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| 型号： | A40MX04-PLG44A |
| 元件分类： | FPGA |
| 英文描述： | FPGA, 6000 GATES, PQCC44 |
| 封装： | PLASTIC, LCC-44 |
| 文件页数： | 9/76页 |
| 文件大小： | 429K |
| 代理商： | A40MX04-PLG44A |
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MX Automotive Family FPGAs
v2.0
1-11
Active Power Component
Power dissipation in CMOS devices is usually dominated
by
the
active
(dynamic)
power
dissipation.
This
component is frequency-dependent and 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 capacitance 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.
Equivalent Capacitance
The power dissipated by a CMOS circuit can be expressed
by the equation:
Power (W) = CEQ * VCCA
2 * F
EQ 1-1
where:
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
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
EQ 1-2
where:
CEQ
=
Equivalent
capacitance
expressed
in
picofarads (pF)
VCCA
=
Power supply in volts (V)
F
=
Switching frequency in megahertz (MHz)
Modules (CEQM)
3.5
Input Buffers (CEQI)6.9
Output Buffers (CEQO)
18.2
Routed Array Clock Buffer Loads (CEQCR)1.4
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
CEQM
=
Equivalent capacitance of logic modules in pF
CEQI
=
Equivalent capacitance of input buffers in pF
CEQO
=
Equivalent capacitance of output buffers in pF
CEQCR = Equivalent capacitance of routed array clock in pF
CL
=
Output load capacitance in p
fm
=
Average logic module switching rate in MHz
fn
=
Average input buffer switching rate in MHz
fp
=
Average output buffer switching rate in MHz
fq1
=
Average first routed array clock rate in MHz
fq2
=
Average second routed array clock rate in MHz
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A40MX04-PLG44I | 功能描述:IC FPGA MX SGL CHIP 6K 44-PLCC 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: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） |
| A40MX04-PLG44M | 制造商:Microsemi Corporation 功能描述:FPGA 6K GATES 547 CELLS 83MHZ/139MHZ 0.45UM 3.3V/5V 44PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:IC FPGA 34 I/O 44PLCC |
| A40MX04-PLG68 | 功能描述:IC FPGA 69I/O 68PLCC 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） |
| A40MX04-PLG68I | 功能描述:IC FPGA MX SGL CHIP 6K 68-PLCC 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: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） |
| A40MX04-PLG68M | 制造商:Microsemi Corporation 功能描述:FPGA 6K GATES 547 CELLS 83MHZ/139MHZ 0.45UM 3.3V/5V 68PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:IC FPGA 57 I/O 68PLCC 制造商:Microsemi Corporation 功能描述:IC FPGA MX SGL CHIP 6K 68-PLCC |
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