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EP2SGX30CF780C5N Datasheet, PDF (172/316 Pages) Altera Corporation – Section I. Stratix II GX Device Data Sheet
Operating Conditions
Table 4–2. Maximum Duty Cycles in Voltage Transitions
Symbol
Parameter
Condition
Maximum Duty Cycles
(%) (1)
VI
Maximum duty cycles VI = 4.0 V
100
in voltage transitions
VI = 4.1 V
90
VI = 4.2 V
50
VI = 4.3 V
30
VI = 4.4 V
17
VI = 4.5 V
10
Note to Table 4–2:
(1) During transition, the inputs may overshoot to the voltages shown based on the
input duty cycle. The duty cycle case is equivalent to 100% duty cycle.
Recommended Operating Conditions
Table 4–3 contains the Stratix II GX device family recommended
operating conditions.
Table 4–3. Stratix II GX Device Recommended Operating Conditions (Part 1 of 2) Note (1)
Symbol
Parameter
Conditions
Minimum
VCCINT
VCCIO
VCCPD
VI
VO
Supply voltage for internal logic 100 μs ≤rise time ≤100 ms (3)
and input buffers
Supply voltage for output
buffers, 3.3-V operation
100 μs ≤rise time ≤100 ms (3), (6)
Supply voltage for output
buffers, 2.5-V operation
100 μs ≤rise time ≤100 ms (3)
Supply voltage for output
buffers, 1.8-V operation
100 μs ≤rise time ≤100 ms (3)
Supply voltage for output
buffers, 1.5-V operation
100 μs ≤rise time ≤100 ms (3)
Supply voltage for output
buffers, 1.2-V operation
100 μs ≤rise time ≤100 ms (3)
Supply voltage for pre-drivers as 100 μs ≤rise time ≤100 ms (4)
well as configuration and JTAG
I/O buffers.
Input voltage (see Table 4–2) (2), (5)
Output voltage
1.15
3.135
(3.00)
2.375
1.71
1.425
1.15
3.135
–0.5
0
Maximum Unit
1.25
V
3.465
V
(3.60)
2.625
V
1.89
V
1.575
V
1.25
V
3.465
V
4.0
V
VCCIO
V
4–2
Stratix II GX Device Handbook, Volume 1
Altera Corporation
June 2009