ep2sgx30c Altera Corporation, ep2sgx30c Datasheet - Page 254

• Manufacturer Part Number: ep2sgx30c
• Description: Stratix Ii Gx Device Data Sheet
• Manufacturer: Altera Corporation

Timing Model
4–84
Stratix II GX Device Handbook, Volume 1
LVTTL
Table 4–84. Stratix II GX I/O Input Delay for Column Pins (Part 1 of 3)
I/O Standard
Parameter
t
I/O Delays
See
PCOUT
SSTL-18 Class I
SSTL-18 Class II
1.5-V HSTL Class I
1.5-V HSTL Class II
1.8-V HSTL Class I
1.8-V HSTL Class II
Differential SSTL-2 Class I
Differential SSTL-2 Class II
Differential SSTL-18 Class I
Differential SSTL-18 Class II
1.5-V differential HSTL Class I
1.5-V differential HSTL Class II
1.8-V differential HSTL Class I
1.8-V differential HSTL Class II
LVDS
t
t
t
t
DIP
OP
PCOUT
PI
t
Table 4–82. Default Loading of Different I/O Standards for Stratix II GX
Devices (Part 2 of 2)
Table 4–83. I/O Delay Parameters
PI
Symbol
Tables 4–83
Commercial
Fast Corner
Industrial/
Delay from I/O datain to output pad
Delay from I/O output register to output pad
Delay from input pad to I/O dataout to core
Delay from input pad to I/O input register
I/O Standard
707
428
through
Grade
-3 Speed
4–87
1223
787
for I/O delays.
(2)
Grade
-3 Speed
Parameter
1282
825
(3)
Capacitive Load
-4 Speed
Grade
1364
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
878
Altera Corporation
-5 Speed
Grade
1637
1054
October 2007
Unit
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
pF
Unit
ps
ps