A54SX08A-PQG208I Microsemi, A54SX08A-PQG208I Datasheet - Page 29

• Manufacturer Part Number: A54SX08A-PQG208I
• Description: Ic Fpga Sx 12k Gates 208-Pqfp
• Manufacturer: Microsemi

Where:
Table 2-11 • CEQ Values for SX-A Devices
C
Combinatorial modules (C
Sequential modules (C
Input buffers (C
Output buffers (C
Routed array clocks (C
Dedicated array clocks – variable
(C
Dedicated array clocks – fixed (C
Routed array clock A (r
C
C
C
C
EQCM
C
EQSM
EQHV
EQCR
EQHV
EQHF
C
EQO
f
f
EQI
f
f
q
q
q1
q2
C
m = Number of logic modules switching at fm
f
f
s1
r
r
m
s
n = Number of input buffers switching at fn
p = Number of output buffers switching at fp
n
p
1
2
1
2
x = Number of I/Os at logic low
y = Number of I/Os at logic high
1 =
L =
)
= Equivalent capacitance of combinatorial modules
= Equivalent capacitance of sequential modules (R-Cells) in pF
= Equivalent capacitance of input buffers in pF
= Equivalent capacitance of output buffers in pF
= Equivalent capacitance of CLKA/B in pF
= Variable capacitance of HCLK in pF
= Fixed capacitance of HCLK in pF
= Average logic module switching rate in MHz
= Average input buffer switching rate in MHz
= Average output buffer switching rate in MHz
= Average CLKA rate in MHz
= Average CLKB rate in MHz
= Average HCLK rate in MHz
= Number of clock loads on CLKA
= Number of clock loads on CLKB
= Fixed capacitance due to CLKA
= Fixed capacitance due to CLKB
(C-cells) in pF
Output lead capacitance in pF
Number of clock loads on HCLK
EQI
EQO
)
)
EQCR
EQCM
1
)
EQCM
)
)
)
EQHF
)
A54SX08A
30.00 pF
35.00 pF
1.70 pF
1.50 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
v5.3
A54SX16A
55.00 pF
50.00 pF
2.00 pF
1.50 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
A54SX32A
110.00 pF
90.00 pF
2.00 pF
1.30 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
SX-A Family FPGAs
A54SX72A
240.00 pF
310.00 pF
1.80 pF
1.50 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
2-9