參數(shù)資料
型號(hào): 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(shù): 42/168頁
文件大?。?/td> 2206K
代理商: EP2C20F256I6N
5–46
Altera Corporation
Cyclone II Device Handbook, Volume 1
February 2008
Timing Specifications
Maximum Input and Output Clock Rate
Maximum clock toggle rate is defined as the maximum frequency
achievable for a clock type signal at an I/O pin. The I/O pin can be a
regular I/O pin or a dedicated clock I/O pin.
The maximum clock toggle rate is different from the maximum data bit
rate. If the maximum clock toggle rate on a regular I/O pin is 300 MHz,
the maximum data bit rate for dual data rate (DDR) could be potentially
as high as 600 Mbps on the same I/O pin.
Table 5–44 specifies the maximum input clock toggle rates. Table 5–45
specifies the maximum output clock toggle rates at default load.
Table 5–46 specifies the derating factors for the output clock toggle rate
for non-default load.
To calculate the output toggle rate for a non-default load, use this
formula:
The toggle rate for a non-default load
LVDS
tOP
1216
1275
2089
2184
2272
2278
ps
tDI P
1340
1407
2297
2421
2545
ps
RSDS
tOP
1216
1275
2089
2184
2272
2278
ps
tDIP
1340
1407
2297
2421
2545
ps
MINI_LVDS
tOP
1216
1275
2089
2184
2272
2278
ps
tDIP
1340
1407
2297
2421
2545
ps
PCI
tOP
989
1036
2070
2214
2352
2358
ps
tDIP
1113
1168
2278
2451
2625
ps
PCI-X
tOP
989
1036
2070
2214
2352
2358
ps
tDIP
1113
1168
2278
2451
2625
ps
Notes to Table 5–43:
(1)
This is the default setting in the Quartus II software.
(2)
These numbers are for commercial devices.
(3)
These numbers are for automotive devices.
Table 5–43. Cyclone II I/O Output Delay for Row Pins (Part 4 of 4)
I/O Standard
Drive
Strength
Parameter
Fast Corner
–6
Speed
Grade
–7
Speed
Grade
(2)
–7
Speed
Grade
(3)
–8
Speed
Grade
Unit
Industrial
/Auto-
motive
Commer-
cial
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EP2C20F256I8 功能描述:FPGA - 現(xiàn)場(chǎng)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(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
EP2C20F256I8GA 制造商:Altera Corporation 功能描述:
EP2C20F256I8N 功能描述:FPGA - 現(xiàn)場(chǎng)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(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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