IO13PDB0V0 datasheet(69/197 Pages) MICROSEMI

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SmartFusion Customizable System-on-Chip (cSoC)

Re vi s i on 12

2 - 57

Timing Characteristics

VersaTile Specifications as a Sequential Module

The SmartFusion library offers a wide variety of sequential cells, including flip-flops and latches. Each

has a data input and optional enable, clear, or preset. In this section, timing characteristics are presented

for a representative sample from the library. For more details, refer to the IGLOO/e, Fusion, ProASIC3/E,

and SmartFusion Macro Library Guide

Table 2-78 • Combinatorial Cell Propagation Delays

Worst Commercial-Case Conditions: TJ = 85°C, Worst-Case VCC = 1.425 V

Combinatorial Cell

Equation

Parameter

–1

Std.

Units

INV

Y = !A

tPD

0.41

0.49

AND2

Y = A · B

tPD

0.48

0.57

NAND2

Y = !(A · B)

tPD

0.48

0.57

OR2

Y = A + B

tPD

0.49

0.59

NOR2

Y = !(A + B)

tPD

0.49

0.59

XOR2

Y = A

⊕ BtPD

0.75

0.90

MAJ3

Y = MAJ(A, B, C)

tPD

0.71

0.85

XOR3

Y = A

⊕ B ⊕ CtPD

0.89

1.07

MUX2

Y = A !S + B S

tPD

0.51

0.62

AND3

Y = A · B · C

tPD

0.57

0.68

Note:

For specific junction temperature and voltage supply levels, refer to Table 2-7 on page 2-9 for

derating values.

Figure 2-25 • Sample of Sequential Cells

DFN1

Data

CLK

Out

DFN1C1

Data

CLK

Out

CLR

DFI1E1P1

Data

CLK

Out

PRE

DFN1E1

Data

CLK

Out

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