Datasheet
DS2780 Standalone Fuel Gauge IC
29 of 31
Figure 23. 1-Wire Write- And Read-Time Slots
LINE TYPE LEGEND:
Bus master active low
DS2780 active low
Resistor pullup
Both bus master and
DS2780 active low
t
SLOT
V
PULLUP
GND
READ 0 SLOT READ 1 SLOT
t
SLOT
t
REC
>1
s
t
RDV
Master Sample Window Master Sample Window
t
RDV
V
PULLUP
t
SLOT
GND
t
LOW1
t
SLOT
Standard
WRITE 0 SLOT WRITE 1 SLOT
t
LOW0
t
REC
>1
s
DS2780 Sample Window
MIN TYP MAX
15s
15s
30s
DS2780 Sample Window
MIN TYP MAX
15
s
15
s
30s
2s
Overdrive
Mode
1s
3s
1
s
2
s
3s










