e1217d is a cmos silicon gate technology integrated circuit for analog watches produced by telefunken. the circuit consists of a 32khz oscillator, frequency dividers, output pulse formers and push-pull motor drivers. the circuit also includes optional tuning capacitor for tuning the crystal. in addition, the circuit achieves low current consumption and high oscillator stability through an on-chip voltage regulator.
The TEMIC e1217D is an integrated circuit in CMOS Silicon Gate Technology specifically designed for use in analog watches. It functions as a complete timekeeping module, incorporating a 32 kHz oscillator, frequency dividers, and push-pull motor drivers to control the watch hands.
Key features include a low operating voltage range of 1.3V to 1.8V with typical current consumption of 180 nA. The device includes an on-chip voltage regulator for stability and integrated capacitors that are selectable via mask options. It is available in a small chip size measuring 1.06 mm x 1.02 mm.
| Oscillator Frequency | 32 kHz |
|---|---|
| Operating Voltage Range | 1.3 - 1.8 V |
| Typical Current Consumption | 180 nA |
| Operating Ambient Temperature Range | -20 to +70 °C |
| Chip Size | 1.06 mm x 1.02 mm |
The typical current consumption is 180 nA.
Yes, it includes a voltage regulator to improve oscillator stability and minimize current consumption.