
1–4
Chapter 1: Cyclone IV Device Datasheet
Operating Conditions
December 2013
Altera Corporation
Recommended Operating Conditions
This section lists the functional operation limits for AC and DC parameters for
values expected from Cyclone IV E and Cyclone IV GX devices. All supplies must be
strictly monotonic without plateaus.
Table 1–3. Recommended Operating Conditions for Cyclone IV E Device
s (1),
(2) (Part 1 of 2)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply voltage for internal logic,
1.2-V operation
—
1.15
1.2
1.25
V
Supply voltage for internal logic,
1.0-V operation
—
0.97
1.0
1.03
V
Supply voltage for output buffers,
3.3-V operation
—
3.135
3.3
3.465
V
Supply voltage for output buffers,
3.0-V operation
—
2.85
3
3.15
V
Supply voltage for output buffers,
2.5-V operation
—
2.375
2.5
2.625
V
Supply voltage for output buffers,
1.8-V operation
—
1.71
1.8
1.89
V
Supply voltage for output buffers,
1.5-V operation
—
1.425
1.5
1.575
V
Supply voltage for output buffers,
1.2-V operation
—
1.14
1.2
1.26
V
Supply (analog) voltage for PLL
regulator
—
2.375
2.5
2.625
V
Supply (digital) voltage for PLL,
1.2-V operation
—
1.15
1.2
1.25
V
Supply (digital) voltage for PLL,
1.0-V operation
—
0.97
1.0
1.03
V
VI
Input voltage
—
–0.5
—
3.6
V
VO
Output voltage
—
0
—
VCCIO
V
TJ
Operating junction temperature
For commercial use
0
—
85
°C
For industrial use
–40
—
100
°C
For extended temperature (5) –40
—
125
°C
For automotive use
–40
—
125
°C
tRAMP
Power supply ramp time
Standard power-on reset
50 s
—
50 ms
—
50 s
—
3 ms
—