XC3S100E-4TQG144I Xilinx Inc, XC3S100E-4TQG144I Datasheet - Page 41
![IC FPGA SPARTAN-3E 100K 144-TQFP](/photos/6/70/67094/144tqfp_sml.jpg)
XC3S100E-4TQG144I
Manufacturer Part Number
XC3S100E-4TQG144I
Description
IC FPGA SPARTAN-3E 100K 144-TQFP
Manufacturer
Xilinx Inc
Series
Spartan™-3Er
Datasheet
1.XC3S100E-4TQG144I.pdf
(193 pages)
Specifications of XC3S100E-4TQG144I
Package / Case
144-TQFP, 144-VQFP
Mounting Type
Surface Mount
Voltage - Supply
1.1 V ~ 3.465 V
Operating Temperature
-40°C ~ 100°C
Number Of I /o
108
Number Of Logic Elements/cells
*
Number Of Gates
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
XC3S100E-4TQG144I
Manufacturer:
XILINX/21
Quantity:
163
Company:
Part Number:
XC3S100E-4TQG144I
Manufacturer:
Xilinx Inc
Quantity:
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Part Number:
XC3S100E-4TQG144I
Manufacturer:
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Quantity:
20 000
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Functional Description
Setting the WRITE_MODE attribute to a value of
NO_CHANGE, puts the DO outputs in a latched state when
asserting WE. Under this condition, the DO outputs retain
34
Figure 32: Waveforms of Block RAM Data Operations with NO_CHANGE Selected
Figure 31: Waveforms of Block RAM Data Operations with READ_FIRST Selected
Data_in
ADDR
ADDR
Data_in
CLK
CLK
WE
WE
DO
DO
EN
EN
DI
DI
DISABLED
DISABLED
0000
0000
DI
DI
Internal
Internal
Memory
Memory
XXXX
XXXX
aa
aa
READ
READ
MEM(aa)
MEM(aa)
DO
www.xilinx.com
DO
1111
bb
MEM(bb)=1111
1111
bb
MEM(bb)=1111
WRITE
WRITE
old MEM(bb)
the data driven just before WE is asserted. NO_CHANGE
timing is shown in the portion of
is High.
Prior stored data
No change during write
2222
cc
2222
cc
MEM(cc)=2222
MEM(cc)=2222
WRITE
WRITE
old MEM(cc)
dd
dd
DS312-2_06_020905
DS312-2_07_020905
XXXX
XXXX
READ
READ
Advance Product Specification
MEM(dd)
MEM(dd)
DS312-2 (v1.1) March 21, 2005
Figure 32
during which WE
R
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