XC3S250E Xilinx, Inc., XC3S250E Datasheet - Page 105

• Manufacturer Part Number: XC3S250E
• Description: Spartan-3E FPGA Family
• Manufacturer: Xilinx, Inc.

DC and Switching Characteristics
Table 2: Supply Voltage Thresholds for Power-On Reset
Table 3: Power Voltage Levels Necessary for Preserving RAM Contents
Table 4: General Recommended Operating Conditions
2
Notes:
1.
2.
Notes:
1.
Notes:
1.
2.
V
To ensure successful power-on, V
no dips at any point.
Symbol
RAM contents include configuration data.
The V
specific to each of the single-ended I/O standards is given in
Only during DCM operation, it is recommended that the rate of change of V
V
V
V
CCINT
V
Symbol
DRAUX
V
V
DRINT
V
CCAUX
Symbol
V
V
DRO
CCO
CCAUXT
CCINT
CCINTT
CCO2T
T
CCO
, V
J
(1)
CCAUX
(2)
range given here spans the lowest and highest operating voltages of all supported I/O standards. The recommended V
, and V
V
V
V
CCINT
CCAUX
CCO
Junction temperature
Internal supply voltage
Output driver supply voltage
Auxiliary supply voltage
Threshold for the V
Threshold for the V
Threshold for the V
CCO
level required to retain RAM data
level required to retain RAM data
level required to retain RAM data
supplies may be applied in any order.
CCINT
, V
CCO
Description
CCINT
CCAUX
CCO
Bank 2, and V
Description
Bank 2 supply
supply
supply
Description
Commercial
Industrial
www.xilinx.com
CCAUX
Table
supplies must rise through their respective threshold-voltage ranges with
7, and that specific to the differential standards is given in
CCAUX
not exceed 10 mV/ms.
1.140
1.140
2.375
Min
–40
0
Min
0.4
0.8
0.4
1.200
2.500
Nom
-
-
-
Advance Product Specification
DS312-3 (v1.0) March 1, 2005
Max
1.0
2.0
1.0
Min
1.260
3.450
2.625
1.0
2.0
1.0
Max
100
85
Table
Units
CCO
Units
Units
V
V
V
V
V
V
°C
°C
9.
V
V
V
range
R