HomedatasheetX1228V14IZ-4.5A

X1228V14IZ-4.5A Datasheet

4K (512 x 8), 2-Wire™ RTC
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Description

Real Time Clock/Calendar/CPU Supervisor with EEPROM

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
• 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)

APPLICATIONS
• 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

 

Features

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Manufacturer information

INTERSIL

Intersil Corporation is a market leader in power management and precision analog technology for many of the most rigorous applications in the computing, consumer, and industrial markets. The company supplies a full range of power IC solutions including battery management, computing power, display power, regulators and controllers, and power modules; as well as precision analog components such as amplifiers and buffers, proximity and light sensors, data converters, timing products, optoelectronics and interface products. As a major supplier to the military and aerospace industries, Intersil’s product development methodologies reflect experience designing products to meet the highest standards for reliability and performance in challenging environments.


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