Programmable logic type
CPLD
FPGA
FPGA
FPGA
Programmable logic manufacture
Xilinx
Xilinx
Xilinx
Xilinx
Family of programmable logic
XC9500
Spartan IIE
Spartan IIE
Spartan IIE
Speed Grade **
-15
-6
-6
-6
Number of Gates (approx)
3,200
50,000
300,000
300,000
On board Oscillator Frequency
50MHz
100Mhz
100Mhz
100Mhz
Can be powered by PC/104 bus power supplies
Yes
Yes
Yes
Yes
Can be powered by an external DC supply
Yes
Yes
Yes
Yes
Number of User Programmable I/O pins
34
101
101
50
Number of on board user defined LEDs
2
2*
2*
2
Number of on board user defined Switches
2
2*
2*
2
IEEE 1149. JTAG compliant communications port on board
Yes
Yes
Yes
Yes
Xilinx Parallel Cable III circuitry incorporated on board
Yes
No
No
No
User Programmable I/O is selectable between 3.3VDC and 5VDC
Yes
No (3.3VDC only)

No (3.3VDC only)

No (3.3VDC only)
External RAM incorporated on board
None
None
None
4Meg
External EEPROM incorporated on board
None
None
None
512K
Direct Digital Synthesis (DDS) chip incorporated on board
No
No
No
Yes
2 pairs of differential Inputs and 2 pairs of differential Outputs incorporated on board
No
No
No
Yes*
Programmable logic configuration PROM incorporated on board
No (N/A)
Yes
Yes
Yes
Supported by Xilinx Free WebPack Software
Yes
Yes
Yes
Yes
Available in Commercial and Industrial Temperature
Yes
Yes
Yes

Yes

Price per unit for Commercial version. (USD)
$195.00
$295.00
$395.00
$695.00
Price per unit for Industrial version. (USD)
Call
Call
Call
Call
* Utilization of these features subtracts from total number of available user programmable I/O pins.
** Refer to the appropriate programmable logic manufactures component data sheet for a detailed description of speed grade.