Spartan-XL Family Voltage Compatibility
Any
5 V
device
SpartanXL
FPGA
Advanced 0.35?
3.3V Core
3.3V I/O
5V
3.3V
5V
3.3V
Meets TTL
Levels
Spartan inputs accept 5V signals
Spartan outputs drive standard TTL
100% compatible in 5 volt environment
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