DD3225TQB

Pb-Free RoHS Compliant
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优点

  • Digital temperature compensated type
  • Low current consumption
  • High precision: ±5.0×10-6 (-40 to +85℃), ±8.0×10-6 (+85 to +105℃)
  • 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 approximately 68 hours
  • Time update interrupt function: minute, second
  • Clock output function：32.768kHz, 1024Hz, 1Hz (select one)
  • Power switching function
  • CMOS Level Output
  • AEC-Q200 compliant (option: equivalent to AEC-Q100)

"I2C-BUS" is a trademark of NXP semiconductors.

用途

  • High precision clock source
  • Car navigation, smart meter, data logger

一般规格

Item Legend Spec. Unit Condition
min. typ. max.
Output Frequency fo - 32.768 - kHz  
Supply Voltage VCC +1.6 - +5.5 V (Clock Timing Operating)
Frequency Tolerance
(Includes frequency tolerance
at room temperature)		 f_tol -5 - +5 ×10-6 -40 to ＋85℃
-8 - +8 +85 to ＋105℃
Current Consumption ICC - 1.00 15 μA VCC＝+3.0V OE=”H”, fSCL=0Hz,
INTN=VCC, VCC=VBAT
Output:32.768kHz
CL=0pF
Temperature Compensation Interval 2s
VCC Voltage Detection Time 2ms
- 2.00 18 VCC＝+5.0V
Stand-by Current
(#1 pin "L" Level)		 I-std - 0.52 12 μA VCC＝+3.0V OE=”L”, fSCL=0Hz,
INTN=VCC, VCC=VBAT
Output off
Temperature Compensation Interval 2s
VCC Voltage Detection Time 2ms
- 0.56 15 VCC＝+5.0V
Load Condition L_CMOS - - 15 pF  
Symmetry SYM 40 - 60 % 50%VCC
0 Level Output Voltage VOH 2.9 - 3.0 V VCC=3.0V, IOH=-100μA
1 Level Output Voltage VOL Gnd - Gnd+0.1 V VCC=3.0V, IOL=+100μA
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）

(1) Moisture prevention packing

Consult our sales representative for other specifications.

端子说明

No. Name I/O Function
#1 OE I Output control enable input (L: High impedance，H: Clock output）
#2 VCC - Supply voltage
#3 VBAT - Battery connection
#4 Output O Clock output connection
#5 SCL I I2C-BUS serial interface clock input connection
#6 N.C. - CMOS output for internal status output
#7 SDA I/O I2C-BUS serial interface data input/output connection
#8 N.C. -  
#9 GND - Ground connection
#10 INTN O Interrupt signal output, open-drain output

 

外形尺寸等 (点击看大图)

参考

各种咨询
TEL:+81-79-425-3141
FAX:+81-79-425-1134