参数资料
型号: EP4SGX70DF29I4N
厂商: Altera
文件页数: 4/82页
文件大小: 0K
描述: IC STRATIX IV FPGA 70K 780FBGA
产品培训模块: Three Reasons to Use FPGA's in Industrial Designs
标准包装: 3
系列: Stratix® IV GX
LAB/CLB数: 2904
逻辑元件/单元数: 72600
RAM 位总计: 7564880
输入/输出数: 372
电源电压: 0.87 V ~ 0.93 V
安装类型: 表面贴装
工作温度: -40°C ~ 100°C
封装/外壳: 780-BBGA
供应商设备封装: 780-FBGA(29x29)
Chapter 1: DC and Switching Characteristics for Stratix IV Devices
1–4
Electrical Characteristics
March 2014
Altera Corporation
Stratix IV Device Handbook
Volume 4: Device Datasheet and Addendum
Maximum Allowed Overshoot and Undershoot Voltage
During transitions, input signals may overshoot to the voltage shown in Table 1–4 and
undershoot to –2.0 V for input currents less than 100 mA and periods shorter than
20 ns.
Table 1–4 lists the maximum allowed input overshoot voltage and the duration of the
overshoot voltage as a percentage of device lifetime. The maximum allowed
overshoot duration is specified as a percentage of high time over the lifetime of the
device. A DC signal is equivalent to 100% duty cycle. For example, a signal that
overshoots to 4.3 V can only be at 4.3 V for ~5% over the lifetime of the device; for a
device lifetime of 10 years, this amounts to half of a year.
Temperature Overshoot Above Maximum Allowed Temperature
The maximum allowed operating temperature for Stratix IV industrial grade devices
is 100 °C. It is recommended that the operating temperature of the device is
maintained below 100 °C at all times. The temperature excursions over 100 °C due to
internal heating of the device should not exceed the number of cycles as specified in
the Table 1–5. Exceeding the recommended number of cycles may cause solder
interconnect failures. Altera recommends using the StratixIV military grade devices
if the application requires operating temperatures over 100 °C.
Table 1–4. Maximum Allowed Overshoot During Transitions
Symbol
Description
Condition (V)
Overshoot Duration as
% of High Time
Unit
Vi (AC)
AC input voltage
4.0
100.000
%
4.05
79.330
%
4.1
46.270
%
4.15
27.030
%
4.2
15.800
%
4.25
9.240
%
4.3
5.410
%
4.35
3.160
%
4.4
1.850
%
4.45
1.080
%
4.5
0.630
%
4.55
0.370
%
4.6
0.220
%
Table 1–5. Temperature Overshoot Above Maximum Allowed Temperature
Description
Operating Temperature (°C)
Number of Cycles Over 100 °C
Device operating
temperature (°C)
100
3200
105
768
110
640
115
480
120
320
125
160
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