DS1283 Maxim Integrated Products, DS1283 Datasheet

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... The DS1283 is specifically designed to maintain internal operations from a single low voltage supply. In fact, the only two external compo- nents required by the DS1283 are a battery and crystal. For a complete description of operating conditions, electrical characteristics, bus timing, and pin descrip- ...

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... INTA as programmed by the IPSW bit. However, INTP is also logically ORed with the MSB of the date register (see Figure 1). This bit is called the INP bit on the DS1283 and is forced to zero on the DS1286. When the INP bit (interrupt P bit) is set to log- ) ical one, interrupt P will be held active low ...

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... DS1283 WATCHDOG TIMEKEEPER REGISTERS Figure 1 CLOCK, CALENDAR, TIME OF DAY ALARM REGISTERS THIS BIT IS FORCED TO ZERO ON THE DS1286 COMMAND REGISTERS WATCHDOG ALARM REGISTERS (RETRIGGERABLE/ REPETITIVE COUNTDOWN ALARM) USER REGISTERS BIT 7 ADDRESS 0 0.1 SECONDS SECONDS 0 10 MINUTES MIN ALARM 10 12/ A 12/24 A DATE INP ...

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... DS1283 DS1283 28–PIN DIP 032697 4 PKG 28–PIN DIM MIN MAX A IN. 1.445 1.470 MM B IN. 0.530 0.550 MM C IN. 0.140 0.160 MM D IN. 0.600 0.625 MM E IN. 0.015 0.040 MM F IN. 0.120 0.145 MM G IN. 0.090 0.110 MM H IN. 0.625 0.675 MM J IN. 0.008 0.012 MM K IN. 0.015 0.022 MM ...

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... DS1283 28–PIN SOIC 0–8 deg. typ DS1283 PKG 28–PIN DIM MIN MAX A IN. 0.706 0.728 MM 17.93 18.49 B IN. 0.338 0.350 MM 8.58 8.89 C IN. 0.086 0.110 MM 2.18 2.79 D IN. 0.020 0.050 MM 0.58 1.27 E IN. 0.002 0.014 MM 0.05 0.36 F IN. 0.090 0.124 MM 2.29 3 ...