Product Summary

The DS1390U-33+ is a low-voltage SPI/3-Wire RTC with trickle charger. Its applications include Hand-Held Devices, GPS/Telematics Devices, Embedded Time Stamping, Medical Devices.

Parametrics

DS1390U-33+ absolute maximum ratings: (1)voltage range on VCC pin relative to ground: -0.3 to 6V; (2)voltage range on inputs relative to ground: -0.3 to VCC+0.3V; (3)operating temperature range: -40 to 85℃; (4)storage temperature range: -55 to 125℃.

Features

DS1390U-33+ features: (1)Reset Output/Debounced Input (DS1391/DS1393); (2)Separate SQW and INT Output (DS1392); (3)Trickle-Charge Capability; (4)SPI Supports Modes 0 and 2 (DS1394); (5)SPI Supports Modes 1 and 3 (DS1390/DS1391); (6)3-Wire Interface (DS1392/DS1393).

Diagrams

DS1390U-33+ functional diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
DS1390U-33+
DS1390U-33+
Maxim Integrated Products
Real Time Clock Low-V SPI/3-Wire With Trickle Charger
Data Sheet
0-1: $2.44
1-25: $1.63
25-50: $1.03
50-250: $0.98
DS1390U-33+T&R
DS1390U-33+T&R
Maxim Integrated Products
Real Time Clock Low-V SPI/3-Wire With Trickle Charger
Data Sheet
0-1: $1.97
1-25: $1.48
25-50: $1.32
50-100: $1.30