EP1S40B956C5 Altera, EP1S40B956C5 Datasheet - Page 860

• 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
14–20
Stratix Device Handbook, Volume 2
Output voltage requirements
Supply voltages
Supply variance from Linear Technology data sheet
Estimated I
Estimated I
Total user-mode current consumption
Table 14–8. Voltage Regulator Selection Process for EP1C12F324C Design (Part 1 of 2)
Use Cyclone Power Calculator
Use Cyclone Power Calculator (not applicable in this example
because V
I
C C
= I
C C I N T
C C I N T
C C I O
C C I O
+ I
if regulator powers V
C C I O
= 3.3 V)
Synchronous Switching Regulator Example
This example shows a worst-case scenario for power consumption where
the design uses all the LEs and RAM.
requirements for 1.5-V design using a Cyclone EP1C12 FPGA.
Table 14–8
voltage regulator.
Output voltage precision requirement
Supply voltages available on the board
Voltage supply output current available for this
section (I
Variance of board supply (V
f
Average tog
Average tog
Utilization
Output and bidirectional pins
V
V
Efficiency
MAX
Table 14–7. Design Requirements for the Example EP1C12F324C
CCIO
CCINT
supply level
supply level
C C I O
I N , D C ( M A X )
uses the checklist on
IO
LC
Design Requirement
)
IN
)
page 14–9
Table 14–7
Supply variance = ±5%
to help select the appropriate
V
IN
shows the design
OR V
3.3 V
2 A
150 MHz
12.5%
12.5%
100%
125
3.3 V
1.5 V
5%
5%
90%
I
CCINT
V
I
CCIO
OUT
I
C C
CC
Altera Corporation
= 1.5 V
= 3.3 V
= 620 mA
= N/A
= 620 mA
Value
January 2005