MCP2558FD datasheet(16/36 Pages) MICROCHIP

16 / 36 page

MCP2557FD/8FD

DS20005533A-page 16

 2016 Microchip Technology Inc.

FIGURE 2-3:

TEST LOAD CONDITIONS

13c

Transmitted Bit Time on

Bus – 5 Mbps

tBIT(BUS), 5M

155

200

210

tBIT(TXD) = 200 ns

(Figure 2-9) (Note 1)

13d

Transmitted Bit Time on

Bus - 8Mbps

(Note 2)

tBIT(BUS), 8M

100

125

140

tBIT(TXD)= 120 ns

(Figure 2-9) (Note 1)

14a

Receiver Timing

Symmetry – 1 Mbps

(Note 2)

tDIFF(REC), 1M

tBIT(RXD)

tBIT(BUS)

-65

tBIT(TXD) = 1000 ns

(Figure 2-9)

-130

tBIT(TXD) = 1000 ns

(Figure 2-9), RL = 150

,

CL = 200 pF (Note 1)

14b

Receiver Timing

Symmetry – 2 Mbps

tDIFF(REC), 2M

-65

tBIT(TXD)= 500 ns

(Figure 2-9)

-70

tBIT(TXD)= 500 ns

(Figure 2-9), RL = 150

,

CL = 200 pF (Note 1)

14c

Receiver Timing

Symmetry – 5 Mbps

tDIFF(REC), 5M

-45

tBIT(TXD)= 200 ns

(Figure 2-9) (Note 1)

14d

Receiver Timing

Symmetry – 8 Mbps

(Note 2) tDIFF(REC),8M

tDIFF(REC), 8M

-45

tBIT(TXD)= 120 ns

(Figure 2-9) (Note 1)

TABLE 2-2:

AC CHARACTERISTICS (CONTINUED)

AC Characteristics

Electrical Characteristics: Unless otherwise indicated, TAMB = -40°C to

+150°C; VDD = 4.5V to 5.5V, VIO = 1.7V to 5.5V (Note 2), RL = 60

CL = 100 pF.

Maximum VDIFF(D)(I)= 3V.

Param.

No.

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1: Characterized, not 100% tested.

2: Not in ISO/DIS-11898-2:2015, but needs to be characterized.

VDD/2

VSS

RL =464



CL = 50 pF

for all digital pins

Load Condition 1

Load Condition 2

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