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X1228

Features: • Real Time Clock/Calendar-Tracks time in Hours, Minutes, and Seconds-Day of the Week, Day, Month, and Year• 2 Polled Alarms (Non-volatile)-Settable on the Second, Minute, Hour, Day of the Week, Day, or Month-Repeat Mode (periodic interrupts)• Oscillator Compensation on...

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SeekIC No. : 004547046 Detail

X1228: Features: • Real Time Clock/Calendar-Tracks time in Hours, Minutes, and Seconds-Day of the Week, Day, Month, and Year• 2 Polled Alarms (Non-volatile)-Settable on the Second, Minute, Hour...

X1228 Data Sheet

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Part Number:
X1228
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

• Real Time Clock/Calendar
-Tracks time in Hours, Minutes, and Seconds
-Day of the Week, Day, Month, and Year
• 2 Polled Alarms (Non-volatile)
-Settable on the Second, Minute, Hour, Day of the Week, Day, or Month
-Repeat Mode (periodic interrupts)
• Oscillator Compensation on chip
-Internal feedback resistor and compensation capacitors
-64 position Digitally Controlled Trim Capacitor
-6 digital frequency adjustment settings to ±30ppm
• CPU Supervisor Functions
-Power-on Reset, Low Voltage Sense
-Watchdog Timer (SW Selectable: 0.25s, 0.75s, 1.75s, off)
• Battery Switch or Super Cap Input
• 512 x 8 Bits of EEPROM
-64-Byte Page Write Mode
-8 modes of Block Lock™ Protection
-Single Byte Write Capability
-Single Byte Write Capability
• High Reliability
-Data Retention: 100 years
-Endurance: 100,000 cycles per byte
• 2-Wire™ Interface interoperable with I2C*
-400kHz data transfer rate
• Frequency Output (SW Selectable: Off, 1Hz,
4096Hz, or 32.768kHz)
• Low Power CMOS
-1.25µA Operating Current (Typical)
• Small Package Options
-14 Ld SOIC and 14 Ld TSSOP
• Repetitive Alarms
• Temperature Compensation
• Pb-Free Plus Anneal Available (RoHS Compliant)


Application

• Utility Meters
• HVAC Equipment
• Audio/Video Components
• Set Top Box/Television
• Modems
• Network Routers, Hubs, Switches, Bridges
• Cellular Infrastructure Equipment
• Fixed Broadband Wireless Equipment
• Pagers/PDA
• POS Equipment
• Test Meters/Fixtures
• Office Automation (Copiers, Fax)
• Home Appliances
• Computer Products
• Other Industrial/Medical/Automotive


Pinout

Connection Diagram


Specifications

Temperature Under Bias ................... -65°C to +135°C
Storage Temperature ........................ -65°C to +150°C
Voltage on VCC, VBACK and PHZ/IRQ
pin (respect to ground) ............................-0.5V to 7.0V
Voltage on SCL, SDA, X1 and X2
pin (respect to ground) ............... -0.5V to 7.0V or 0.5V
above VCC or VBACK (whichever is higher)
DC Output Current .............................................. 5 mA
Lead Temperature (Soldering, 10 sec).............. 300°C



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