参数资料
型号: AGLN250V2-CSG81I
厂商: Microsemi SoC
文件页数: 66/150页
文件大小: 0K
描述: IC FPGA NANO 1KB 250K 81-CSP
标准包装: 640
系列: IGLOO nano
逻辑元件/单元数: 6144
RAM 位总计: 36864
输入/输出数: 60
门数: 250000
电源电压: 1.14 V ~ 1.575 V
安装类型: 表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 81-WFBGA,CSBGA
供应商设备封装: 81-CSP(5x5)
IGLOO nano DC and Switching Characteristics
2-6
Revision 17
Thermal Characteristics
Introduction
The temperature variable in the Microsemi Designer software refers to the junction temperature, not the
ambient temperature. This is an important distinction because dynamic and static power consumption
cause the chip junction temperature to be higher than the ambient temperature.
EQ 1 can be used to calculate junction temperature.
TJ = Junction Temperature = T + TA
EQ 1
where:
TA = Ambient temperature
T = Temperature gradient between junction (silicon) and ambient T = ja * P
ja = Junction-to-ambient of the package. ja numbers are located in Figure 2-5.
P = Power dissipation
Package Thermal Characteristics
The device junction-to-case thermal resistivity is
jc and the junction-to-ambient air thermal resistivity is
ja. The thermal characteristics for ja are shown for two air flow rates. The maximum operating junction
temperature is 100°C. EQ 2 shows a sample calculation of the maximum operating power dissipation
allowed for a 484-pin FBGA package at commercial temperature and in still air.
EQ 2
Temperature and Voltage Derating Factors
Maximum Power Allowed
Max. junction temp. (
C) Max. ambient temp. (C)
ja(C/W)
------------------------------------------------------------------------------------------------------------------------------------------
100
C70C
20.5°C/W
-------------------------------------
1.46 W
=
Table 2-5
Package Thermal Resistivities
Package Type
Pin
Count
jc
ja
Units
Still Air
200 ft./
min.
500 ft./
min.
Chip Scale Package (CSP)
36
TBD
C/W
81
TBD
C/W
Quad Flat No Lead (QFN)
48
TBD
C/W
68
TBD
C/W
100
TBD
C/W
Very Thin Quad Flat Pack (VQFP)
100
10.0
35.3
29.4
27.1
C/W
Table 2-6
Temperature and Voltage Derating Factors for Timing Delays (normalized to TJ = 70°C,
VCC = 1.425 V)
For IGLOO nano V2 or V5 Devices, 1.5 V DC Core Supply Voltage
Array Voltage
VCC (V)
Junction Temperature (°C)
–40°C
–20°C
0°C
25°C
70°C
85°C
100°C
1.425
0.947
0.956
0.965
0.978
1.000
1.009
1.013
1.5
0.875
0.883
0.892
0.904
0.925
0.932
0.937
1.575
0.821
0.829
0.837
0.848
0.868
0.875
0.879
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