Power Calculation
Component
Definition
Guideline
1
Toggle rate of VersaTile outputs
10%
2
I/O buffer toggle rate
10%
Table 2-20 Enable Rate Guidelines Recommended for Power Calculation
Component
Definition
Guideline
1
I/O output buffer enable rate
100%
2
RAM enable rate for read operations
12.5%
3
RAM enable rate for write operations
12.5%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AGLP030V2-VQ128I 功能描述:IC FPGA IGLOO PLUS 30K 128-VQFN RoHS:否 類別:集成電路 (IC) >> 嵌入式 - FPGA（現(xiàn)場(chǎng)可編程門陣列） 系列:IGLOO PLUS 標(biāo)準(zhǔn)包裝:152 系列:IGLOO PLUS LAB/CLB數(shù):- 邏輯元件/單元數(shù):792 RAM 位總計(jì):- 輸入/輸出數(shù):120 門數(shù):30000 電源電壓:1.14 V ~ 1.575 V 安裝類型:表面貼裝 工作溫度:-40°C ~ 85°C 封裝/外殼:289-TFBGA，CSBGA 供應(yīng)商設(shè)備封裝:289-CSP（14x14）
AGLP030-V2VQ289 制造商:ACTEL 制造商全稱:Actel Corporation 功能描述:IGLOO PLUS Low-Power Flash FPGAs with FlashFreeze Technology
AGLP030-V2VQ289ES 制造商:ACTEL 制造商全稱:Actel Corporation 功能描述:IGLOO PLUS Low-Power Flash FPGAs with FlashFreeze Technology
AGLP030-V2VQ289I 制造商:ACTEL 制造商全稱:Actel Corporation 功能描述:IGLOO PLUS Low-Power Flash FPGAs with FlashFreeze Technology
AGLP030-V2VQ289PP 制造商:ACTEL 制造商全稱:Actel Corporation 功能描述:IGLOO PLUS Low-Power Flash FPGAs with FlashFreeze Technology
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