參數(shù)資料
型號： EP20K400E
廠商： Altera Corporation
英文描述： Programmable Logic Device Family
中文描述： 可編程邏輯器件系列
文件頁數(shù)： 52/117頁
文件大小： 570K
代理商： EP20K400E
52
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Notes to
Table 16
:
(1)
To implement the ClockLock and ClockBoost circuitry with the Quartus II software, designers must specify the
input frequency. The Quartus II software tunes the PLL in the ClockLock and ClockBoost circuitry to this frequency.
The
f
CLKDEV
parameter specifies how much the incoming clock can differ from the specified frequency during
device operation. Simulation does not reflect this parameter.
(2)
Twenty-five thousand parts per million (PPM) equates to 2.5
%
of input clock period.
(3)
During device configuration, the ClockLock and ClockBoost circuitry is configured before the rest of the device. If
the incoming clock is supplied during configuration, the ClockLock and ClockBoost circuitry locks during
configuration because the
t
LOCK
value is less than the time required for configuration.
(4)
The
t
JITTER
specification is measured under long-term observation.
Tables 17
and
18
summarize the ClockLock and ClockBoost parameters
for APEX 20KE devices.
Table 17. APEX 20KE ClockLock & ClockBoost Parameters
Note (1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t
R
t
F
t
INDUTY
t
INJITTER
Input rise time
5
ns
Input fall time
5
ns
Input duty cycle
40
60
%
Input jitter peak-to-peak
2
%
of input
period
0.35
%
of
output period
peak-to-
peak
t
OUTJITTER
Jitter on ClockLock or ClockBoost-
generated clock
RMS
t
OUTDUTY
Duty cycle for ClockLock or
ClockBoost-generated clock
45
55
%
t
LOCK
(2)
,
(3)
Time required for ClockLock or
ClockBoost to acquire lock
40
μs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP20K400EBC652-1 功能描述:FPGA - 現(xiàn)場可編程門陣列 CPLD - APEX 20K 1664 Macros 488 IO 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
EP20K400EBC652-1ES 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FPGA
EP20K400EBC652-1N 功能描述:FPGA - 現(xiàn)場可編程門陣列 CPLD - APEX 20K 1664 Macros 488 IO 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
EP20K400EBC652-1X 功能描述:FPGA - 現(xiàn)場可編程門陣列 CPLD - APEX 20K 1664 Macros 488 IO 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
EP20K400EBC652-2 功能描述:FPGA - 現(xiàn)場可編程門陣列 CPLD - APEX 20K 1664 Macros 488 IO 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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