EP1C20F ALTERA [Altera Corporation], EP1C20F Datasheet - Page 92

• Manufacturer Part Number: EP1C20F
• Description: Cyclone FPGA Family
• Manufacturer: ALTERA [Altera Corporation]

Cyclone Device Handbook, Volume 1
4–22
Preliminary
SSTL-2 class II
LVDS
LVCMOS
3.3-V LVTTL
2.5-V LVTTL
1.8-V LVTTL
1.5-V LVTTL
3.3-V PCI
SSTL-3 class I
SSTL-3 class II
SSTL-2 class I
SSTL-2 class II
LVDS
LVCMOS
3.3-V LVTTL
Table 4–40. Cyclone I/O Standard Column Pin Input Delay Adders (Part 2 of 2)
Table 4–41. Cyclone I/O Standard Row Pin Input Delay Adders
Table 4–42. Cyclone I/O Standard Output Delay Adders for Fast Slew Rate on Column Pins (Part 1 of 2)
I/O Standard
I/O Standard
Standard
(1)
2 mA
4 mA
8 mA
12 mA
4 mA
8 mA
12 mA
16 mA
24 mA
-6 Speed Grade
Min
-6 Speed Grade
Min
-6 Speed Grade
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–278
–261
–250
–250
–278
–278
–261
–489
–855
–993
–347
–858
–819
–993
Max
Max
Max
182
278
27
0
0
0
0
0
-7 Speed Grade
Min
-7 Speed Grade
Min
-7 Speed Grade
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–1,142
–1,142
–320
–301
–288
–288
–320
–320
–301
–563
–984
–400
–987
–942
Max
Max
Max
209
319
31
0
0
0
0
0
-8 Speed Grade
Min
-8 Speed Grade
Min
-8 Speed Grade
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Altera Corporation
–1,112
–1,291
–1,116
–1,065
–1,291
–362
–340
–325
–325
–362
–362
–340
–636
–452
Max
Max
Max
236
361
35
0
0
0
0
0
May 2008
Unit
Unit
Unit
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps