FLEX 10KE Embedded Programmable Logic Devices Data Sheet
Table 5. FLEX 10KE Performance
Application
Resources Used
Performance
Units
LEs
EABs -1 Speed Grade -2 Speed Grade -3 Speed Grade
16-bit loadable counter
16-bit accumulator
16
16
0
0
0
0
285
285
3.5
250
250
4.9
200
200
7.0
93
MHz
MHz
ns
16-to-1 multiplexer (1)
10
16-bit multiplier with 3-stage
592
156
131
MHz
pipeline (2)
256 × 16 RAM read cycle
speed (2)
0
0
1
1
196
185
154
143
118
106
MHz
MHz
256 × 16 RAM write cycle
speed (2)
Notes:
(1) This application uses combinatorial inputs and outputs.
(2) This application uses registered inputs and outputs.
Table 6 shows FLEX 10KE performance for more complex designs. These
designs are available as Altera MegaCore® functions.
Table 6. FLEX 10KE Performance for Complex Designs
Application
LEs Used
Performance
Units
-1 Speed Grade -2 Speed Grade -3 Speed Grade
8-bit, 16-tap parallel finite impulse
response (FIR) filter
597
192
156
116
MSPS
8-bit, 512-point fast Fourier
transform (FFT) function
1,854
23.4
113
36
28.7
92
38.9
68
µs (1)
MHz
MHz
a16450universal asynchronous
342
28
20.5
receiver/transmitter (UART)
Note:
(1) These values are for calculation time. Calculation time = number of clocks required/ f
. Number of clocks
max
required = ceiling [log 2 (points)/ 2] × [points +14 + ceiling]
Altera Corporation
5
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