XC4VFX40-11FFG672I Xilinx Inc, XC4VFX40-11FFG672I Datasheet - Page 149

• Manufacturer Part Number: XC4VFX40-11FFG672I
• Description: IC FPGA VIRTEX-4 FX 40K 672-FBGA
• Manufacturer: Xilinx Inc
• Series: Virtex™-4r

Specifications of XC4VFX40-11FFG672I

• Number Of Logic Elements/cells: 41904
• Number Of Labs/clbs: 4656
• Total Ram Bits: 2654208
• Number Of I /o: 352
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 672-BBGA, FCBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -

Top-Level View of FIFO Architecture
FIFO Primitive
Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
R
Figure 4-14
write pointer, and status flag logic are dedicated for FIFO use only.
Figure 4-15
wrcount
shows a top-level view of the Virtex-4 FIFO architecture. The read pointer,
shows the FIFO16 primitive.
wrclk
reset
wren
DIN
Figure 4-14: Top-Level View of FIFO in Block RAM
Pointer
Write
www.xilinx.com
Figure 4-15: FIFO16 Primitive
DI[31:0]
DIP[3:0]
RDEN
RDCLK
WREN
WRCLK
RST
waddr
Status Flag
Block RAM
FIFO16
Logic
Core
WRCOUNT[11:0]
ALMOSTEMPTY
RDCOUNT[11:0]
ALMOSTFULL
DOP[3:0]
DO[31:0]
WRERR
Top-Level View of FIFO Architecture
RDERR
EMPTY
FULL
raddr
ug070_4_15_071204
Pointer
Read
UG070_4_14_030708
rdcount
DO
rdclk
rden
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