Features: • 32-kHz Oscillator• 1.3 V to 1.8 V Operating-voltage Range• 180 nA Typical Current Consumption• Voltage Regulator• Integrated Capacitors, Mask Selectable• Mask Options for Pad Designation, Motor Period and Motor Pulse Width• Low Resistance Outpu...
E1217X_1211273: Features: • 32-kHz Oscillator• 1.3 V to 1.8 V Operating-voltage Range• 180 nA Typical Current Consumption• Voltage Regulator• Integrated Capacitors, Mask SelectableR...
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• 32-kHz Oscillator
• 1.3 V to 1.8 V Operating-voltage Range
• 180 nA Typical Current Consumption
• Voltage Regulator
• Integrated Capacitors, Mask Selectable
• Mask Options for Pad Designation, Motor Period and Motor Pulse Width
• Low Resistance Outputs for Bipolar Stepping Motor
• Motor Fast-test Function
Absolute maximum ratings define parameter limits which, if exceeded, may permanently change or damage the device.
All inputs and outputs on Atmel's circuits are protected against electrostatic discharges. However, precautions to minimize the build-up of electrostatic charges during handling are recommended.
The circuit is protected against supply-voltage reversal for typically 5 minutes.
Parameters |
Symbol |
Value |
Unit |
Supply voltage |
VSS |
-0.3 to +5 |
V |
Input voltage range, all inputs |
VIN |
(VSS - 0.3 V) VIN (VDD + 0.3 V) |
V |
Output short-circuit duration |
indefinite |
||
Power dissipation (DIL package) |
Ptot |
125 |
mW |
Operating ambient temperature range |
Tamb |
-20 to +70 |
|
Storage temperature range |
Tstg |
-40 to +125 |
|
Lead temperature during soldering at 2 mm distance, 10 s |
Tsld |
260 |
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. Integrated capacitors are provided (selectable mask option) for tuning of the crystal. Low current consumption and high oscillator stability are enabled by an on-chip voltage regulator.