RTC Modules
Classification:
• Built-in 32.768kHz Crystal Unit • Operating Voltage:1.8~5.5 V • Low current consumption:2.2μA@3V(typical) • Multiple functions such as calendar, alarms and time keeping • In accordance with SOP8 standard • Interface Type:I²C(400kHz) • Clock Circuit Voltage:1.8~5.5 V • Frequency Output Function:CMOS Output or Open Drain Output • Automotive Leap Year Adjustment
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Wide temperature range
Ultra miniaturization
Ultra low jitter
High stability
Ultra-high frequency
Products
Product Details
FEATURES AND APPLICATIONS
• Built-in 32.768kHz Crystal Unit
• Operating Voltage:1.8~5.5 V
• Low current consumption:2.2μA@3V(typical)
• Multiple functions such as calendar, alarms and time keeping
• In accordance with SOP8 standard
• Interface Type:I2C(400kHz)
• Clock Circuit Voltage:1.8~5.5 V
• Frequency Output Function:CMOS Output or Open Drain Output
• Automotive Leap Year Adjustment
STRUCTURE
OVERVIEW
• InterfaceType:High-speed IC2-bus standards(400kHz)
• Frequency Output Function: CMOS output andopen drain output available;output frequency:32.768kHz,1024Hz,1Hz available
• Timer: Setting range between 1/4096s to 65535hours;Timing period: 1 hour, 1 minute, 64Hzand 4096Hz
• Alarm: Week, day, hour, minute
EXTERNAL DIMENSIONS
FREOUENCY CHARACTERISTICS
| Item | Symbol | Conditions | Min. | Typ. | Max. | Unit. |
| Frequency Tolerance | ▲f/f |
Ta=25℃ VDD=3.0V |
5±23※ | ppm | ||
| Start-up Time | tSTA |
Ta=25℃ VDD=1.8V |
0.9 | S | ||
|
Ta=-40~85℃ VDD=1.8V~5.5V |
2.0 | S | ||||
※ Equals to a monthly tolerance of ±l minute per month
CURRENT CONSUMPTION CHARACTERISTICS
| Item | Symbol | Conditions | Minimum | Typical | Maximum | Unit. | |
|
Current Consumption |
IDD1 |
FOE=GND Fout=Hi-Z |
VDD=5V | 2.6 | uA | ||
| IDD2 | VDD=3V | 2.5 | |||||
| IDD3 |
FOE=VDD Fout=32.768kHz CL=0pF |
VDD=5V | 3.6 | ||||
| IDD4 | VDD=3V | 3.0 | |||||
| IDD5 |
FOE=VDD Fout=32.768kHz CL=30pF |
VDD=5V | 7.5 | ||||
| IDD6 | VDD=3V | 6.2 | |||||
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