1–4
Chapter 1: Cyclone III Device Data Sheet
Electrical Characteristics
shows the methodology to determine the overshoot duration.
Figure 1–1.
Cyclone III Devices Overshoot Duration
4.2 V
4.1 V
3.3 V
ΔT
T
Recommended Operating Conditions
This section lists the functional operation limits for AC and DC parameters for
Cyclone III devices. The steady-state voltage and current values expected from
Cyclone III devices are provided in
All supplies must be strictly monotonic
without plateaus.
Table 1–3.
Cyclone III Devices Recommended Operating Conditions
Symbol
V
C CINT
Parameter
Supply voltage for internal logic
Supply voltage for output buffers, 3.3-V
operation
Supply voltage for output buffers, 3.0-V
operation
Supply voltage for output buffers, 2.5-V
operation
Supply voltage for output buffers, 1.8-V
operation
Supply voltage for output buffers, 1.5-V
operation
Supply voltage for output buffers, 1.2-V
operation
V
C CA
V
C CD_P LL
V
I
V
O
Supply (analog) voltage for PLL
regulator
Supply (digital) voltage for PLL
Input voltage
Output voltage
(Part 1 of 2)
Min
1.15
3.135
2.85
2.375
1.71
1.425
1.14
2.375
1.15
–0.5
0
Typ
1.2
3.3
3
2.5
1.8
1.5
1.2
2.5
1.2
—
—
Max
1.25
3.465
3.15
2.625
1.89
1.575
1.26
2.625
1.25
3.6
V
CC IO
Unit
V
V
V
V
V
V
V
V
V
V
V
Conditions
—
—
—
—
—
—
—
—
—
—
—
V
C CIO
© January 2010
Altera Corporation
ALTERA [ ALTERA CORPORATION ]
