參數(shù)資料
型號： EP1C6Q240I6
廠商： Altera Corporation
英文描述： NO POLISH CONNECTOR KIT
中文描述： 氣旋FPGA系列
文件頁數(shù)： 51/94頁
文件大?。?/td> 1138K
代理商： EP1C6Q240I6
Altera Corporation
51
Preliminary Information
Cyclone FPGA Family Data Sheet
A path in which a pin directly drives a register may require a
programmable delay to ensure zero hold time, whereas a path in which a
pin drives a register through combinatorial logic may not require the
delay. Programmable delays decrease input-pin-to-logic-array and IOE
input register delays. The Quartus II Compiler can program these delays
to automatically minimize setup time while providing a zero hold time.
Programmable delays can increase the register-to-pin delays for output
registers.
Table 12
shows the programmable delays for Cyclone devices.
There are two paths in the IOE for a combinatorial input to reach the logic
array. Each of the two paths can have a different delay. This allows the
designer to adjust delays from the pin to internal LE registers that reside
in two different areas of the device. The designer sets the two
combinatorial input delays by selecting different delays for two different
paths under the
Decrease input delay to internal cells
logic option in the
Quartus II software. When the input signal requires two different delays
for the combinatorial input, the input register in the IOE is no longer
available.
The IOE registers in Cyclone devices share the same source for clear or
preset. The designer can program preset or clear for each individual IOE.
The designer can also program the registers to power up high or low after
configuration is complete. If programmed to power up low, an
asynchronous clear can control the registers. If programmed to power up
high, an asynchronous preset can control the registers. This feature
prevents the inadvertent activation of another device’s active-low input
upon power up. If one register in an IOE uses a preset or clear signal then
all registers in the IOE must use that same signal if they require preset or
clear. Additionally a synchronous reset signal is available to the designer
for the IOE registers.
External RAM Interfacing
Cyclone devices support DDR SDRAM and FCRAM interfaces at up to
133 MHz through dedicated circuitry.
Table 12. Cyclone Programmable Delay Chain
Programmable Delays
Quartus II Logic Option
Input pin to logic array delay
Input pin to input register delay
Output pin delay
Decrease input delay to internal cells
Decrease input delay to input registers
Increase delay to output pin
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP1C6Q240I7 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 185 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP1C6Q240I7N 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 185 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP1C6T144C6 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP1C6T144C6N 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP1C6T144C7 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
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