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| 型号： | A42MX09-VQ100 |
| 元件分类： | FPGA |
| 英文描述： | FPGA, 336 CLBS, 14000 GATES, 117 MHz, PQFP100 |
| 封装： | 1 MM HEIGHT, PLASTIC, VQFP-100 |
| 文件页数： | 31/124页 |
| 文件大小： | 3142K |
| 代理商： | A42MX09-VQ100 |
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40MX and 42MX FPGA Families
1- 8
v6.1
Power Dissipation
The general power consumption of MX devices is made
up of static and dynamic power and can be expressed
with the following equation:
General Power Equation
P = [ICCstandby + ICCactive] * VCCI + IOL* VOL* N
+ IOH * (VCCI – VOH) * M
where:
ICCstandby is the current flowing when no inputs or
outputs are changing.
ICCactive is the current flowing due to CMOS
switching.
IOL, IOH are TTL sink/source currents.
VOL, VOH are TTL level output voltages.
N equals the number of outputs driving TTL loads to
VOL.
M equals the number of outputs driving TTL loads to
VOH.
Accurate values for N and M are difficult to determine
because they depend on the family type, on design
details, and on the system I/O. The power can be divided
into two components: static and active.
Static Power Component
The static power due to standby current is typically a
small component of the overall power consumption.
Standby power is calculated for commercial, worst-case
conditions. The static power dissipation by TTL loads
depends on the number of outputs driving, and on the
DC load current. For instance, a 32-bit bus sinking 4mA at
0.33V will generate 42mW with all outputs driving LOW,
and 140mW with all outputs driving HIGH. The actual
dissipation will average somewhere in between, as I/Os
switch states with time.
Active Power Component
Power dissipation in CMOS devices is usually dominated
by the dynamic power dissipation. Dynamic power
consumption is frequency-dependent and is a function of
the logic and the external I/O. Active power dissipation
results from charging internal chip capacitances of the
interconnect, unprogrammed antifuses, module inputs,
and module outputs, plus external capacitances due to
PC board traces and load device inputs. An additional
component of the active power dissipation is the totem
pole current in the CMOS transistor pairs. The net effect
can be associated with an equivalent capacitance that
can be combined with frequency and voltage to
represent active power dissipation.
The power dissipated by a CMOS circuit can be expressed
by the equation:
Power (W) = CEQ * VCCA
2 * F(1)
where:
CEQ =Equivalent capacitance expressed in picofarads (pF)
VCCA =Power supply in volts (V)
F =Switching frequency in megahertz (MHz)
Equivalent Capacitance
Equivalent capacitance is calculated by measuring
ICCactive at a specified frequency and voltage for each
circuit component of interest. Measurements have been
made over a range of frequencies at a fixed value of VCC.
Equivalent capacitance is frequency-independent, so the
results can be used over a wide range of operating
conditions. Equivalent capacitance values are shown
below.
CEQ Values for Actel MX FPGAs
Modules (CEQM)3.5
Input Buffers (CEQI)6.9
Output Buffers (CEQO)18.2
Routed Array Clock Buffer Loads (CEQCR)1.4
To calculate the active power dissipated from the
complete design, the switching frequency of each part of
the logic must be known. The equation below shows a
piece-wise linear summation over all components.
Power = VCCA
2 * [(m x C
EQM * fm)Modules +
(n *
CEQI * fn)Inputs + (p * (CEQO + CL) *
fp)outputs +
0.5 * (q1 * CEQCR * fq1)routed_Clk1 + (r1 *
fq1)routed_Clk1 +
0.5 * (q2 * CEQCR * fq2)routed_Clk2 + (r2 *
fq2)routed_Clk2 (2)
where:
m
= Number
of
logic
modules
switching
at
frequency fm
n
= Number
of
input
buffers
switching
at
frequency fn
p
= Number
of
output
buffers
switching
at
frequency fp
q1
= Number of clock loads on the first routed array
clock
q2
= Number of clock loads on the second routed
array clock
r1
= Fixed capacitance due to first routed array
clock
r2
= Fixed capacitance due to second routed array
clock
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A42MX09-VQ100A | 功能描述:IC FPGA MX SGL CHIP 14K 100-VQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - FPGA（现场可编程门阵列） 系列:MX 标准包装:90 系列:ProASIC3 LAB/CLB数:- 逻辑元件/单元数:- RAM 位总计:36864 输入/输出数:157 门数:250000 电源电压:1.425 V ~ 1.575 V 安装类型:表面贴装 工作温度:-40°C ~ 125°C 封装/外壳:256-LBGA 供应商设备封装:256-FPBGA（17x17） |
| A42MX09-VQ100I | 功能描述:IC FPGA MX SGL CHIP 14K 100-VQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - FPGA（现场可编程门阵列） 系列:MX 标准包装:90 系列:ProASIC3 LAB/CLB数:- 逻辑元件/单元数:- RAM 位总计:36864 输入/输出数:157 门数:250000 电源电压:1.425 V ~ 1.575 V 安装类型:表面贴装 工作温度:-40°C ~ 125°C 封装/外壳:256-LBGA 供应商设备封装:256-FPBGA（17x17） |
| A42MX09-VQ100M | 制造商:Microsemi Corporation 功能描述:FPGA 42MX Family 14K Gates 336 Cells 129MHz/215MHz 0.45um Technology 3.3V/5V 100-Pin VQFP 制造商:Microsemi Corporation 功能描述:FPGA 14K GATES 336 CELLS 129MHZ/215MHZ 0.45UM 3.3V/5V 100VQF - Trays 制造商:Microsemi Corporation 功能描述:IC FPGA MX SGL CHIP 14K 100-VQFP 制造商:Microsemi Corporation 功能描述:IC FPGA 83 I/O 100VQFP |
| A42MX09-VQ208A | 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:40MX and 42MX Automotive FPGA Families |
| A42MX09-VQG100 | 功能描述:IC FPGA 104I/O 100VQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - FPGA（现场可编程门阵列） 系列:MX 标准包装:24 系列:ECP2 LAB/CLB数:1500 逻辑元件/单元数:12000 RAM 位总计:226304 输入/输出数:131 门数:- 电源电压:1.14 V ~ 1.26 V 安装类型:表面贴装 工作温度:0°C ~ 85°C 封装/外壳:208-BFQFP 供应商设备封装:208-PQFP（28x28） |
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