Maxim Integrated DS1390U-33+T&R, Real Time Clock Serial-SPI, 10-Pin μSOP, Часы реального времени

Real-Time Clock Counts Hundredths of Seconds, Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation Valid Up to 2100
Output Pin Configurable as Interrupt or Square Wave with Programmable Frequency of 32.768kHz, 8.192kHz, 4.096kHz, or 1Hz (DS1390/DS1393/DS1394 Only)
One Time-of-Day Alarm
Power-Fail Detect and Switch Circuitry
Reset Output/Debounced Input (DS1391/DS1393)
Separate SQW and INT Output (DS1392)
Trickle-Charge Capability
SPI Supports Modes 0 and 2 (DS1394)
SPI Supports Modes 1 and 3 (DS1390/DS1391)
3-Wire Interface (DS1392/DS1393)
4MHz at 3.0V and 3.3V
1MHz at 1.8V
Three Operating Voltages: 1.8V ±5%, 3.0V ±10%, and 2.97 to 5.5V (DS1394: 3.3V ±10%)
Industrial Temperature Range: -40°C to +85°C
Applications
Embedded Time Stamping
GPS/Telematics Devices
Handheld Devices
Medical Devices

DS1390U-33+T&R - Datasheet