1. Stratix III Device Datasheet: DC and
Switching Characteristics
SIII52001-2.3
Electrical Characteristics
This chapter describes the electrical characteristics, switching characteristics, and I/O
timing for Stratix
®
III devices. Electrical characteristics include operating conditions
and power consumption. Switching characteristics include core performance
specifications and periphery performance. A glossary is also included for your
reference.
Operating Conditions
When Stratix III devices are implemented in a system, they are rated according to a set
of defined parameters. To maintain the highest possible performance and reliability of
Stratix III devices, system designers must consider the operating requirements
described in this chapter.
Stratix III devices are offered in both commercial and industrial grades. Commercial
devices are offered in –2 (fastest), –3, –4, and –4L speed grades. Industrial devices are
offered only in –3, –4, and –4L speed grades.
1
In this chapter, a prefix associated with the operating temperature range is attached to
the speed grades; commercial with a “C” prefix and industrial with an “I” prefix. For
example, commercial devices are indicated as C2, C3, C4, and C4L per respective
speed grades. Industrial devices are indicated as I3, I4, and I4L.
Absolute Maximum Ratings
Absolute maximum ratings define the maximum operating conditions for Stratix III
devices. The values are based on experiments conducted with the device and
theoretical modeling of breakdown and damage mechanisms. The functional
operation of the device is not implied at these conditions. Conditions beyond those
listed in
Table 1–1
may cause permanent damage to the device. Additionally, device
operation at the absolute maximum ratings for extended periods may have adverse
effects on the device.
Table 1–1.
Absolute Maximum Ratings for Stratix III Devices
(Note 1)
(Part 1 of 2)
Symbol
V
CCL
V
CC
V
CCD_PLL
V
CCA_PLL
V
CCPT
V
CCPGM
V
CCPD
V
CCIO
Parameter
Selectable core voltage power supply
I/O registers power supply
Phase-locked loop (PLL) digital power supply
PLL analog power supply
Programmable power technology power supply
Configuration pins power supply
I/O pre-driver power supply
I/O power supply
Minimum
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
Maximum
1.65
1.65
1.65
3.75
3.75
3.9
3.9
3.9
Unit
V
V
V
V
V
V
V
V
© July 2010
Altera Corporation
Stratix III Device Handbook, Volume 2
1–2
Chapter 1: Stratix III Device Datasheet: DC and Switching Characteristics
Electrical Characteristics
Table 1–1.
Absolute Maximum Ratings for Stratix III Devices
(Note 1)
(Part 2 of 2)
Symbol
V
CC_CLKIN
V
CCBAT
V
I
T
J
I
OUT
T
STG
Note to
Table 1–1:
(1) Supply voltage specifications apply to voltage readings taken at the device pins, not the power supply.
Parameter
Differential clock input power supply (top and bottom I/O
banks only)
Battery back-up power supply for design security volatile
key register
DC Input voltage
Operating junction temperature
DC output current, per pin
Storage temperature (No bias)
Minimum
-0.5
-0.5
-0.5
-55
-25
-65
Maximum
3.75
3.75
4.0
125
40
150
Unit
V
V
V
°C
mA
°C
Sinusoidal Maximum Allowed Overshoot/Undershoot Voltage
During transitions, input signals may overshoot to the voltage listed in
Table 1–2
and
undershoot to –2.0 V for input currents less than 100 mA and periods shorter than
20 ns.
Table 1–2
lists the maximum allowed input overshoot voltage and the duration of the
overshoot voltage as a percentage over the lifetime of the device. The maximum
allowed overshoot duration is specified as percentage of high-time over the lifetime of
the device.
A DC signal is equivalent to 100% duty cycle. For example, a signal that overshoots to
4.2 V can only be at 4.2 V for 15.8% over the lifetime of the device; for a device lifetime
of 10 years, this is equivalent to 15.8% of ten years which is 18.96 months.
Figure 1–1
shows how to determine the overshoot duration.
Figure 1–1.
Overshoot Duration
4.1 V
3.15 V
3.0 V
ΔT
T
1
In the example shown in
Figure 1–1,
the overshoot voltage is shown in red and is
present at the Stratix III pin, up to 4.1 V. From
Table 1–2,
for an overshoot of up to 4.1
V, the percentage of high time for overshoot > 3.15 V can be as high as 46% over an
11.4-year period. The percentage of high time is calculated as (delta T/T) * 100. This
11.4-year period assumes the device is always turned on with 100% I/O toggle rate
and 50% duty cycle signal. For lower I/O toggle rates and situations where the device
is in an idle state, lifetimes are increased.
Stratix III Device Handbook, Volume 2
© July 2010
Altera Corporation
Chapter 1: Stratix III Device Datasheet: DC and Switching Characteristics
Electrical Characteristics
1–3
Table 1–2.
Maximum Allowed Overshoot During Transitions
Symbol
Parameter
Condition
4
4.05
4.1
4.15
4.2
4.25
4.3
4.35
Vi (AC)
AC Input Voltage
(1)
4.4
4.45
4.5
4.55
4.6
4.65
4.7
4.75
4.8
4.85
Note to
Table 1–2:
(1) This input voltage is regardless of the V
CCIO
supply which is used to power up the input buffer.
Overshoot Duration as a % of
High Time
100.000
79.330
46.270
27.030
15.800
9.240
5.410
3.160
1.850
1.080
0.630
0.370
0.220
0.130
0.074
0.043
0.025
0.015
Unit
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
Recommended Operating Conditions
This section lists the functional operation limits for AC and DC parameters for
Stratix III devices.
Table 1–3
lists the steady-state voltage and current values expected
from Stratix III devices. All supplies are required to monotonically reach their full-rail
values within t
RAMP
.
Table 1–3.
Recommended Operating Conditions for Stratix III Devices (Part 1 of 2)
Symbol
Parameter
Selectable core voltage power supply for
internal logic and input buffers
Selectable core voltage power supply for
internal logic and input buffers
I/O registers power supply
PLL digital power supply
PLL analog power supply
Power supply for the programmable power
technology
Conditions
—
—
—
—
—
—
Minimum
1.05
0.86
1.05
1.05
2.375
2.375
Typical
1.1
0.9
1.1
1.1
2.5
2.5
Maximum
1.15
0.94
1.15
1.15
2.625
2.625
Unit
V
V
V
V
V
V
V
CCL
V
CC
V
CCD_PLL
V
CCA_PLL
V
CCPT
© July 2010
Altera Corporation
Stratix III Device Handbook, Volume 2
1–4
Chapter 1: Stratix III Device Datasheet: DC and Switching Characteristics
Electrical Characteristics
Table 1–3.
Recommended Operating Conditions for Stratix III Devices (Part 2 of 2)
Symbol
Parameter
Configuration pins power supply, 3.3 V
V
CCPGM
Configuration pins power supply, 3.0 V
Configuration pins power supply, 2.5 V
Configuration pins power supply, 1.8 V
I/O pre-driver power supply, 3.3 V
V
CCPD
(1)
I/O pre-driver power supply, 3.0 V
I/O pre-driver power supply, 2.5 V
I/O power supply, 3.3 V
I/O power supply, 3.0 V
V
CCIO
I/O power supply, 2.5 V
I/O power supply, 1.8 V
I/O power supply, 1.5 V
I/O power supply, 1.2 V
V
CC_CLKIN
V
CCBAT
(3)
V
I
V
O
Differential clock input power supply (top and
bottom I/O banks only)
Battery back-up power supply for design
security volatile key register
DC Input voltage
Output voltage
Conditions
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
For commercial
use
For industrial
use
(2)
Normal POR
(PORSEL=0)
Fast POR
(PORSEL=1)
Normal POR
(PORSEL=0)
Fast POR
(PORSEL=1)
Minimum
3.135
2.85
2.375
1.71
3.135
2.85
2.375
3.135
2.85
2.375
1.71
1.425
1.14
2.375
1.0
-0.3
0
0
-40
50 µs
50 µs
50 µs
50 µs
Typical
3.3
3
2.5
1.8
3.3
3
2.5
3.3
3
2.5
1.8
1.5
1.2
2.5
—
—
—
—
—
—
—
—
—
Maximum
3.465
3.15
2.625
1.89
3.465
3.15
2.625
3.465
3.15
2.625
1.89
1.575
1.26
2.625
3.3
3.6
V
CCIO
85
100
5 ms
5 ms
100 ms
12 ms
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
°C
°C
—
—
—
—
T
J
Operating junction temperature
Power Supply Ramptime (For V
CCPT
)
t
RAMP
Power Supply Ramptime (For all power
supplies except V
CCPT
)
Notes to
Table 1–3:
(1) V
CCPD
is 2.5, 3.0, or 3.3 V. For a 3.3-V I/O standard, V
CCPD
= 3.3 V. For a 3.0-V I/O standard, V
CCPD
= 3.0 V. For a 2.5-V or lower I/O standard,
V
CCPD
= 2.5 V.
(2) For the EP3SL340, EP3SE260, and EP3SL200 devices in the I4L ordering code, the industrial junction temperature range is from 0° C to
100° C, regardless of supply voltage.
(3) Altera recommends a 3.0-V nominal battery voltage when connecting V
CCBAT
to a battery for volatile key backup. If you do not use the volatile
security key, you may connect the V
CCBAT
to either GND or a 3.0-V power supply.
Stratix III Device Handbook, Volume 2
© July 2010
Altera Corporation
Chapter 1: Stratix III Device Datasheet: DC and Switching Characteristics
Electrical Characteristics
1–5
DC Characteristics
This section lists the input pin capacitances, on-chip termination tolerance, and
hot- socketing specifications.
Supply Current
Standby current is the current the device draws after the device is configured with no
inputs/outputs toggling and no activity in the device. Because these currents vary
largely with the resources used, use the Excel-based Early Power Estimator (EPE) to
get supply current estimates for your design.
Table 1–4
lists supply current specifications for V
CC_CLKIN
and V
CCPGM
. Use the EPE to get
supply current estimates for the remaining power supplies.
Table 1–4.
Supply Current Specifications for V
CC_CLKIN
and V
CCPGM
Symbol
I
CLKIN
I
PGM
Parameter
V
CC_CLKIN
current specifications
V
CCPGM
current specifications
Min
0
0
Max
250
250
Unit
mA
mA
I/O Pin Leakage Current
Table 1–5
lists Stratix III I/O pin leakage current specifications.
Table 1–5.
I/O Pin Leakage Current for Stratix III Devices
(Note 1), (2)
Symbol
I
I
I
OZ
Parameter
Input Pin Leakage Current
Tri-stated I/O Pin Leakage
Current
Conditions
V
I
= V
CCIOMAX
to 0 V
V
O
= V
CCIOMAX
to 0 V
Min
-10
-10
Typ
—
—
Max
10
10
Unit
A
A
Notes to
Table 1–5:
(1) This value is specified for normal device operation. The value may vary during power-up. This applies for all V
CCIO
settings (3.3, 3.0, 2.5, 1.8, 1.5, and 1.2 V).
(2) The 10-A I/O leakage current limit is applicable when the internal clamping diode is off. A higher current can be
observed when the diode is on.
Bus Hold Specifications
Table 1–6
lists the Stratix III device family bus hold specifications.
Table 1–6.
Bus Hold Parameters for Stratix III Devices (Part 1 of 2)
V
CCIO
Parameter
Symbol
Conditions
1.2 V
Min
Max
—
—
120
1.5 V
Min
25.0
-25.0
—
1.8 V
Min
30.0
-30.0
—
2.5 V
Min
50.0
-50.0
—
3.0 V/3.3 V
Min
70.0
-70.0
—
Unit
Max
—
—
160
Max
—
—
200
Max
—
—
300
Max
—
—
500
µA
µA
µA
Low sustaining
current
High sustaining
current
Low overdrive
current
I
SUSL
I
SUSH
I
ODL
V
IN
> V
IL
(maximum)
V
IN
< V
IH
(minimum)
0V < V
IN
< V
CCIO
22.5
-22.5
—
© July 2010
Altera Corporation
Stratix III Device Handbook, Volume 2
京公网安备 11010802033920号
EEWORLD
