EP1S40B956C5 Altera, EP1S40B956C5 Datasheet - Page 845
![IC STRATIX FPGA 40K LE 956-BGA](/photos/6/73/67334/544-stratix_956-bga_sml.jpg)
EP1S40B956C5
Manufacturer Part Number
EP1S40B956C5
Description
IC STRATIX FPGA 40K LE 956-BGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F484I6N.pdf
(864 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP1S40B956C5
Manufacturer:
ALTERA/阿尔特拉
Quantity:
20 000
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Altera Corporation
January 2005
Minimum load requirements
Efficiency
Table 14–2. Voltage Regulator Specifications & Terminology (Part 2 of 2)
Specification/Terminology
Linear Voltage Regulators
Linear voltage regulators generate a regulated output from a larger input
voltage using current pass elements in a linear mode. There are two types
of linear regulators available: one using a series pass element and another
using a shunt element (e.g., a zener diode). Altera recommends using
series linear regulators because shunt regulators are less efficient.
Series linear regulators use a series pass element (i.e., a bipolar transistor
or MOSFET) controlled by a feedback error amplifier (see
regulate the output voltage by comparing the output to a reference
voltage. The error amplifier drives the transistor further on or off
continuously to control the flow of current needed to sustain a steady
voltage level across the load.
Figure 14–2. Series Linear Regulator
A minimum load from the voltage divider network is required for good
regulation, which also serves as the ground for the regulator’s current path.
Efficiency is the division of the output power by the input power. Each
regulator model has a specific efficiency value. The higher the efficiency
value, the better the regulator.
V
Error
Amplifier
IN
Reference
+
Description
–
Stratix Device Handbook, Volume 2
Designing with 1.5-V Devices
V
OUT
Figure
14–2) to
14–5
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