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X1227 Dataheets PDF



Part Number X1227
Manufacturers Intersil Corporation
Logo Intersil Corporation
Description RTC Real TimeClock/Calendar/ CPU Supervisor
Datasheet X1227 DatasheetX1227 Datasheet (PDF)

® D FO NDE E M S OM RE C SI G N NOT NEW DE 2027 I SL 1 Data Sheet SEE R X1227 May 8, 2006 FN8099.2 2-Wire™ RTC Real TimeClock/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 Compe.

  X1227   X1227


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® D FO NDE E M S OM RE C SI G N NOT NEW DE 2027 I SL 1 Data Sheet SEE R X1227 May 8, 2006 FN8099.2 2-Wire™ RTC Real TimeClock/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 www.DataSheet4U.com — Data Retention: 100 Years — Endurance: 100,000 Cycles Per Byte • 2-Wire™ Interface Interoperable with I2C* — 400kHz Data Transfer Rate • Low Power CMOS — 1.25µA Operating Current (Typical) • Small Package Options — 8 Ld SOIC and 8 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 DESCRIPTION The X1227 device is a Real Time Clock with clock/calendar, two polled alarms with integrated 512x8 EEPROM, oscillator compensation, CPU Supervisor (POR/LVS and WDT) and battery backup switch. The oscillator uses an external, low-cost 32.768kHz crystal. All compensation and trim components are integrated on the chip. This eliminates several external discrete components and a trim capacitor, saving board area and component cost. BLOCK DIAGRAM OSC Compensation X1 X2 Frequency Divider 1Hz Timer Calendar Logic Time Keeping Registers (SRAM) Battery Switch Circuitry VCC VBACK 32.768kHz Oscillator SCL SDA 8 RESET Watchdog Timer Low Voltage Reset Mask Serial Interface Decoder Control Decode Logic Control/ Registers (EEPROM) Status Registers (SRAM) Alarm Compare Alarm Regs (EEPROM) 4K EEPROM ARRAY 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 *I2C is a Trademark of Philips. All other trademarks mentioned are the property of their respective owners. X1227 ORDERING INFORMATION PART NUMBER X1227S8-4.5A X1227S8Z-4.5A (Note 1) X1227S8I-4.5A X1227S8IZ-4.5A (Note 1) X1227V8-4.5A X1227V8Z-4.5A (Note 1) X1227V8I-4.5A X1227V8IZ-4.5A (Note 1) X1227S8* X1227S8Z* (Note 1) X1227S8I X1227S8IZ (Note 1) X1227V8 X1227V8Z (Note 1) X1227V8I X1227V8IZ (Note 1) X1227S8-2.7A X1227S8Z-2.7A (Note 1) X1227S8I-2.7A* X1227S8IZ-2.7A* (Note 1) X1227V8-2.7A X1227V8Z-2.7A (Note 1) X1227V8I-2.7A X1227V8IZ-2.7A (Note 1) X1227S8-2.7* X1227S8Z-2.7 (Note 1) X1227S8I-2.7* X1227S8IZ-2.7 (Note 1) X1227V8-2.7 X1227V8Z-2.7 (Note 1) X1227V8I-2.7 X1227V8IZ-2.7 (Note 1) PART MARKING X1227AL X1227ZAL X1227AM X1227ZAM 1227AL 1227ALZ 1227AM 1227AMZ X1227 X1227Z X1227I X1227ZI 1227 1227Z 1227I 1227IZ X1227AN X1227ZAN X1227AP X1227ZAP 1227AN 1227ANZ 1227AP 1227APZ X1227F X1227ZF X1227G X1227ZG 1227F 1227FZ 1227G 1227GZ 2.65V ± 100mV 2.7 to 5.5 2.85V ± 100mV 4.38V ± 112mV VCC RANGE (V) 4.5 to 5.5 VTRIP 4.63V ± 112mV TEMPERATURE 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 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld SOIC 8 Ld SOIC (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) 8 Ld TSSOP 8 Ld TSSOP (Pb-free) PKG. DWG. # MDP0027 MDP0027 MDP0027 MDP0027 M8.173 M8.173 M8.173 M8.173 MDP0027 MDP0027 MDP0027 MDP0027 M8.173 M8.173 M8.173 M8.173 MDP0027 MDP0027 MDP0027 MDP0027 M8.173 M8.173 M8.173 M8.173 MDP0027 MDP0027 MDP0027 MDP0027 M8.173 M8.173 M8.173 M8.173 *Add "T1" suffix for tape and reel. NOTES: 1. Intersil Pb-free plus anneal products employ special Pb-free material sets; m.


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