e1217X

e1217X 32-kHz Standard Watch CMOS IC www.datasheet4u.com Features D 32-kHz oscillator D 1.3 V to 1.8 V operating-voltage range D 180 nA typical current consumption D Voltage regulator D Integrated capacitors, mask selectable D Mask options for pad designation, motor period and motor pulse width D Low resistance outputs for bipolar stepping motor D Motor fast-test function Pad Configuration 1 8 General Description The e1217X is an integrated circuit in CMOS Silicon Gate Technology for analog watches. It consists of a 32-kHz oscillator, frequency dividers down to 1/64 Hz, output pulse formers and push-pull motor drivers. For tuning of the crystal, integrated capacitors are provided (selectable mask option). Low current consumption and high oscillator stability are enabled by an on-chip voltage regulator. Pin 1, 4 5, 6, 8 1 to 4 (7/5) or (7/6) 1 to 5, 8 1 to 5, 8 Symbol VSS VDD OSCIN/ OSCOUT MOT 1/2 RESET TEST Function Negative supply voltage Positive supply voltage Oscillator input/output Motor drive outputs Reset input Test input/output 2 7 e1217X 3 6 4 5 95 9979 Figure 1. Chip size 1.06 mm x 1.02 mm Pad size: 112 mm x 112 mm Pad window: 100 mm x 100 mm Absolute Maximum Ratings Parameters Supply voltage Input voltage range, all inputs Output short circuit duration Power dissipation (DIL package) Operating ambient temperature range Storage temperature range Lead temperature during soldering at 2 mm distance, 10 s Symbol VSS VIN Ptot Tamb Tstg Tsld Value –0.3 to +5 (VS...