EP1S20F484C6N Altera, EP1S20F484C6N Datasheet - Page 379
![IC STRATIX FPGA 20K LE 484-FBGA](/photos/6/72/67258/544-484-fbga_sml.jpg)
EP1S20F484C6N
Manufacturer Part Number
EP1S20F484C6N
Description
IC STRATIX FPGA 20K LE 484-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F484I6N.pdf
(864 pages)
Specifications of EP1S20F484C6N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
361
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP1S20F484C6N
Manufacturer:
ALTERA
Quantity:
534
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Figure 2–5. Simple Dual-Port Timing Waveforms
Note to
(1)
Altera Corporation
July 2005
asynch_data_out
synch_data_out
wraddress
rdaddress
The rden signal is not available in the M-RAM block. A M-RAM block in simple dual-port mode is always reading
out the data stored at the current read address location.
wrclock
data_in
rdclock
wren
rden
Figure
doutn-2
2–5:
din-1
an-1
doutn-1
bn
an
din
M-RAM blocks have one write enable signal in simple dual-port mode. To
perform a write operation, the write enable is held high. The M-RAM
block is always enabled for read operation. If the read address and the
write address select the same address location during a write operation,
the M-RAM block output is unknown.
Figure 2–5
simple dual-port mode.
Implementing True Dual-Port Mode
M4K and M-RAM blocks offer a true dual-port mode to support any
combination of two-port operations: two reads, two writes, or one read
and one write at two different clock frequencies.
true dual-port memory configuration for TriMatrix memory.
doutn-1
doutn
a0
b0
TriMatrix Embedded Memory Blocks in Stratix & Stratix GX Devices
shows timing waveforms for read and write operations in
a1
Note (1)
doutn
dout0
a2
b1
a3
Stratix Device Handbook, Volume 2
dout0
din4
a4
b2
Figure 2–6
din5
a5
shows the
b3
din6
2–11
a6
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