XC3S50A Xilinx Corp., XC3S50A Datasheet - Page 12

• Manufacturer Part Number: XC3S50A
• Description: Spartan-3a Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

DC and Switching Characteristics
Power Supply Specifications
Table 5: Supply Voltage Thresholds for Power-On Reset
Table 6: Supply Voltage Ramp Rate
Table 7: Supply Voltage Levels Necessary for Preserving CMOS Configuration Latch (CCL) Contents and RAM
Data
12
Notes:
1.
2.
Notes:
1.
2.
V
SPI Flash, parallel NOR Flash, microcontroller) might have specific requirements. Check the data sheet for the attached configuration
source. Apply V
information).
To ensure successful power-on, V
no dips at any point.
V
SPI Flash, parallel NOR Flash, microcontroller) might have specific requirements. Check the data sheet for the attached configuration
source. Apply V
information).
To ensure successful power-on, V
no dips at any point.
Symbol
V
V
CCINT
CCINT
DRAUX
V
DRINT
V
V
Symbol
V
Symbol
V
V
CCAUXT
CCAUXR
CCINTR
CCINTT
CCO2T
CCO2R
, V
, V
CCAUX
CCAUX
, and V
CCINT
, and V
CCINT
V
V
CCINT
CCAUX
Threshold for the V
Threshold for the V
Threshold for the V
Ramp rate from GND to valid V
Ramp rate from GND to valid V
Ramp rate from GND to valid V
last for lowest overall power consumption (see
last for lowest overall power consumption (see
CCO
CCO
level required to retain CMOS Configuration Latch (CCL) and RAM data
level required to retain CMOS Configuration Latch (CCL) and RAM data
supplies to the FPGA can be applied in any order. However, the FPGA’s configuration source (Platform Flash,
supplies to the FPGA can be applied in any order. However, the FPGA’s configuration source (Platform Flash,
CCINT
CCINT
, V
, V
CCO
CCO
CCINT
CCAUX
CCO
Bank 2, and V
Bank 2, and V
Bank 2 supply
Description
Description
supply
supply
CCINT
CCAUX
CCO
Description
www.xilinx.com
Bank 2 supply level
CCAUX
CCAUX
supply level
supply level
supplies must rise through their respective threshold-voltage ranges with
supplies must rise through their respective threshold-voltage ranges with
UG331
UG331
chapter "Powering Spartan-3 Generation FPGAs" for more
chapter "Powering Spartan-3 Generation FPGAs" for more
Min
Min
0.4
0.8
0.8
0.2
0.2
0.2
DS529-3 (v1.5) July 10, 2007
Max
Max
100
100
100
1.0
2.0
2.0
Product Specification
Min
1.0
2.0
Units
Units
Units
ms
ms
ms
V
V
V
V
V
R