EP1S20F780I6N Altera, EP1S20F780I6N Datasheet - Page 849
EP1S20F780I6N
Manufacturer Part Number
EP1S20F780I6N
Description
IC STRATIX FPGA 20K LE 780-FBGA
Manufacturer
Altera
Series
Stratix®r
Specifications of EP1S20F780I6N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
586
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
780-FBGA
Family Name
Stratix
Number Of Logic Blocks/elements
18460
# I/os (max)
586
Frequency (max)
450.05MHz
Process Technology
0.13um (CMOS)
Operating Supply Voltage (typ)
1.5V
Logic Cells
18460
Ram Bits
1669248
Operating Supply Voltage (min)
1.425V
Operating Supply Voltage (max)
1.575V
Operating Temp Range
-40C to 100C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
780
Package Type
FC-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP1S20F780I6N
Manufacturer:
ALTERA
Quantity:
3 000
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Altera Corporation
January 2005
Selecting Voltage Regulators
Your design requirements determine which voltage regulator you need.
The key to selecting a voltage regulator is understanding the regulator
parameters and how they relate to the design.
The following checklist can help you select the proper regulator for your
design:
■
■
■
■
■
■
Choose a Regulator Type
If required, select either a linear, asynchronous switching, or
synchronous switching regulator based on your output current, regulator
efficiency, cost, and board-space requirements. DC-to-DC converters
have output current capabilities from 1 to 8 A. You can use a controller
with an external MOSFET rated for higher current for higher-output-
current applications.
Calculate the Maximum Input Current
Use the following equation to estimate the maximum input current based
on the output power requirements at the maximum input voltage:
Where
60% for linear 2.5-V-to-1.5-V conversion, 45% for linear 3.3-V-to-1.5-V
conversion, and 30% for linear 5.0-V-to-1.5-V conversion.
Once you identify the design requirements, select the voltage regulator
that is best for your design.
Technology and Elantec regulators available at the time this document
Do you require a 3.3-V, 2.5-V, and 1.5-V output (V
What precision is required on the regulated 1.5-V supplies (line and
load regulation)?
What supply voltages (V
What voltage variance (input voltage range) is expected on V
V
What is the maximum I
What is the maximum current surge (I
will need to supply instantaneously?
I
IN,DC(MAX)
CC
?
is nominal efficiency: typically 90% for switching regulators,
=
V
OUT
η × V
× I
IN(MAX)
OUT(MAX)
Tables 14–5
CC
IN
(I
or V
OUT
) required by your Altera
CC
) are available on the board?
Stratix Device Handbook, Volume 2
and
OUT(MAX)
14–6
Designing with 1.5-V Devices
list a few Linear
) that the regulator
OUT
)?
®
device?
IN
14–9
or
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