
DS2788
Stand-Alone Fuel-Gauge IC with
LED Display Drivers
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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
> 1µs
> 1µs
t
SLOT
t
RD
t
RD
t
SLOT
30µs15µs 15µs
3µs2µs 1µs 3µs2µs 1µs
30µs15µs 15µs
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
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