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KDS DD3225TQB RTC Module 32.768kHz 3.2x2.5x1.1mm
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KDS DD3225TQB — RTC Module, 32.768kHz, 3.2x2.5x1.1mm SMD. Digital temperature compensated type. Low current consumption.
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KDS DD3225TQB RTC Module
SMD Real Time Clock Module — RTC Module, 32.768kHz, 3.2x2.5x1.1 mm.
Status: Under Development.
Features
- Digital temperature compensated type
- Low current consumption
- High precision: ±5.0×10 -6 (−40 to +85℃), ±8.0×10 -6 (+85 to +105℃)
- I 2C-BUS serial interface: 400kHz fast-mode compatible
- Clock function: hour, minute, second
- Alarm interrupt function: day, day of week, hour, minute
- Fixed-cycle timer interrupt function: 244.14μs to approximately 68 hours
- Time update interrupt function: minute, second
- Clock output function: 32.768kHz, 1024Hz, 1Hz (select one)
- CMOS level output
- AEC-Q200 compliant (Option: Equivalent to AEC-Q100)
Applications
- High precision clock source
- Car navigation, smart meter, data logger
Standard Specification
| Spec. | |
|---|---|
| Item | Legend / Condition |
| Output Frequency | f0 / － / 32.768 / － / kHz |
| Supply Voltage | Vcc +1.6 / － / +5.5 / V (Clock Timing Operating) |
| Frequency Tolerance | −5 / － / +5 ×10 -6 −40 to +85℃ |
| Output:32.768kHz, CL=0pF | |
| Current Consumption | Icc / µA |
| Temperature Compensation Interval 2s | |
| Stand-by Current | |
| I-std | µA / Temperature Compensation Interval 2s |
| Load Condition | L_CMOS － / － / 15 / pF |
| Symmetry | SYM / 40 / － / 60 / % 50%Vcc |
| Rise and Fall Time | tr/tf / － / － / 100 / ns 20 to 80% Vcc Level |
| OE Pin 0 Level Input Voltage VIH 0.95×Vcc － | Vcc / V |
| OE Pin 1 Level Input Voltage VIL Gnd−0.3 － 0.05×Vcc V | |
| Start Up Time | Tstart － / － / 1 / s Vcc=+3V, Ta=+25℃ |
| Packing Unit (1) | 2000pcs./reel （φ180） |
| Moisture sensitivity level : Level 2（IPC/JEDEC J-STD-033） | |
Shenzhen Gaorunxin Technology Co., Ltd
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