DS2490 Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

DS2490

USB to 1-Wire Bridge Chip

Maxim Integrated 

WRITE 1 AND READ DATA TIME SLOT Figure 6

DS2490

NOMINAL TIMING VALUES

SPEED

REGULAR

OVERDRIVE

tLOW1

4µs

1.4µs

tDSO

16µs

1µs

tHIGH1

46µs

8µs

tSLOT

66µs

10.4µs

FLEXIBLE*

4µs to 11µs 10µs to

24µs

46µs

60µs to 81µs

*Powerup defaults for Flexible speed: tLOW1 = 8µs, tDSO = 18µs

WRITE 0 TIME SLOT Figure 7

NOMINAL TIMING VALUES

SPEED

REGULAR

OVERDRIVE

FLEXIBLE*

tLOW0

56µs

7.4µs

56µs

tREC0

16µs

3µs

10µs to

24µs

tSLOT

72µs

10.4µs

66µs to 80µs

*Powerup defaults for Flexible speed: tREC0 = 18µs

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