MPFS250T datasheet(109/128 Pages) MICROCHIP

109 / 128 page

6.9.2

UJTAG_SEC Switching Characteristics

The following table describes characteristics of UJTAG_SEC switching.

Table 135 • UJTAG Security Performance Characteristics

Condition

Unit

Max

Typ

Min

Symbol

Parameter

MHz

FTCK

TCK frequency

6.9.3

USPI Switching Characteristics

The following section describes characteristics of USPI switching.

Table 136 • SPI Macro Interface Timing Characteristics

Unit

VDDI = 1.2 V

Max

VDDI = 1.5 V

Max

VDDI = 1.8 V

Max

VDDI = 2.5 V

Max

VDDI = 3.3 V

Max

Symbol

Parameter

1.6

1.4

1.2

0.8

TPD_MOSI

Propagation

delay from

4.5

4.25

3.75

3.5

TPD_MISO

the fabric to

pins

4.5

4.25

3.75

3.5

TPD_SS

4.5

4.25

3.75

3.5

TPD_SCK

4.5

4.25

3.75

3.5

TPD_MOSI_O-

4.5

4.25

3.75

3.5

TPD_SS_OE

4.5

4.25

3.75

3.5

TPD_SCK_OE

1. Assumes CL of the relevant I/O standard as described in the input and output delay measurement tables.

Figure 7 • USPI Switching Characteristics

105

Microsemi Proprietary and Confidential. DS0147 Revision 1.0

AC Switching Characteristics

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