Datasheet
Table Of Contents
- BENEFITS AND FEATURES
- PIN CONFIGURATIONS
- ORDERING INFORMATION
- DESCRIPTION
- PIN DESCRIPTION
- OPERATION
- READING FROM THE CLOCK REGISTERS
- SPECIAL PURPOSE REGISTERS
- CONTROL REGISTER (READ 0Fh, WRITE 8Fh)
- TRICKLE CHARGE REGISTER (READ 11H, WRITE 91H)
- Figure 3. PROGRAMMABLE TRICKLE CHARGER
- POWER CONTROL
- Figure 4. POWER-SUPPLY CONFIGURATIONS
- SERIAL PERIPHERAL INTERFACE (SPI)
- ADDRESS AND DATA BYTES
- Figure 6. SPI SINGLE-BYTE WRITE
- Figure 7. SPI SINGLE-BYTE READ
- Figure 8. SPI MULTIPLE-BYTE BURST TRANSFER
- FUNCTION
- READING AND WRITING IN BURST MODE
- OPERATING RANGE
- RECOMMENDED DC OPERATING CONDITIONS (Over the operating range, unless otherwise specified.)
- DC ELECTRICAL CHARACTERISTICS (Over the operating range, unless otherwise specified.)
- CAPACITANCE (TA = +25C)
- Figure 10. TIMING DIAGRAM: 3-WIRE READ DATA TRANSFER
- SPI AC ELECTRICAL CHARACTERISTICS (Over the operating range, unless otherwise specified.) (Figure 12 and Figure 13)
- Figure 13. TIMING DIAGRAM: SPI WRITE DATA TRANSFER
- NOTES:
- REVISION HISTORY
DS1305
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.5V to +7.0V
Storage Temperature Range……………………………………………………………….-55°C to +125°C
Soldering Temperature………………………………………….See IPC/JEDEC J-STD-020 Specification
This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect
reliability.
OPERATING RANGE
RANGE
TEMP RANGE
V
CC
(V)
Commercial 0°C to +70°C 2.0 to 5.5 V
CC1
or V
CC2
Industrial -40°C to +85°C 2.0 to 5.5 V
CC1
or V
CC2
RECOMMENDED DC OPERATING CONDITIONS
(Over the operating range, unless otherwise specified.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
V
CC1
, V
CC2
V
CC1
, V
CC2
2.0 5.5 V 7
Logic 1 Input V
IH
2.0 V
CC
+ 0.3 V
Logic 0 Input V
IL
V
CC
= 2.0V
-0.3
+0.3
V
V
CC
= 5V
+0.8
V
BAT
Battery Voltage
V
BAT
2.0
5.5
V
V
CCIF
Supply Voltage
V
CCIF
2.0
5.5
V
11
15 of 22










