DS2777 MAXIM [Maxim Integrated Products], DS2777 Datasheet - Page 41

• Manufacturer Part Number: DS2777
• Description: 2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with Protector and Optional SHA-1 Authentication
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 30. 1-Wire Write and Read Time Slots
Protector and Optional SHA-1 Authentication
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
OVERDRIVE
OVERDRIVE
STANDARD
STANDARD
MODE:
MODE:
V
V
PULLUP
PULLUP
GND
GND
______________________________________________________________________________________
15μs
15μs
t
2μs
2μs
RDV
LINE TYPE LEGEND:
MIN
15μs
1μs
WRITE-ZERO SLOT
DEVICE SAMPLE WINDOW
BUS MASTER ACTIVE LOW
BOTH BUS MASTER AND
SLAVE ACTIVE LOW
READ-ZERO SLOT
MASTER SAMPLE WINDOW
t
LOW0
TYP
t
t
SLOT
SLOT
30μs
3μs
t
REC
MAX
t
REC
> 1μs
> 1μs
t
LOW1
15μs
15μs
t
2μs
2μs
RDV
SLAVE ACTIVE LOW
RESISTOR PULLUP
MIN
15μs
1μs
DEVICE SAMPLE WINDOW
WRITE-ONE SLOT
MASTER SAMPLE WINDOW
READ-ONE SLOT
TYP
t
t
SLOT
SLOT
30μs
3μs
MAX
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