ep1s25 Altera Corporation, ep1s25 Datasheet - Page 233

• Manufacturer Part Number: ep1s25
• Description: Stratix Device Family Data Sheet
• Manufacturer: Altera Corporation

Altera Corporation
January 2006
Notes to
(1)
(2)
(3)
(4)
3.3-V SSTL-3 Class I
2.5-V SSTL-2 Class II
2.5-V SSTL-2 Class I
1.8-V SSTL-18 Class II
1.8-V SSTL-18 Class I
1.5-V HSTL Class II
1.5-V HSTL Class I
1.8-V HSTL Class II
1.8-V HSTL Class I
3.3-V PCI
3.3-V PCI-X 1.0
3.3-V Compact PCI
3.3-V AGP 1X
3.3-V CTT
Table 4–101. Reporting Methodology For Maximum Timing For Single-Ended Output Pins (Part 2 of 2)
Notes
Input measurement point at internal node is 0.5 × V
Output measuring point for data is V
Input stimulus edge rate is 0 to V
The first value is for output rising edge and the second value is for output falling edge. The hyphen (-) indicates
infinite resistance or disconnection.
I/O Standard
(1), (2),
Table
(4)
(4)
4–101:
(3)
(4)
(4)
–/25
–/25
–/25
–/25
R
Ω
–
–
–
–
–
–
–
–
–
–
UP
CCINT
25/–
25/–
25/–
25/–
R
Ω
MEAS
–
–
–
–
–
–
–
–
–
–
DN
in 0.5 ns (internal signal) from the driver preceding the IO buffer.
.
Loading and Termination
R
25
25
25
25
25
25
Ω
0
0
0
0
0
0
0
0
S
CCINT
50
25
50
25
50
25
50
25
50
50
R
.
Ω
–
–
–
–
T
2.950
2.370
2.370
1.650
1.650
1.400
1.400
1.650
1.650
2.950
2.950
2.950
2.950
2.050
V
(V)
CCIO
Stratix Device Handbook, Volume 1
DC & Switching Characteristics
1.250
1.110
1.110
0.760
0.760
0.700
0.700
0.700
0.700
2.950
2.950
2.950
2.950
1.350
VTT
(V)
(pF)
30
30
30
30
30
20
20
20
20
10
10
10
10
30
C
L
Measurement
0.841/1.814
0.841/1.814
0.841/1.814
0.841/1.814
V
1.250
1.110
1.110
0.760
0.760
0.680
0.680
0.880
0.880
1.350
Point
MEAS
4–63