DS2778 Maxim Integrated Products, DS2778 Datasheet - Page 42
DS2778
Manufacturer Part Number
DS2778
Description
2-Cell Stand-Alone Li+ Fuel-Gauge IC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2778.pdf
(46 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
DS2778G+
Manufacturer:
MAXIM/美信
Quantity:
20 000
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Part Number:
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Manufacturer:
SONY
Quantity:
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Part Number:
DS2778G+T&R
Manufacturer:
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Quantity:
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2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
Protector and Optional SHA-1 Authentication
Figure 30. 1-Wire Write and Read Time Slots
42
______________________________________________________________________________________
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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