XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 329
![IC FPGA VIRTEX-4 FX 20K 672-FBGA](/photos/19/4/190420/4579314_sml.jpg)
XC4VFX20-10FFG672C
Manufacturer Part Number
XC4VFX20-10FFG672C
Description
IC FPGA VIRTEX-4 FX 20K 672-FBGA
Manufacturer
Xilinx Inc
Series
Virtex™-4r
Datasheets
1.XC4VFX12-10FFG668C.pdf
(58 pages)
2.XC4VFX12-10FFG668C.pdf
(9 pages)
3.XC4VFX12-10FFG668C.pdf
(406 pages)
Specifications of XC4VFX20-10FFG672C
Total Ram Bits
1253376
Number Of Logic Elements/cells
19224
Number Of Labs/clbs
2136
Number Of I /o
320
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
672-BBGA, FCBGA
No. Of Logic Blocks
19224
No. Of Macrocells
19224
No. Of Speed Grades
10
No. Of I/o's
320
Clock Management
DCM
I/o Supply Voltage
3.45V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
HW-V4-ML405-UNI-G - EVALUATION PLATFORM VIRTEX-4
Number Of Gates
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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- XC4VFX12-10FFG668C PDF datasheet
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Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
ILOGIC Timing Models
R
ILOGIC Timing Characteristics
This section describes the timing associated with the various resources within the ILOGIC
block.
Figure 7-9
T
Clock Event 1
•
•
CLK
CE1
IDOCKD
SR
Q1
D
endmodule;
//Example IDDR instantiation
IDDR U_IDDR (
.Q1(user_q1),
.Q2(user_q2),
.C(user_c),
.CE(user_ce),
.D(user_d),
.R(user_r),
.S(user_s)
);
At time T
High at the CE1 input of the input register, enabling the input register for incoming
data.
At time T
input of the input register and is reflected on the Q1 output of the input register at
time T
.
parameter DDR_CLK_EDGE = "OPPOSITE_EDGE";
parameter INIT_Q1 = 1'b0;
parameter INIT_Q2 = 1'b0;
parameter SRTYPE = "SYNC";
illustrates ILOGIC register timing. When IDELAY is used, T
ICKQ
ICE1CK
IDOCK
Figure 7-9: ILOGIC Input Register Timing Characteristics
after Clock Event 1.
1
before Clock Event 1, the input signal becomes valid-High at the D
before Clock Event 1, the input clock enable signal becomes valid-
T
T
IDOCK
ICE1CK
www.xilinx.com
T
ICKQ
2
3
4
T
ISRCK
IDOCK
ILOGIC Resources
T
ICKQ
is replaced by
ug070_7_09_072904
5
329
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