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參數(shù)資料
| 型號： | DK-DEV-4CGX150N |
| 廠商： | Altera |
| 文件頁數(shù)： | 2/42頁 |
| 文件大小： | 0K |
| 描述： | KIT DEVELOPMENT CYCLONE IV GX |
| 應(yīng)用說明： | Cyclone IV Design Guidelines |
| 產(chǎn)品培訓(xùn)模塊： | Three Reasons to Use FPGA's in Industrial Designs Cyclone IV FPGA Family Overview |
| 軟件下載： | DK-DEV-4CGX150N Kit Install |
| 特色產(chǎn)品： | Cyclone? IV GX FPGA Development Kit |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | CYCLONE® IV GX |
| 類型： | FPGA |
| 適用于相關(guān)產(chǎn)品： | Cyclone IV GX |
| 所含物品： | 板，線纜，文檔，電源 |
| 其它名稱： | 544-2713 |
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1–10
Chapter 1: Cyclone IV Device Datasheet
Operating Conditions
December 2013
Altera Corporation
Example 1–1 shows how to calculate the change of 50-I/O impedance from 25°C at
3.0 V to 85°C at 3.15 V.
Pin Capacitance
Table 1–11 lists the pin capacitance for Cyclone IV devices.
Example 1–1. Impedance Change
R
V = (3.15 – 3) × 1000 × –0.026 = –3.83
R
T = (85 – 25) × 0.262 = 15.72
Because
R
V is negative,
MFV = 1 / (3.83/100 + 1) = 0.963
Because
R
T is positive,
MFT = 15.72/100 + 1 = 1.157
MF = 0.963 × 1.157 = 1.114
Rfinal = 50 × 1.114 = 55.71
Table 1–11. Pin Capacitance for Cyclone IV Devices (1)
Symbol
Parameter
Typical –
Quad Flat
Pack
(QFP)
Typical –
Quad Flat
No Leads
(QFN)
Typical –
Ball-Grid
Array
(BGA)
Unit
CIOTB
Input capacitance on top and bottom I/O pins
7
6
pF
CIOLR
Input capacitance on right I/O pins
7
5
pF
CLVDSLR
Input capacitance on right I/O pins with dedicated LVDS output
8
7
pF
CVREFLR
Input capacitance on right dual
-purpose VREF pin when used as
VREF or user I/O pin
21
pF
CVREFTB
Input capacitance on top and bottom dual
-purpose VREF pin when
used as VREF or user I/O pin
23 (3)
23
pF
CCLKTB
Input capacitance on top and bottom dedicated clock input pins
7
6
pF
CCLKLR
Input capacitance on right dedicated clock input pins
6
5
pF
Notes to Table 1–11:
(1) The pin capacitance applies to FBGA, UBGA, and MBGA packages.
(2) When you use the VREF pin as a regular input or output, you can expect a reduced performance of toggle rate and tCO because of higher pin
capacitance.
(3) CVREFTB for the EP4CE22 device is 30 pF.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DK-DEV-4CGX150N | 制造商:Altera Corporation 功能描述:KIT STARTER CYCLONE IV GX ((NS |
| DK-DEV-4S100G5N | 功能描述:可編程邏輯 IC 開發(fā)工具 FPGA Development Kit For EP4S100G5F RoHS:否 制造商:Altera Corporation 產(chǎn)品:Development Kits 類型:FPGA 工具用于評估:5CEFA7F3 接口類型: 工作電源電壓: |
| DK-DEV-4SE530N | 功能描述:可編程邏輯 IC 開發(fā)工具 FPGA Development Kit For EP4SE530H35 RoHS:否 制造商:Altera Corporation 產(chǎn)品:Development Kits 類型:FPGA 工具用于評估:5CEFA7F3 接口類型: 工作電源電壓: |
| DK-DEV-4SGX230N | 功能描述:可編程邏輯 IC 開發(fā)工具 FPGA Development Kit For EP4SGX230KF40C2N RoHS:否 制造商:Altera Corporation 產(chǎn)品:Development Kits 類型:FPGA 工具用于評估:5CEFA7F3 接口類型: 工作電源電壓: |
| DK-DEV-4SGX230N/C2 | 功能描述:EP4SGX230KF40C2N Stratix? IV GX FPGA Evaluation Board 制造商:altera 系列:Stratix? IV GX 零件狀態(tài):過期 類型:FPGA 配套使用產(chǎn)品/相關(guān)產(chǎn)品:EP4SGX230KF40C2N 內(nèi)容:板，線纜，電源 標(biāo)準(zhǔn)包裝:1 |
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