XC5VLX85-2FFG676I Xilinx Inc, XC5VLX85-2FFG676I Datasheet - Page 212
![IC FPGA VIRTEX-5 85K 676FBGA](/photos/6/73/67306/xilinx-_1136-fbga_sml.jpg)
XC5VLX85-2FFG676I
Manufacturer Part Number
XC5VLX85-2FFG676I
Description
IC FPGA VIRTEX-5 85K 676FBGA
Manufacturer
Xilinx Inc
Series
Virtex™-5 LXr
Datasheets
1.XC5VLX30-1FFG324C.pdf
(91 pages)
2.XC5VLX30-1FFG324C.pdf
(13 pages)
3.XC5VLX30-1FFG324C.pdf
(385 pages)
Specifications of XC5VLX85-2FFG676I
Number Of Logic Elements/cells
82944
Number Of Labs/clbs
6480
Total Ram Bits
3538944
Number Of I /o
440
Voltage - Supply
0.95 V ~ 1.05 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
676-BBGA, FCBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Chapter 5: Configurable Logic Blocks (CLBs)
212
Port Signals
X-Ref Target - Figure 5-32
Instantiating several distributed RAM primitives can be used to implement wide memory
blocks.
Each distributed RAM port operates independently of the other while reading the same set
of memory cells.
Clock – WCLK
The clock is used for the synchronous write. The data and the address input pins have
setup times referenced to the WCLK pin.
Enable – WE/WED
The enable pin affects the write functionality of the port. An active write enable prevents
any writing to memory cells. An active write enable causes the clock edge to write the data
input signal to the memory location pointed to by the address inputs.
Address – A[#:0], DPRA[#:0], and ADDRA[#:0] – ADDRD[#:0]
The address inputs A[#:0] (for single-port and dual-port), DPRA[#:0] (for dual-port), and
ADDRA[#:0] – ADDRD[#:0] (for quad-port) select the memory cells for read or write. The
width of the port determines the required address inputs. Some of the address inputs are
not buses in VHDL or Verilog instantiations.
address pins.
Data In – D, DID[#:0]
The data input D (for single-port and dual-port) and DID[#:0] (for quad-port) provide the
new data value to be written into the RAM.
Data Out – O, SPO, DPO and DOA[#:0] – DOD[#:0]
The data out O (single-port or SPO), DPO (dual-port), and DOA[#:0] – DOD[#:0] (quad-
port) reflects the contents of the memory cells referenced by the address inputs. Following
an active write clock edge, the data out (O, SPO, or DOD[#:0]) reflects the newly written
data.
WCLK
A[#:0]
WE
Figure 5-32: Single-Port, Dual-Port, and Quad-Port Distributed RAM Primitives
D
RAM#X1S
DPRA[#:0]
O
WCLK
www.xilinx.com
A[#:0]
WE
D
RAM#X1D
Read Port
R/W Port
Table 5-11
SPO
DPO
ADDRD[#:0]
ADDRC[#:0]
ADDRB[#:0]
ADDRA[#:0]
DI[A:D][#:0]
summarizes the function of each
WCLK
WE
Virtex-5 FPGA User Guide
UG190 (v5.3) May 17, 2010
Read Port
Read Port
Read Port
RAM#M
R/W Port
UG190_5_32_112108
DOD[#:0]
DOC[#:0]
DOB[#:0]
DOA[#:0]
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