XC4028EX-3HQ208C Xilinx Inc, XC4028EX-3HQ208C Datasheet - Page 49

• Manufacturer Part Number: XC4028EX-3HQ208C
• Description: IC FPGA 1024 CLB'S 208-HQFP
• Manufacturer: Xilinx Inc
• Series: XC4000E/Xr

Specifications of XC4028EX-3HQ208C

• Number Of Logic Elements/cells: 2432
• Number Of Labs/clbs: 1024
• Total Ram Bits: 32768
• Number Of I /o: 160
• Number Of Gates: 28000
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 208-BFQFP Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 122-1127

May 14, 1999 (Version 1.6)
Figure 47: Start-up Timing
CCLK_NOSYNC
UCLK_NOSYNC
R
CCLK_SYNC
UCLK_SYNC
XC4000E/X
XC4000E/X
XC4000E/X
XC4000E/X
XC2000
XC3000
CCLK
Synchronization
Product Obsolete or Under Obsolescence
Uncertainty
Global Reset
Global Reset
DONE
I/O
DONE
I/O
DONE
I/O
DONE
I/O
DONE
I/O
DONE
I/O
GSR Active
GSR Active
GSR Active
GSR Active
Length Count Match
C1, C2 or C3
XC4000E and XC4000X Series Field Programmable Gate Arrays
DONE IN
C1
C1
C1
Di
Di
DONE IN
Di+1
Di+1
C2
C2
C2
F
U2
U2
U2
U2
Di
UCLK Period
Di
Di+1
Di+1
U3
U3
U3
F
C3
C3
C3
CCLK Period
Di+2
Di+2
U4
U4
U4
F
F
C4
C4
C4
F
F
X9024
F = Finished, no more
configuration clocks needed
Daisy-chain lead device
must have latest F
Heavy lines describe
default timing
6-53
6