EP1S20F780I6N Altera, EP1S20F780I6N Datasheet - Page 392
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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Designing With TriMatrix Memory
2–24
Stratix Device Handbook, Volume 2
f
f
f
For information on the difference between APEX-style memory and
TriMatrix memory, see the Transitioning APEX Designs to Stratix Devices
chapter.
Selecting TriMatrix Memory Blocks
The Quartus II software automatically partitions user-defined memory
into embedded memory blocks using the most efficient size
combinations. The memory can also be manually assigned to a specific
block size or a mixture of block sizes.
selecting a TriMatrix memory block size based on supported features.
1
For more information on selecting which memory block to use, see
AN 207: TriMatrix Memory Selection Using the Quartus II Software.
1
Pipeline & Flow-Through Modes
TriMatrix memory architecture implements synchronous (pipelined)
RAM by registering both the input and output signals to the RAM block.
All TriMatrix memory inputs are registered providing synchronous write
cycles. In synchronous operation, RAM generates its own self-timed
strobe write enable (wren) signal derived from the global or regional
clock. In contrast, a circuit using asynchronous RAM must generate the
RAM wren signal while ensuring its data and address signals meet setup
and hold time specifications relative to the wren signal. The output
registers can be bypassed.
In an asynchronous memory neither the input nor the output is
registered. While Stratix and Stratix GX devices do not support
asynchronous memory, they do support a flow-through read where the
output data is available during the clock cycle when the read address is
driven into it. Flow-through reading is possible in the simple and true
dual-port modes of the M512 and M4K blocks by clocking the read enable
and read address registers on the negative clock edge and bypassing the
output registers.
For more information, see AN 210: Converting Memory from Asynchronous
to Synchronous for Stratix & Stratix GX Devices.
Violating the setup or hold time on the address registers could
corrupt the memory contents. This applies to both read and
write operations.
Violating the setup or hold time on the address registers could
corrupt the memory contents. This applies to both read and
write operations.
Table 2–1 on page 2–2
Altera Corporation
is a guide for
July 2005
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