ISL12026 General Description
ISL12026 Maximum Ratings
Voltage on VDD, VBAT, SCL, SDA, and IRQ/FOUT Pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Voltage on X1 and X2 Pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.5V
Latchup (Note 1) . . . . . . . . . . . . . . . . . . . Class II, Level B @ +85
ESD Rating (MIL-STD-883, Method 3014) . . . . . . . . . . . . . . .>±2kV
ESD Rating (Machine Model) . . . . . . . . . . . . . . . . . . . . . . . . .>175V
ISL12026 Features
• Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Day, Month, and Year
- 3 Selectable Frequency Outputs
• Two Non-Volatile Alarms
- Settable on the Second, Minute, Hour, Day of the Week,Day, or Month
- Repeat Mode (periodic interrupts)
• Automatic Backup to Battery or SuperCap
• On-Chip Oscillator Compensation
- Internal Feedback Resistor and Compensation
Capacitors
- 64 Position Digitally Controlled Trim Capacitor
- 6 Digital Frequency Adjustment Settings to ±30ppm
• 512 x 8 Bits of EEPROM
- 16-Byte Page Write Mode (32 total pages)
- 8 Modes of BlockLock™ Protection
- Single Byte Write Capability
• High Reliability
- Data Retention: 50 years
- Endurance: >2,000,000 Cycles Per Byte
• I2C Interface
- 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Package Options
- 8 Ld SOIC and 8 Ld TSSOP Packages
• Pb-Free Plus Anneal Available (RoHS Compliant)
ISL12026 Typical 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
ISL12026 Connection Diagram
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