Maxim DS3234SN#, Clock/Calendar RTC, SPI interface, TCXO/Crystal, 256B SRAM, Alarm, Square Wave Output, 2V to 5.5V supply, -40°C to 85°C, 20-SOIC surface mount.
| Parameter | Value |
|---|---|
| Type | Clock/Calendar |
| Mounting | Surface Mount |
| Supply voltage | 2V ~ 5.5V |
| Voltage - supply, battery | 2V ~ 3.8V |
| Current - timekeeping | 120µA ~ 160µA @ 3.63V ~ 5.5V |
| Interface | SPI |
| Operating temperature | -40°C ~ 85°C |
| Package | Tube |
| Features | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal |
| Date format | YY-MM-DD-dd |
| Memory size | 256B |
| Time format | HH:MM:SS (12/24 hr) |
| Case | 20-SOIC (0.295\", 7.50mm Width) |
The Maxim DS3234SN# is a temperature-compensated real-time clock/calendar with an integrated TCXO and crystal, communicating over SPI. On-chip 256B SRAM stores calibration or configuration data without tying up a separate EEPROM. The alarm output and programmable square wave save a timer channel on the host MCU.
Fully ROHS3 compliant, so it passes European and domestic RoHS requirements without exemption paperwork.
The DS3234SN# uses a standard 4-wire SPI interface for communication with the host microcontroller. It supports read/write access to the timekeeping registers, alarms, and the 256B SRAM.
Yes, the DS3234SN# is ROHS3 compliant, meeting the latest European RoHS directive without exemptions.