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

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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

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