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| 型号： | DK-DEV-4CGX150N |
| 厂商： | Altera |
| 文件页数： | 40/42页 |
| 文件大小： | 0K |
| 描述： | KIT DEVELOPMENT CYCLONE IV GX |
| 应用说明： | Cyclone IV Design Guidelines |
| 产品培训模块： | Three Reasons to Use FPGA's in Industrial Designs Cyclone IV FPGA Family Overview |
| 软件下载： | DK-DEV-4CGX150N Kit Install |
| 特色产品： | Cyclone? IV GX FPGA Development Kit |
| 标准包装： | 1 |
| 系列： | CYCLONE® IV GX |
| 类型： | FPGA |
| 适用于相关产品： | Cyclone IV GX |
| 所含物品： | 板，线缆，文档，电源 |
| 其它名称： | 544-2713 |
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Chapter 1: Cyclone IV Device Datasheet
1–7
Operating Conditions
December 2013
Altera Corporation
DC Characteristics
This section lists the I/O leakage current, pin capacitance, on-chip termination (OCT)
tolerance, and bus hold specifications for Cyclone IV devices.
Supply Current
The device supply current requirement is the minimum current drawn from the
power supply pins that can be used as a reference for power size planning. Use the
Excel-based early power estimator (EPE) to get the supply current estimates for your
design because these currents vary greatly with the resources used. Table 1–6 lists the
I/O pin leakage current for Cyclone IV devices.
Bus Hold
The bus hold retains the last valid logic state after the source driving it either enters
the high impedance state or is removed. Each I/O pin has an option to enable bus
hold in user mode. Bus hold is always disabled in configuration mode.
Table 1–7 lists bus hold specifications for Cyclone IV devices.
Symbol
Parameter
Conditions
Device
Min
Typ
Max
Unit
II
Input pin leakage current
VI = 0 V to VCCIOMAX
—
–10
—
10
A
IOZ
Tristated I/O pin leakage
current
VO = 0 V to VCCIOMAX
—
–10
—
10
A
Notes to Table 1–6:
(1) This value is specified for normal device operation. The value varies during device power
-up. This applies for all VCCIO settings (3.3, 3.0, 2.5,
1.8, 1.5, and 1.2 V).
(2) The 10
A I/O leakage current limit is applicable when the internal clamping diode is off. A higher current can be observed when the diode is on.
Table 1–7. Bus Hold Parameter for Cyclone IV Devices (Part 1 of 2) (1)
Parameter
Condition
VCCIO (V)
Unit
1.2
1.5
1.8
2.5
3.0
3.3
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Bus hold
low,
sustaining
current
VIN > VIL
(maximum)
8
—
12
—
30—50—70
—
70
—
A
Bus hold
high,
sustaining
current
VIN < VIL
(minimum)
–8
—
–12
—
–30
—
–50
—
–70
—
–70
—
A
Bus hold
low,
overdrive
current
0 V < VIN < VCCIO
—
125
—
175
—
200
—
300
—
500
—
500
A
Bus hold
high,
overdrive
current
0 V < VIN < VCCIO
—
–125
—
–175
—
–200
—
–300
—
–500
—
–500
A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DK-DEV-4CGX150N | 制造商:Altera Corporation 功能描述:KIT STARTER CYCLONE IV GX ((NS |
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