参数资料
型号: EP1C6T240C6ES
厂商: Altera Corporation
英文描述: Cyclone FPGA Family Data Sheet
中文描述: 气旋的FPGA系列数据手册
文件页数: 97/104页
文件大小: 763K
代理商: EP1C6T240C6ES
Altera Corporation
January 2007
4–27
Preliminary
Timing Model
Maximum Input & Output Clock Rates
Tables 4–48
and
4–49
show the maximum input clock rate for column and
row pins in Cyclone devices.
Table 4–47. Cyclone IOE Programmable Delays on Row Pins
Parameter
Setting
-6 Speed Grade
-7 Speed Grade
-8 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
Decrease input delay to
internal cells
Off
154
177
200
ps
Small
2,212
2,543
2,875
ps
Medium
2,639
3,034
3,430
ps
Large
3,057
3,515
3,974
ps
On
154
177
200
ps
Decrease input delay to input
register
Off
0
0
0
ps
On
3,057
3,515
3,974
ps
Increase delay to output pin
Off
0
0
0
ps
On
556
639
722
ps
Note to
Table 4–47
:
(1)
EPC1C3 devices do not support the PCI I/O standard
Table 4–48. Cyclone Maximum Input Clock Rate for Column Pins
I/O Standard
-6 Speed
Grade
-7 Speed
Grade
-8 Speed
Grade
Unit
LVTTL
464
428
387
MHz
2.5 V
392
302
207
MHz
1.8 V
387
311
252
MHz
1.5 V
387
320
243
MHz
LVCMOS
405
374
333
MHz
SSTL-3 class I
405
356
293
MHz
SSTL-3 class II
414
365
302
MHz
SSTL-2 class I
464
428
396
MHz
SSTL-2 class II
473
432
396
MHz
LVDS
567
549
531
MHz
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