参数资料
| 型号： | EP4CGX110DF31I7N |
| 厂商： | Altera |
| 文件页数： | 2/42页 |
| 文件大小： | 0K |
| 描述： | IC CYCLONE IV FPGA 110K 896FBGA |
| 产品培训模块： | Three Reasons to Use FPGA's in Industrial Designs Cyclone IV FPGA Family Overview |
| 特色产品： | Cyclone? IV FPGAs |
| 标准包装： | 27 |
| 系列： | CYCLONE® IV GX |
| LAB/CLB数： | 6839 |
| 逻辑元件/单元数： | 109424 |
| RAM 位总计： | 5621760 |
| 输入/输出数： | 475 |
| 电源电压： | 1.16 V ~ 1.24 V |
| 安装类型： | 表面贴装 |
| 工作温度： | -40°C ~ 100°C |
| 封装/外壳： | 896-BBGA |
| 供应商设备封装： | 896-FBGA（31x31） |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| EP4CGX110F17C8 | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:Cyclone IV Device Datasheet |
| EP4CGX110F23C8N | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:Cyclone IV FPGA Device Faily Overview |
| EP4CGX110F23I7N | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:Cyclone IV Device Datasheet |
| EP4CGX15 | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:Cyclone IV FPGA Device Family Overview |
| EP4CGX150 | 制造商:ALTERA 制造商全称:Altera Corporation 功能描述:Cyclone IV FPGA Device Family Overview |
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