DD3225TS
Features
- Digital temperature compensated type
- High precision：
±5.0×10-6（-40 to 85℃）
±7.0×10-6（-40 to 105℃） - Low current consumption
- Low voltage operation：
+1.5 to +5.5V (Temperature Compensated Operating）
+1.3 to +5.5V (Clock Timing Operating） - I2C-BUS serial interface：400kHz fast-mode compatible
- Clock function：hour・minute・second，
Calendar function with auto leap year adjustment：year・month・day・day of week - Alarm interrupt function：day・day of week・hour・minute
- Fixed-cycle timer interrupt function：244.14μs to 255min
- Time update interrupt function：minute・second
- Clock output function：32.768kHz, 1024Hz, 32Hz, 1Hz
- Supply voltage detection function：
+1.5V temperature compensation operating voltage detection
+1.3V supply voltage undervoltage detection - CMOS Level Output
- AEC-Q 100/AEC-Q200 compliant
"I2C-BUS" is a registered trademark of NXP Semiconductor
Applications
- High precision clock source
- Car navigation, Smart meter, Data logger
Standard Specification
| Item | Legend | Spec. | unit | Condition | |||
|---|---|---|---|---|---|---|---|
| min. | typ. | max. | |||||
| Output Frequency | fo | - | 32.768 | - | kHz | ||
| Supply Voltage Range | VCC | +1.3 | - | +5.5 | V | (Clock Timing Operating) | |
| Vtem | +1.5 | - | +5.5 | (Temperature Compensated Operating) | |||
| Vint | +1.5 | - | +5.5 | (Interface Operation) I2C-BUS | |||
| Frequency Tolerance | f_tol | -5.0 | - | +5.0 | ×10-6 | -40 to +85℃ | |
| -7.0 | - | +7.0 | -10 to +105℃ | ||||
| Current Consumption | ICC1 | - | 0.30 | 2.10 | μA | VCC＝+3.0V | Temperature Compensation Interval:30s, SCL=SDA=INTN=Vcc,OE=GND (Output Off) |
| - | 0.42 | 2.90 | VCC＝+5.0V | ||||
| ICC2 | - | 0.90 | 2.80 | VCC＝+3.0V | Temperature Compensation Interval:30s, SCL=SDA=INTN=OE=Vcc (Output On), No Load |
||
| - | 1.30 | 4.00 | VCC＝+3.0V | ||||
| Load Condition | L_CMOS | - | - | 15 | pF | ||
| Symmetry | SYM | 40 | - | 60 | % | 50%VCC | |
| 1 level Output Voltage | VOH | 0.8×Vcc | - | - | V | IOH=-1mA | |
| 0 level Output Voltage | VOL | - | - | 0.2×Vcc | V | IOL=1mA | |
| Rise / Fall Time | Tr/Tf | - | - | 100 | ns | 20 to 80%Vcc | |
| OE Pin 1 level Input Voltage |
VIH | 0.8×Vcc | - | Vcc | V | ||
| OE Pin 0 level Input Voltage |
VIL | 0 | - | 0.2×Vcc | V | ||
| Start Up Time | Tstart | - | - | 1 | s | Ta=+25℃, Vcc=+1.3V | |
| Packing Unit (1) | 2000pcs./reel（φ180） | ||||||
(1) Moisture prevention packing. Moisture sensitivity level : Level 2 (IPC/JEDEC J-STD-033)
Consult our sales representative for other specifications.
Pin Function
| No. | Name | I/O | Description |
|---|---|---|---|
| #1 | OE | I | Output control enable input (L:High impedance, H:Clock output) |
| #2 | INTN | O | 1Hz signal, alarm interrupt signal, fixed-cycle timer interrupt signal, and time update interrupt signal, Nch open-drain output |
| #3 | N.C. | - | Do not connect |
| #4 | GND | - | Ground connection |
| #5 | Output | O | Clock output connection |
| #6 | SCL | I | I2C-BUS serial interface clock input connection |
| #7 | SDA | I/O | I2C-BUS serial interface data input/output connection |
| #8 | Vcc | - | Supply Voltage |
Dimentions, etc. (Click for full size)
Reference
TEL:+81-79-425-3141
FAX:+81-79-425-1134
FAX:+81-79-425-1134