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Rainbow Electronics DS2788 User Manual

Page 29

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D
S

2

7

8

8

Stand-Alone Fuel-Gauge IC with

LED Display Drivers

______________________________________________________________________________________

29

RESISTOR PULLUP

BUS MASTER ACTIVE LOW

LINE TYPE LEGEND:

DS2788 ACTIVE LOW

BOTH BUS MASTER AND

DS2788 ACTIVE LOW

t

SLOT

t

LOW0

t

REC

t

REC

t

LOW

> 1

µs

> 1

µs

t

SLOT

t

RD

t

RD

t

SLOT

30

µs

15

µs

15

µs

3

µs

2

µs

1

µs

3

µs

2

µs

1

µs

30

µs

15

µs

15

µs

t

SLOT

V

PULLUP

WRITE-0 SLOT

WRITE-1 SLOT

READ-0 SLOT

READ-1 SLOT

GND

V

PULLUP

GND

MASTER SAMPLE WINDOW

MASTER SAMPLE WINDOW

MODE:

STANDARD

OVERDRIVE

DS2788 SAMPLE WINDOW

MIN TYP MAX

DS2788 SAMPLE WINDOW

MIN TYP MAX

Figure 23. 1-Wire Write- and Read-Time Slots