XC3SD1800A-4CS484I Xilinx Inc, XC3SD1800A-4CS484I Datasheet - Page 45

• Manufacturer Part Number: XC3SD1800A-4CS484I
• Description: FPGA Spartan®-3A Family 1.8M Gates 37440 Cells 667MHz 90nm Technology 1.2V 484-Pin LCSBGA
• Manufacturer: Xilinx Inc

Specifications of XC3SD1800A-4CS484I

• Package: 484LCSBGA
• Family Name: Spartan®-3A
• Device Logic Units: 37440
• Device System Gates: 1800000
• Maximum Internal Frequency: 667 MHz
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 309
• Ram Bits: 1548288

Table 37: Switching Characteristics for the DLL
DS610 (v3.0) October 4, 2010
Product Specification
Output Frequency Ranges
CLKOUT_FREQ_CLK0
CLKOUT_FREQ_CLK90
CLKOUT_FREQ_2X
CLKOUT_FREQ_DV
Output Clock Jitter
CLKOUT_PER_JITT_0
CLKOUT_PER_JITT_90
CLKOUT_PER_JITT_180
CLKOUT_PER_JITT_270
CLKOUT_PER_JITT_2X
CLKOUT_PER_JITT_DV1
CLKOUT_PER_JITT_DV2
Duty Cycle
CLKOUT_DUTY_CYCLE_
DLL
Phase Alignment
CLKIN_CLKFB_PHASE
CLKOUT_PHASE_DLL
Lock Time
LOCK_DLL
Symbol
(3)
(4)
(4)
(2)(3)(4)
Frequency for the CLK0 and CLK180 outputs
Frequency for the CLK90 and CLK270 outputs
Frequency for the CLK2X and CLK2X180 outputs
Frequency for the CLKDV output
Period jitter at the CLK0 output
Period jitter at the CLKDV output when performing
integer division
Period jitter at the CLKDV output when performing
non-integer division
Duty cycle variation for the CLK0, CLK90, CLK180,
CLK270, CLK2X, CLK2X180, and CLKDV outputs,
including the BUFGMUX and clock tree duty-cycle
distortion
outputs
When using the DLL alone:
The time from deassertion at
the DCM’s Reset input to the
rising transition at its LOCKED
output. When the DCM is
locked, the CLKIN and CLKFB
signals are in phase
Period jitter at the CLK90 output
Period jitter at the CLK180 output
Period jitter at the CLK270 output
Period jitter at the CLK2X and CLK2X180 outputs
Phase offset between the CLKIN and CLKFB inputs
Phase offset between DLL
Description
Spartan-3A DSP FPGA Family: DC and Switching Characteristics
www.xilinx.com
5 MHz < FCLKIN <
FCLKIN > 15 MHz
(not CLK2X180)
CLK0 to CLK2X
All others
15 MHz
Device
All
All
All
All
All
0.3125
Min
10
5
5
–
–
–
–
–
–
–
–
–
–
–
–
–
-5
±[1% of
±[1% of
±[1% of
±[0.5%
±[0.5%
CLKIN
CLKIN
CLKIN
CLKIN
CLKIN
period
+ 100]
period
+ 100]
period
+ 350]
period
+ 100]
period
+ 150]
±100
±150
±150
±150
±150
±150
Speed Grade
Max
280
200
334
186
600
of
of
5
0.3125
Min
10
5
5
–
–
–
–
–
–
–
–
–
–
–
–
–
-4
±[1% of
±[1% of
±[1% of
±[0.5%
±[0.5%
CLKIN
CLKIN
CLKIN
CLKIN
CLKIN
period
+ 100]
period
+ 100]
period
+ 350]
period
+ 100]
period
+ 150]
±100
±150
±150
±150
±150
±150
Max
250
200
334
166
600
of
of
5
Units
MHz
MHz
MHz
MHz
ms
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
µs
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