參數資料
型號： EP2C20F256I6N
廠商： ALTERA CORP
元件分類： FPGA
英文描述： FPGA, 1196 CLBS, PBGA256
封裝： LEAD FREE, FBGA-256
文件頁數： 52/168頁
文件大?。?/td> 2206K
代理商： EP2C20F256I6N
Altera Corporation
5–55
February 2008
Cyclone II Device Handbook, Volume 1
DC Characteristics and Timing Specifications
High Speed I/O Timing Specifications
The timing analysis for LVDS, mini-LVDS, and RSDS is different
compared to other I/O standards because the data communication is
source-synchronous.
You should also consider board skew, cable skew, and clock jitter in your
calculation. This section provides details on the timing parameters for
high-speed I/O standards in Cyclone II devices.
Table 5–47 defines the parameters of the timing diagram shown in
SSTL_2_CLASS_I
OCT_50
_OHMS
67
69
70
25
42
60
25
42
60
SSTL_18_CLASS_I
OCT_50
_OHMS
30
33
36
47
49
51
47
49
51
Table 5–46. Maximum Output Clock Toggle Rate Derating Factors (Part 4 of 4)
I/O Standard
Drive
Strength
Maximum Output Clock Toggle Rate Derating Factors (ps/pF)
Column I/O Pins
Row I/O Pins
Dedicated Clock
Outputs
–6
Speed
Grade
–7
Speed
Grade
–8
Speed
Grade
–6
Speed
Grade
–7
Speed
Grade
–8
Speed
Grade
–6
Speed
Grade
–7
Speed
Grade
–8
Speed
Grade
Table 5–47. High-Speed I/O Timing Definitions (Part 1 of 2)
Parameter
Symbol
Description
High-speed clock
fHSCKLK
High-speed receiver and transmitter input and output clock frequency.
Duty cycle
tDUTY
Duty cycle on high-speed transmitter output clock.
High-speed I/O data rate
HSIODR
High-speed receiver and transmitter input and output data rate.
Time unit interval
TUI
TUI = 1/HSIODR.
Channel-to-channel skew
TCCS
The timing difference between the fastest and slowest output edges,
including tCO variation and clock skew. The clock is included in the
TCCS measurement.
TCCS = TUI – SW – (2 × RSKM)
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相關代理商/技術參數
參數描述
EP2C20F256I8 功能描述:FPGA - 現場可編程門陣列 FPGA - Cyclone II 1172 LABs 152 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數量: 邏輯塊數量:943 內嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數量: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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256
EP2C20F256I8GA 制造商:Altera Corporation 功能描述:
EP2C20F256I8N 功能描述:FPGA - 現場可編程門陣列 FPGA - Cyclone II 1172 LABs 152 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數量: 邏輯塊數量:943 內嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數量: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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256
EP2C20F484C6 功能描述:FPGA - 現場可編程門陣列 FPGA - Cyclone II 1172 LABs 315 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數量: 邏輯塊數量:943 內嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數量: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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256
EP2C20F484C6N 功能描述:FPGA - 現場可編程門陣列 FPGA - Cyclone II 1172 LABs 315 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數量: 邏輯塊數量:943 內嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數量: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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256
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