Datasheet
Table Of Contents
- DS1302
- Trickle-Charge Timekeeping Chip
- TYPICAL OPERATING CHARACTERISTICS
- PIN DESCRIPTION
- DATA INPUT
- DATA OUTPUT
- BURST MODE
- CLOCK/CALENDAR
- CLOCK HALT FLAG
- WRITE-PROTECT BIT
- TRICKLE-CHARGE REGISTER
- RAM
- RAM BURST MODE
- REGISTER SUMMARY
- CRYSTAL SELECTION
- CLOCK BURST
- RAM BURST
- V
- CAPACITANCE
- AC ELECTRICAL CHARACTERISTICS
- tCDH
DS1302 Trickle-Charge Timekeeping Chip
REVISION HISTORY
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
120208
Removed the leaded parts and references to the 16-pin SO package. 1, 4, 12
In the Features section, changed the 31 x 8 RAM feature to indicate that it is
battery backed.
1
Updated Figure 1 and removed original Figure 2 (oscillator circuit). 3, 5
Added a new Table 2 for the trickle charger resistor and diode select. 7
Replaced the timing diagrams (Figures 6 and 7). 12
Added Package Information table.
12
3/15
Updated Benefits and Features section
1
13 of 13
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