A54SX08A Datasheet, PDF (29/108 Pages) List of Unclassifed Manufacturers – SX-A Family FPGAs

Where:
C_EQCM = Equivalent capacitance of combinatorial modules
(C-cells) in pF
C_EQSM = Equivalent capacitance of sequential modules (R-Cells) in pF
C_EQI = Equivalent capacitance of input buffers in pF
C_EQO = Equivalent capacitance of output buffers in pF
C_EQCR = Equivalent capacitance of CLKA/B in pF
C_EQHV = Variable capacitance of HCLK in pF
C_EQHF = Fixed capacitance of HCLK in pF
C_{L =} Output lead capacitance in pF
f_m = Average logic module switching rate in MHz
f_n = Average input buffer switching rate in MHz
f_p = Average output buffer switching rate in MHz
f_q1 = Average CLKA rate in MHz
f_q2 = Average CLKB rate in MHz
f_s1 = Average HCLK rate in MHz
m = Number of logic modules switching at fm
n = Number of input buffers switching at fn
p = Number of output buffers switching at fp
q₁ = Number of clock loads on CLKA
q₂ = Number of clock loads on CLKB
r₁ = Fixed capacitance due to CLKA
r₂ = Fixed capacitance due to CLKB
s_{1 =} Number of clock loads on HCLK
x = Number of I/Os at logic low
y = Number of I/Os at logic high
Table 2-11 • CEQ Values for SX-A Devices
A54SX08A
Combinatorial modules (C_EQCM)
Sequential modules (C_EQCM)
Input buffers (C_EQI)
Output buffers (C_EQO)
Routed array clocks (C_EQCR)
Dedicated array clocks – variable
(C_EQHV)
Dedicated array clocks – fixed (C_EQHF)
Routed array clock A (r₁)
1.70 pF
1.50 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
30.00 pF
35.00 pF
A54SX16A
2.00 pF
1.50 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
55.00 pF
50.00 pF
SX-A Family FPGAs
A54SX32A
2.00 pF
1.30 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
110.00 pF
90.00 pF
A54SX72A
1.80 pF
1.50 pF
1.30 pF
7.40 pF
1.05 pF
0.85 pF
240.00 pF
310.00 pF
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