XC5VFX30T-1FFG665CES Xilinx Inc, XC5VFX30T-1FFG665CES Datasheet - Page 148
![IC FPGA VIRTEX5FX 30K 665FCBGA](/photos/6/73/67306/xilinx-_1136-fbga_sml.jpg)
XC5VFX30T-1FFG665CES
Manufacturer Part Number
XC5VFX30T-1FFG665CES
Description
IC FPGA VIRTEX5FX 30K 665FCBGA
Manufacturer
Xilinx Inc
Series
Virtex™-5 FXTr
Datasheets
1.XC5VLX30-1FFG324C.pdf
(91 pages)
2.XC5VLX30-1FFG324C.pdf
(13 pages)
3.XC5VLX30-1FFG324C.pdf
(385 pages)
Specifications of XC5VFX30T-1FFG665CES
Number Of Logic Elements/cells
32768
Number Of Labs/clbs
2560
Total Ram Bits
2506752
Number Of I /o
360
Voltage - Supply
0.95 V ~ 1.05 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
665-BBGA, FCBGA
Lead Free Status / RoHS Status
Lead free / RoHS non-compliant
Number Of Gates
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XC5VFX30T-1FFG665CES
Manufacturer:
Xilinx Inc
Quantity:
10 000
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Chapter 4: Block RAM
148
FIFO Almost Full/Empty Flag Offset Range
The offset ranges for Almost Empty and Almost Full are listed in
Table 4-18: FIFO Data Depth
Table 4-19: FIFO Almost Full/Empty Flag Offset Range
The Almost Full and Almost Empty offsets are usually set to a small value of less than 10
to provide a warning that the FIFO is about to reach its limits. Since the full capacity of any
FIFO is normally not critical, most applications use the ALMOST_FULL flag not only as a
warning but also as a signal to stop writing.
Notes:
1. ALMOST_EMPTY_OFFSET and ALMOST_FULL_OFFSET for any design must be less than the total
Notes:
1. For limitations under certain conditions, refer to
Multirate (Asynchronous) – EN_SYN=FALSE
Synchronous mode – EN_SYN=TRUE
FIFO18
FIFO depth.
FIFO18
x18
x36
x18
x36
x4
x9
x4
x9
x18
x36
Data Width
x4
x9
Data Width
FIFO36
x18
x36
x72
x18
x36
x72
x4
x9
x4
x9
FIFO36
x18
x36
x72
x4
x9
Min
www.xilinx.com
5
5
5
5
5
1
1
1
1
1
Standard
ALMOST_EMPTY_OFFSET
Block RAM
Memory
8192
4096
2048
1024
Max
8187
4091
2043
1019
8190
4094
2046
1022
512
507
510
Equation 4-1
Min
6
6
6
6
6
FWFT
Standard
(1)
8193
4097
2049
1025
513
8188
4092
2044
1020
Max
on
508
page
FIFO Capacity
146.
ALMOST_FULL_OFFSET
Virtex-5 FPGA User Guide
UG190 (v5.3) May 17, 2010
Table
Min
4
4
4
4
4
1
1
1
1
1
4-19.
FWFT
8194
4098
2050
1026
514
Max
8187
4091
2043
1019
8190
4094
2046
1022
507
510
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