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ContactDS3234SN#
20 Terminations3.3V 20 Pin DS3234 Real Time ClocksTimer or RTC SubcategoryAlarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 0.032MHz
- Manufacturer: Maxim Integrated
- NO: 503-DS3234SN#
- Package: 20-SOIC (0.295, 7.50mm Width)
- Datasheet:
- Stock: 2018
- Description: 20 Terminations3.3V 20 Pin DS3234 Real Time ClocksTimer or RTC SubcategoryAlarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal 0.032MHz (Kg)
- Delivery:
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| Parameters | |
|---|---|
| Factory Lead Time | 6 Weeks |
| Contact Plating | Tin |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295, 7.50mm Width) |
| Number of Pins | 20 |
| Weight | 800.987426mg |
| Operating Temperature | -40°C~85°C |
| Packaging | Tube |
| Published | 2010 |
| JESD-609 Code | e3 |
| Feature | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| ECCN Code | EAR99 |
| Type | Clock/Calendar |
| HTS Code | 8542.39.00.01 |
| Subcategory | Timer or RTC |
| Technology | CMOS |
| Voltage - Supply | 2V~5.5V |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage | 3.3V |
| Terminal Pitch | 1.27mm |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | DS3234 |
| Pin Count | 20 |
| Operating Supply Voltage | 3.3V |
| Interface | SPI |
| Memory Size | 256B |
| Number of Bits | 8 |
| Clock Frequency | 0.032MHz |
| Logic Function | Clock |
| Number of Timers | 1 |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Current - Timekeeping (Max) | 120μA~160μA @ 3.63V~5.5V |
| Time-Min | SECONDS |
| Interrupt Capability | Y |
| Voltage - Supply, Battery | 2V~3.8V |
| Volatile | NO |
| Height | 2.35mm |
| Length | 13mm |
| Width | 7.6mm |
| Radiation Hardening | No |
| REACH SVHC | Unknown |
| RoHS Status | ROHS3 Compliant |
DS3234SN# Description
The DS3234SN# is a temperature-compensated crystal oscillator (TCXO), integrated crystal, and SRAM-equipped SPI bus C Real-time Clock. To monitor VCC, the DS3234 has a precise, temperature-compensated voltage reference and comparator circuit. When VCC falls below both VBAT and the power-fail voltage (VPF), the device asserts the RST output and also turns off read and write access to the part. For the purpose of producing a P reset, the RST pin is watched as a pushbutton input. When the main power to the device is stopped, the device shifts to the backup supply input and maintains precise timekeeping.
DS3234SN# Features
Register for aging trim
Programmable square-wave output
±3°C Accuracy digital temp sensor output
Underwriters Laboratories® (UL) recognized
Completely manages all timekeeping functions
Battery-backup input for continuous timekeeping
Simple serial interface connects to most microcontrollers
DS3234SN# Applications
Metering
Sensing & Instrumentation
Communications & Networking
