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| Part Number | DS3234S#T&R | DS3234SN#T&R | DS3231S#T&R | DS3232S#T&R |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Active |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal | Alarm, Leap Year, Square Wave Output, TCXO/Crystal | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal |
| Memory Size | 256B | 256B | - | 236B |
| Time Format | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | SPI | SPI | I²C, 2-Wire Serial | I²C, 2-Wire Serial |
| Voltage - Supply | 2V ~ 5.5V | 2V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V |
| Voltage - Supply, Battery | 2V ~ 3.8V | 2V ~ 3.8V | 2.3V ~ 5.5V | 2.3V ~ 5.5V |
| Current - Timekeeping (Max) | 120µA ~ 160µA @ 3.63V ~ 5.5V | 120µA ~ 160µA @ 3.63V ~ 5.5V | 110µA ~ 170µA @ 3.63V ~ 5.5V | 120µA ~ 160µA @ 3.3V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC | 20-SOIC | 16-SOIC | 20-SOIC |
