XC3S250E-4FTG256C Xilinx Inc, XC3S250E-4FTG256C Datasheet - Page 132

IC SPARTAN-3E FPGA 250K 256-FTBG

XC3S250E-4FTG256C

Manufacturer Part Number
XC3S250E-4FTG256C
Description
IC SPARTAN-3E FPGA 250K 256-FTBG
Manufacturer
Xilinx Inc
Series
Spartan™-3Er
Datasheet

Specifications of XC3S250E-4FTG256C

Total Ram Bits
221184
Number Of Logic Elements/cells
5508
Number Of Labs/clbs
612
Number Of I /o
172
Number Of Gates
250000
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
256-LBGA
No. Of Logic Blocks
5508
No. Of Gates
250000
No. Of Macrocells
5508
No. Of Speed Grades
4
No. Of I/o's
190
Clock Management
DLL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
122-1482

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0
DC and Switching Characteristics
Table 93: Timing for the IOB Three-State Path
132
Notes:
1.
2.
3.
Synchronous Output Enable/Disable Times
T
T
Asynchronous Output Enable/Disable Times
T
Set/Reset Times
T
T
IOCKHZ
IOCKON
GTS
IOSRHZ
IOSRON
Symbol
The numbers in this table are tested using the methodology presented in
Table 77
This time requires adjustment whenever a signal standard other than LVCMOS25 with 12 mA drive and Fast slew rate is assigned to the data
Output. When this is true, add the appropriate Output adjustment from
For minimum delays use the values reported by the Timing Analyzer.
(2)
(2)
and
Table
Time from the active transition at the OTCLK
input of the Three-state Flip-Flop (TFF) to
when the Output pin enters the
high-impedance state
Time from the active transition at TFF’s
OTCLK input to when the Output pin drives
valid data
Time from asserting the Global Three State
(GTS) input on the STARTUP_SPARTAN3E
primitive to when the Output pin enters the
high-impedance state
Time from asserting TFF’s SR input to when
the Output pin enters a high-impedance state
Time from asserting TFF’s SR input at TFF to
when the Output pin drives valid data
80.
Description
www.xilinx.com
Table
LVCMOS25,
12 mA output
drive, Fast slew
rate
LVCMOS25,
12 mA output
drive, Fast slew
rate
LVCMOS25,
12 mA output
drive, Fast slew
rate
Table 95
Conditions
94.
and are based on the operating conditions set forth in
Device
All
All
All
All
All
DS312-3 (v3.8) August 26, 2009
Speed Grade
Max
1.49
2.70
8.52
2.11
3.32
-5
Product Specification
Max
1.71
3.10
9.79
2.43
3.82
-4
Units
ns
ns
ns
ns
ns
R

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