EP1S40B956C5 Altera, EP1S40B956C5 Datasheet - Page 859

• Manufacturer Part Number: EP1S40B956C5
• Description: IC STRATIX FPGA 40K LE 956-BGA
• Manufacturer: Altera
• Series: Stratix®r

Specifications of EP1S40B956C5

• Number Of Logic Elements/cells: 41250
• Number Of Labs/clbs: 4125
• Total Ram Bits: 3423744
• Number Of I /o: 683
• Voltage - Supply: 1.425 V ~ 1.575 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 956-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -

1.5-V Regulator
Application
Examples
Altera Corporation
January 2005
The following sections show the process used to select a voltage regulator
for three sample designs. The regulator selection is based on the amount
of power that the Cyclone device consumes. There are 14 variables to
consider when selecting a voltage regulator. The following variables
apply to Cyclone device power consumption:
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The following variables apply to the voltage regulator:
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Different designs have different power consumptions based on the
variables listed. Once you calculate the Cyclone device’s power
consumption, you must consider how much current the Cyclone device
needs. You can use the Cyclone power calculator (available at
www.altera.com) or the PowerGauge
determine the current needs. Also check the maximum power-up current
requirement listed in the Power Consumption section of the Cyclone
FPGA Family Data Sheet because the power-up current requirement may
exceed the user-mode current consumption for a specific design.
Once you determine the minimum current the Cyclone device requires,
you must select a voltage regulator that can generate the desired output
current with the voltage and current supply that is available on the board
using the variables listed in this section. An example is shown to illustrate
the voltage regulator selection process.
f
Output and bidirectional pins
Average toggle rate for I/O pins (tog
Average toggle rate for logic elements (LEs) (tog
User-mode I
Maximum power-up I
Utilization
V
V
Output voltage precision requirement
Supply voltage on the board
Voltage supply output current
Variance of board supply
Efficiency
MAX
CCIO
CCINT
supply level
supply level
CC
consumption
CCINT
requirement
TM
Stratix Device Handbook, Volume 2
tool in the Quartus II software to
IO
)
Designing with 1.5-V Devices
LC
)
14–19