XC5VLX30-3FF324C Xilinx Inc, XC5VLX30-3FF324C Datasheet - Page 123
![IC FPGA VIRTEX-5 30K 324FBGA](/photos/6/73/67306/xilinx-_1136-fbga_sml.jpg)
XC5VLX30-3FF324C
Manufacturer Part Number
XC5VLX30-3FF324C
Description
IC FPGA VIRTEX-5 30K 324FBGA
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 XC5VLX30-3FF324C
Number Of Logic Elements/cells
30720
Number Of Labs/clbs
2400
Total Ram Bits
1179648
Number Of I /o
220
Voltage - Supply
0.95 V ~ 1.05 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
324-BBGA, FCBGA
For Use With
HW-AFX-FF324-500-G - BOARD DEV VIRTEX 5 FF324
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
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Block RAM Library Primitives
Virtex-5 FPGA User Guide
UG190 (v5.3) May 17, 2010
Block RAM Error Correction Code
Table 4-4: Available Byte-wide Write Enables (Continued)
When the RAMB36 is configured for a 36-bit or 18-bit wide data path, any port can restrict
writing to specified byte locations within the data word. If configured in READ_FIRST
mode, the DO bus shows the previous content of the whole addressed word. In
WRITE_FIRST mode, DO shows a combination of the newly written enabled byte(s), and
the initial memory contents of the unwritten bytes.
X-Ref Target - Figure 4-8
Both block RAM and FIFO implementations of the 36 Kb block RAM support a 64-bit Error
Correction Code (ECC) implementation. The code is used to detect single and double-bit
errors in block RAM data read out. Single-bit errors are then corrected in the output data.
The Virtex-5 FPGA block RAM library primitives, RAMB18 and RAMB36, are the basic
building blocks for all block RAM configurations. Other block RAM primitives and macros
are based on these primitives. Some block RAM attributes can only be configured using
one of these primitives (e.g., pipeline register, cascade, etc.). See the
section.
The input and output data buses are represented by two buses for 9-bit width (8 + 1), 18-bit
width (16 + 2), and 36-bit width (32 + 4) configurations. The ninth bit associated with each
byte can store parity/error correction bits or serve as additional data bits. No specific
function is performed on the ninth bit. The separate bus for parity bits facilitates some
designs. However, other designs safely use a 9-bit, 18-bit, or 36-bit bus by merging the
regular data bus with the parity bus. Read/write and storage operations are identical for
all bits, including the parity bits.
RAMB18
RAMB18SDP
ADDR
Primitive
Figure 4-8: Byte-wide Write Operation Waveforms (x36 WRITE_FIRST)
CLK
WE
DO
EN
DI
Disabled
0000
Maximum Bit Width
XXXX
www.xilinx.com
aa
Read
18
36
MEM(aa)
bb
MEM(bb)=1111
1111
1111
Write
Number of Byte-wide Write Enables
1111
0011
2222
bb
MEM(bb)=1122
Byte Write
Block RAM Library Primitives
1122
2
4
Block RAM Attributes
cc
ug190_4_10_032106
XXXX
Read
MEM(cc)
123
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