R
Power Supply Specifications
Table 3:
Supply Voltage Thresholds for Power-On Reset
Symbol
V
CCINTT
V
CCAUXT
V
CCO2T
Notes:
1.
2.
V
CCINT
, V
CCAUX
, and V
CCO
supplies to the FPGA can be applied in any order. However, the FPGA’s configuration source (SPI Flash, parallel
NOR Flash, microcontroller) might have specific requirements. Check the data sheet for the attached configuration source.
To ensure successful power-on, V
CCINT
, V
CCO
Bank 2, and V
CCAUX
supplies must rise through their respective threshold-voltage ranges with
no dips at any point.
Description
Threshold for the V
CCINT
supply
Threshold for the V
CCAUX
supply
Threshold for the V
CCO
Bank 2 supply
Min
0.4
0.8
0.4
Max
1.0
2.0
1.0
Units
V
V
V
Table 4:
Supply Voltage Ramp Rate
Symbol
V
CCINTR
V
CCAUXR
V
CCO2R
Notes:
1.
2.
V
CCINT
, V
CCAUX
, and V
CCO
supplies to the FPGA can be applied in any order. However, the FPGA’s configuration source (SPI Flash, parallel
NOR Flash, microcontroller) might have specific requirements. Check the data sheet for the attached configuration source.
To ensure successful power-on, V
CCINT
, V
CCO
Bank 2, and V
CCAUX
supplies must rise through their respective threshold-voltage ranges with
no dips at any point.
Description
Ramp rate from GND to valid V
CCINT
supply level
Ramp rate from GND to valid V
CCAUX
supply level
Ramp rate from GND to valid V
CCO
Bank 2 supply level
Min
0.2
0.2
0.2
Max
50
50
50
Units
ms
ms
ms
Table 5:
Supply Voltage Levels Necessary for Preserving RAM Contents
Symbol
V
DRINT
V
DRAUX
Notes:
1.
RAM contents include configuration data.
Description
V
CCINT
level required to retain RAM data
V
CCAUX
level required to retain RAM data
Min
1.0
2.0
Units
V
V
DS635 (v2.0) September 9, 2009
Product Specification
7
XILINX [ XILINX, INC ]
