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器件3D模型￥ 72.479
EP1C4F400C8N 数据手册 - Altera（阿尔特拉）
制造商:
Altera（阿尔特拉）
分类:
FPGA芯片
封装:
FBGA-400
描述:
可编程逻辑器件(CPLD/FPGA) EP1C4F400C8N FBGA-400
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P162P314P317P377Hot
典型应用电路图在P25P27P29P31P255P273
原理图在P22P141P341
封装尺寸在P12P117P377P383P384
型号编码规则在P11P117
功能描述在P21P148P149P150P152P336P338P340
技术参数、封装参数在P85P86P87P88P89P90P94P113P114P142P224P225
应用领域在P102P203P228
电气规格在P225
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EP1C4F400C8N数据手册
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Altera Corporation 12–1
May 2008 Preliminary
12. Designing with
1.5-V Devices
Introduction
The Cyclone
®
FPGA family provides the best solution for high-volume,
cost-sensitive applications. A Cyclone device is fabricated on a
leading-edge 1.5-V, 0.13-µm, all-layer copper SRAM process.
Using a 1.5-V operating voltage provides the following advantages:
■ Lower power consumption compared to 2.5-V or 3.3-V devices.
■ Lower operating temperature.
■ Less need for fans and other temperature-control elements.
Since many existing designs are based on 5.0-V, 3.3-V and 2.5-V power
supplies, a voltage regulator may be required to lower the voltage supply
level to 1.5-V. This document provides guidelines for designing with
Cyclone devices in mixed-voltage and single-voltage systems and
provides examples using voltage regulators. This document also includes
information about:
■ “Power Sequencing and Hot Socketing” on page 12–1
■ “Using MultiVolt I/O Pins” on page 12–2
■ “Voltage Regulators” on page 12–3
■ “1.5-V Regulator Application Examples” on page 12–19
■ “Board Layout” on page 12–21
■ “Power Sequencing and Hot Socketing” on page 12–1
Power
Sequencing and
Hot Socketing
Because 1.5-V Cyclone FPGAs can be used in a mixed-voltage
environment, they have been designed specifically to tolerate any
possible power-up sequence. Therefore, the V
CCIO
and V
CCINT
power
supplies may be powered in any order.
You can drive signals into Cyclone FPGAs before and during power up
without damaging the device. In addition, Cyclone FPGAs do not drive
out during power up since they are tri-stated during power up. Once the
device reaches operating conditions and is configured, Cyclone FPGAs
operate as specified by the user.
f For more information, refer to the Cyclone FPGA Family Data Sheet
section of the Cyclone Device Handbook.
C51012-1.4
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