Maker : Intersil Corporation
Part No. : X1228

  Datasheet PDF : X1228.pdf
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Product Information

® FO D ED ME N S OM RE C SI G N NOT NEW DE 2028 L1 Data E IS SE Sheet R X1228 4K (512 x 8), 2-Wire™ RTC May 18, 2006 FN8100.4 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 www.DataSheet4U.com — 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 BLOCK DIAGRAM OSC Compensation 32.768kHz X1 X2 Oscillator Frequency Divider 1Hz Timer Calendar Logic Time Keeping Registers (SRAM) Battery Switch Circuitry VCC VBACK PHZ/IRQ Select Control/ Registers (EEPROM) Status Registers (SRAM) Mask SCL SDA Serial Interface Decoder Control Decode Logic Alarm Compare Alarm Regs (EEPROM) 4K EEPROM ARRAY 8 RESET Watchdog Timer Low Voltage Reset 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. X1228 Ordering Information PART NUMBER X1228S14-4.5A X1228S14Z-4.5A (Note) X1228S14I-4.5A X1228S14IZ-4.5A (Note) X1228V14-4.5A X1228V14Z-4.5A (Note) X1228V14I-4.5A X1228V14IZ-4.5A (Note) X1228S14 X1228S14Z (Note) X1228S14I X1228S14IZ (Note) X1228V14 X1228V14Z (Note) X1228V14I X1228V14IZ (Note) X1228S14-2.7A X1228S14Z-2.7A (Note) X1228S14I-2.7A X1228S14IZ-2.7A (Note) X1228V14-2.7A X1228V14Z-2.7A (Note) X1228V14I-2.7A X1228V14IZ-2.7A (Note) X1228S14-2.7* X1228S14Z-2.7* (Note) X1228S14I-2.7 X1228S14IZ-2.7 (Note) X1228V14-2.7 X1228V14Z-2.7 (Note) X1228V14I-2.7 X1228V14IZ-2.7 (Note) PART MARKING X1228S AL X1228S ZAL X1228S AM X1228S ZAM X1228V AL X1228V ZAL X1228V AM X1228V ZAM X1228S X1228S Z X1228S I X1228S ZI X1228V X1228V Z X1228V I X1228V ZI X1228S AN X1228S ZAN X1228S AP X1228S ZAP X1228V AN X1228V ZAN X1228V AP X1228V ZAP X1228S F X1228S ZF X1228S G X1228S ZG X1228V F X1228V ZF X1228V G X1228V ZG 2.65V ± 100mV 2.85V ± 100mV 4.38V ± 112mV VCC RANGE (V) 2.7 to 5.5 VTRIP 4.63V ± 112mV TEMP RANGE (°C) 0 to 70 0 to 70 -40 to 85 -40 to 85 0 to 70 0 to 70 -40 to 85 -40 to 85 0 to 70 0 to 70 -40 to 85 -40 to 85 0 to 70 0 to 70 -40 to 85 -40 to 85 0 to 70 0 to 70 -40 to 85 -40 to 85 0 to 70 0 to 70 -40 to 85 -40 to 85 0 to 70 0 to 70 -40 to 85 -40 to 85 0 to 70 0 to 70 -40 to 85 -40 to 85 PACKAGE 14 Ld SOIC 14 Ld SOIC (Pb-free) 14 Ld SOIC 14 Ld SOIC (Pb-free) 14 Ld TSSOP 14 ...

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