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Part Name(s) : ISL12020MIRZ ISL12020MIRZ-T ISL12020M Intersil
Intersil
Description : LOW POWER RTC WITH BATTERY BACKED SRAM,Integrated 5PPM TEMPERATURE COMPENSATION AND Auto Daylight Saving View

The ISL12020M device is a LOW POWER real time clock (RTC) WITH an embedded TEMPERATURE sensor AND crystal. Device functions include oscillator COMPENSATION, clock/calendar, POWER fail AND LOW BATTERY monitors, brownout indicator, one-time, periodic or polled alarms, intelligent BATTERY backup switching, BATTERY Reseal™ function AND 128 bytes of BATTERY-BACKED user SRAM. The device is offered in a 20 Ld DFN module that contains the RTC AND an embedded 32.768kHz quartz crystal. The calibrated oscillator provides less than ±5PPM drift over the full -40°C to +85°C TEMPERATURE range.

Features
• Embedded 32.768kHz Quartz Crystal in the Package
• 20 Ld DFN Package (for SOIC version, refer to the ISL12022M)
• Calendar
• On-chip Oscillator TEMPERATURE COMPENSATION
• 10-bit Digital TEMPERATURE Sensor Output
• 15 Selectable Frequency Outputs
• Interrupt for Alarm or 15 Selectable Frequency Outputs
• Automatic Backup to BATTERY or Supercapacitor
• VDD AND BATTERY Status Monitors
BATTERY Reseal™ Function to Extend BATTERY Shelf Life
POWER Status Brownout Monitor
• Time Stamp for BATTERY Switchover
• 128 Bytes BATTERY-BACKED User SRAM
• I2C-Bus™

Applications*(see page 31)
• Utility Meters
• POS Equipment
• Printers AND Copiers
• Digital Cameras

Part Name(s) : ISL12022MA ISL12022MAIBZ ISL12022MAIBZ-T Intersil
Intersil
Description : LOW POWER RTC WITH BATTERY BACKED SRAM, Integrated 5PPM TEMPERATURE COMPENSATION AND Auto Daylight Saving View

The ISL12022MA device is a LOW POWER real time clock (RTC) WITH an embedded TEMPERATURE sensor AND crystal. Device functions include oscillator COMPENSATION, clock/calendar, POWER fail AND LOW BATTERY monitors, brownout indicator, one-time, periodic or polled alarms, intelligent BATTERY backup switching, BATTERY Reseal™
function AND 128 bytes of BATTERY-BACKED user SRAM. The device is offered in a 20 Ld SOIC module that contains the RTC AND an embedded 32.768kHz quartz crystal. The calibrated oscillator provides less than ±5PPM drift over the full -40°C to +85°C TEMPERATURE range.

Features
• Embedded 32.768kHz Quartz Crystal in the Package
• 20 Ld SOIC Package (for DFN version, refer to the ISL12020M)
• Calendar
• On-chip Oscillator TEMPERATURE COMPENSATION
• 10-bit Digital TEMPERATURE Sensor Output
• 15 Selectable Frequency Outputs
• Interrupt for Alarm or 15 Selectable Frequency Outputs
• Automatic Backup to BATTERY or Supercapacitor
• VDD AND BATTERY Status Monitors
BATTERY Reseal™ Function to Extend BATTERY Shelf Life
POWER Status Brownout Monitor
• Time Stamp for BATTERY Switchover
• 128 Bytes BATTERY-BACKED User SRAM
• I2C-Bus™
• RoHS Compliant

Applications
• Utility Meters
• POS Equipment
• Printers AND Copiers
• Digital Cameras

Part Name(s) : 12022IBZ ISL12022 ISL12022IBZ ISL12022IBZ-T Renesas
Renesas Electronics
Description : LOW POWER RTC WITH BATTERY-BACKED SRAM AND Embedded Temp COMPENSATION 5PPM WITH Auto Daylight Saving View

The ISL12022 device is a LOW POWER real time clock WITH an embedded Temp sensor for oscillator COMPENSATION, clock/calendar, POWER fail, LOW BATTERY monitor, brownout indicator, single periodic or polled alarms, intelligent BATTERY-backup switching, BATTERY Reseal™ function AND 128 bytes of BATTERY-BACKED user SRAM.

Features
• Real Time Clock/Calendar
    - Tracks Time in Hours, Minutes AND Seconds
    - Day of the Week, Day, Month AND Year
• On-chip Oscillator COMPENSATION Over the Operating TEMPERATURE Range
    - ±5PPM Over -40°C to +85°C
• 10-bit Digital TEMPERATURE Sensor Output
    - ±2°C Accuracy
• Customer Programmable Day Light Saving Time
• 15 Selectable Frequency Outputs
• 1 Alarm
    - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
    - Single Event or Pulse Interrupt Mode
BATTERY Reseal™ Function to Extend BATTERY Shelf Life
• Automatic Backup to BATTERY or Super Capacitor
    - Operation to VBAT = 1.8V
    - 1.0µA BATTERY Supply Current
BATTERY Status Monitor
    - 2 User Programmable Levels
    - Seven Selectable Voltages for Each Level
POWER Status Brownout Monitor
    - Six Selectable Trip Levels, from 2.295V to 4.675V
• Oscillator Failure Detection
• Time Stamp for First VDD to VBAT, AND Last VBAT to VDD
• 128 Bytes BATTERY-BACKED User SRAM
• I2C Bus™
    - 400kHz Clock Frequency
• 1µA Typical BATTERY Current
• Pb-Free (RoHS Compliant)

Applications
• Utility Meters
• POS Equipment
• Medical Devices
• Security Systems
• Vending Machines
• White Goods
• Printers AND Copiers

Part Name(s) : 12022IBZ ISL12022 ISL12022IBZ ISL12022IBZ-T Intersil
Intersil
Description : Real Time Clock WITH On Chip 5PPM Temp COMPENSATION View

LOW POWER RTC WITH BATTERY-BACKED SRAM AND Embedded Temp COMPENSATION ±5PPM WITH Auto Daylight Saving

The ISL12022 device is a LOW POWER real time clock WITH an embedded Temp sensor for oscillator COMPENSATION, clock/calendar, POWER fail, LOW BATTERY monitor, brownout indicator, single periodic or polled alarms, intelligent BATTERY-backup switching, BATTERY Reseal™ function AND 128 bytes of BATTERY-BACKED user SRAM.

Features
• Real Time Clock/Calendar
    - Tracks Time in Hours, Minutes AND Seconds
    - Day of the Week, Day, Month AND Year
• On-chip Oscillator COMPENSATION Over the Operating Temp Range
    - ±5PPM Over -40°C to +85°C
• 10-bit Digital TEMPERATURE Sensor Output
    - ±2°C Accuracy
• Customer Programmable Day Light Saving Time
• 15 Selectable Frequency Outputs
• 1 Alarm
    - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
    - Single Event or Pulse Interrupt Mode
BATTERY Reseal™ Function to Extend BATTERY Shelf Life
• Automatic Backup to BATTERY or Super Capacitor
    - Operation to VBAT = 1.8V
    - 1.0µA BATTERY Supply Current
BATTERY Status Monitor
    - 2 User Programmable Levels
    - Seven Selectable Voltages for Each Level
POWER Status Brownout Monitor
    - Six Selectable Trip Levels, from 2.295V to 4.675V
• Oscillator Failure Detection
• Time Stamp for First VDD to VBAT, AND Last VBAT to VDD
• 128 Bytes BATTERY-BACKED User SRAM
• I2C Bus™
    - 400kHz Clock Frequency
• 8 Ld SOIC Package
• Pb-Free (RoHS Compliant)

Applications
• Utility Meters
• POS Equipment
• Medical Devices
• Security Systems
• Vending Machines
• White Goods
• Printers AND Copiers


Part Name(s) : 12020CBZ 12020IBZ ISL12020 ISL12020CBZ ISL12020IBZ ISL12020CBZ-T ISL12020IBZ-T Intersil
Intersil
Description : Real Time Clock WITH On Chip Temp COMPENSATION 5PPM View

LOW POWER RTC WITH VDD BATTERY BACKED SRAM AND Embedded Temp
COMPENSATION ±5PPM WITH Auto Day Light Saving

The ISL12020 device is a LOW POWER real time clock WITH an embedded Temp sensor for oscillator COMPENSATION, clock/calendar, POWER fail, LOW BATTERY monitor, brown out indicator, single periodic or polled alarms, intelligent BATTERY backup switching AND 128 bytes of BATTERY-BACKED user SRAM.

Features
• Real Time Clock/Calendar
   - Tracks Time in Hours, Minutes AND Seconds
   - Day of the Week, Day, Month AND Year
• On-chip Oscillator COMPENSATION Over the Operating
   Temp Range
   - ±5PPM over -20°C to +70°C
• Day Light Saving Time
   - Customer Programmable
• 15 Selectable Frequency Outputs
• 1 Alarm
   - Settable to the Second, Minute, Hour, Day of the Week,
      Day, or Month
   - Single Event or Pulse Interrupt Mode
• Automatic Backup to BATTERY or Super Cap
   - Operation to VBAT = 1.8V
   - 1.0µA BATTERY Supply Current
BATTERY Status Monitor, 2 Levels, Selectable by Customer
   to:
   - Seven Selectable Voltages for Each Level
POWER Status Brown Out Monitor
• Six Selectable Trip Level, from 4.675V to 2.295V POWER
   Failure Detection
• Time Stamp during POWER to BATTERY AND BATTERY to POWER
   Cross Over
   - Time Stamp. First VDD to VBAT, AND Last VBAT to VDD
• 128 Bytes BATTERY-BACKED User SRAM
• I2C Interface
   - 400kHz Clock Frequency
• 8 Ld SOIC Package ISL12020
• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications
• Utility Meters
• POS Equipment
• Medical Application
• Security Related Application
• Vending Machine
• White Goods

Part Name(s) : ISL12021 ISL12021CVZ ISL12021IVZ ISL12021IVZ-T ISL12021CVZ-T Intersil
Intersil
Description : Real Time Clock WITH On Chip Temp COMPENSATION 5PPM View

LOW POWER RTC WITH VDD BATTERY BACKED SRAM AND Embedded Temp COMPENSATION ±5PPM WITH Auto Day Light Saving

The ISL12021 device is a LOW POWER real time clock WITH an embedded Temp sensor for oscillator COMPENSATION, clock/calendar, POWER fail, LOW BATTERY monitor, brown out indicator, single periodic or polled alarms, intelligent BATTERY backup switching AND 128 bytes of BATTERY-BACKED user SRAM.
The oscillator uses an external, LOW-cost 32.768kHz crystal.
The real time clock tracks time WITH separate registers for hours, minutes, AND seconds. The device has calendar registers for date, month, year AND day of the week. The calendar is accurate through 2099, WITH automatic leap year correction.
Daylight Savings time adjustment is done automatically, using parameters entered by the user. POWER fail AND BATTERY monitors offer user-selectable trip levels. A time stamp function records the time AND date of switchover from VDD to BATTERY POWER, AND also from BATTERY to VDD POWER.

Features
• Real Time Clock/Calendar
   - Tracks Time in Hours, Minutes AND Seconds
   - Day of the Week, Day, Month AND Year
• On-chip Oscillator COMPENSATION Over the Operating
   Temp Range
   - ±5PPM over -20°C to +70°C
• Day Light Saving Time
   - Customer Programmable
• Separate FOUT pin
   - 15 Selectable Frequency Outputs
• 1 Alarm
   - Settable to the Second, Minute, Hour, Day of the Week,
      Day, or Month
   - Single Event or Pulse Interrupt Mode
   - Dedicated IRQ output pin
• Automatic Backup to BATTERY or Super Cap
   - Operation to VBAT = 1.8V
   - 1.0µA BATTERY Supply Current
BATTERY Status Monitor, 2 Levels, Selectable by Customer
   to:
   - Seven Selectable Voltages for Each Level
POWER status Brown Out Monitor
   - Six selectable trip level, from 4.675V to 2.295V
   - Separate LOW Voltage LVRST pin
• Time Stamp during POWER to BATTERY AND BATTERY to POWER
   Cross Over
   - Time Stamp. First VDD to VBAT, AND Last VBAT to VDD
• 128 Bytes BATTERY-BACKED User SRAM
• I2C Interface
   - 400kHz Clock Frequency
• 14 Ld TSSOP package
• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications
• Utility Meters
• POS Equipment
• Medical Application
• Security Related Application
• Vending Machine
• White Goods

Part Name(s) : ISL12022M ISL12022MIBZ Intersil
Intersil
Description : Real Time Clock WITH Embedded Crystal, 5PPM Accuracy View

LOW POWER RTC WITH BATTERY BACKED SRAM, Integrated ±5PPM TEMPERATURE COMPENSATION, AND Auto Daylight Saving

The ISL12022M device is a LOW POWER real time clock (RTC) WITH an embedded TEMPERATURE sensor AND crystal. Device functions include oscillator COMPENSATION, clock/calendar, POWER fail AND LOW BATTERY monitors, brownout indicator, one-time, periodic or polled alarms, intelligent BATTERY backup switching, BATTERY Reseal™ function AND 128 bytes of BATTERY-BACKED user SRAM. The device is offered in a 20 Ld SOIC module that contains the RTC AND an embedded 32.768kHz quartz crystal. The calibrated oscillator provides less than ±5PPM drift over the full -40°C to +85°C TEMPERATURE range.

Features
• Embedded 32.768kHz Quartz Crystal in the Package
• 20 Ld SOIC Package (for DFN version, refer to the ISL12020M)
• Real Time Clock/Calendar
- Tracks Time in Hours, Minutes AND Seconds
- Day of the Week, Day, Month AND Year
• On-chip Oscillator TEMPERATURE COMPENSATION
- ±5PPM Accuracy Over -40°C to +85°C
• 10-bit Digital TEMPERATURE Sensor Output - ±2°C Accuracy
• Customer Programmable Day Light Saving Time
• 15 Selectable Frequency Outputs
• 1 Alarm
- Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
- Single Event or Pulse Interrupt Mode
• Automatic Backup to BATTERY or Supercapacitor
- Operation to VBAT = 1.8V
- 1.0µA BATTERY Supply Current
BATTERY Status Monitor
- 2 User Programmable Levels
- Seven Selectable Voltages for Each Level
BATTERY Reseal™ Function to Extend BATTERY Shelf Life
POWER Status Brownout Monitor
- Six Selectable Trip Levels, from 2.295V to 4.675V
• Oscillator Failure Detection
• Time Stamp for First VDD to VBAT, AND Last VBAT to VDD Switchover
• 128 Bytes BATTERY-BACKED User SRAM
• I2C-Bus™
- 400kHz Clock Frequency
• Pb-Free (RoHS Compliant)

Applications
• Utility Meters
• POS Equipment
• Medical Devices
• Printers AND Copiers
• Digital Cameras
• Security Systems
• Vending Machine

Part Name(s) : DS3232M DS3232MZ DS3232MZ DS3232MZ/V DS3232MZ/V DS3232MZ_V DS3232MZ_V MaximIC
Maxim Integrated
Description : 5PPM, I2C Real-Time Clock WITH SRAM View

General Description
The DS3232M is a LOW-cost, extremely accurate, I2C real-time clock (RTC) WITH 236 bytes of BATTERY-BACKED SRAM. The device incorporates a BATTERY input AND maintains accurate timekeeping when main POWER to the device is interrupted. The integration of the microelectromechanical systems (MEMS) resonator enhances the long-term accuracy of the device AND reduces the piece part count in a manufacturing line.

Features
♦ Timekeeping Accuracy ±5PPM (±0.432 Second/Day) from -40NC to +85NC
♦ 236 Bytes of BATTERY-BACKED User SRAM
BATTERY Backup for Continuous Timekeeping
LOW POWER Consumption
♦ Functionally Compatible to DS3232
♦ Complete Clock Calendar Functionality Including Seconds, Minutes, Hours, Day, Date, Month, AND Year WITH Leap Year COMPENSATION Up to Year 2100
♦ Two Time-of-Day Alarms
♦ 1Hz AND 32.768kHz Outputs
♦ Reset Output AND Pushbutton Input WITH Debounce
♦ Fast (400kHz) I2C-Compatible Serial Bus
♦ +2.3V to +4.5V Supply Voltage
♦ Digital Temp Sensor WITH ±3NC Accuracy
♦ -40NC to +85NC TEMPERATURE Range
♦ 8-Pin SO (150 mils) Package
♦ Underwriters Laboratories (UL) Recognized

Applications
  POWER Meters
  Industrial Applications

 

Part Name(s) : DS3232 DS3232N DS3232S DS3232SN MaximIC
Maxim Integrated
Description : Extremely Accurate I2C RTC WITH Integrated Crystal AND SRAM View

General Description
The DS3232 is a LOW-cost TEMPERATURE-compensated crystal oscillator (TCXO) WITH a very accurate, TEMPERATURE-compensated, integrated real-time clock (RTC) AND 236 bytes of BATTERY-BACKED SRAM. Additionally, the DS3232 incorporates a BATTERY input AND maintains accurate timekeeping when main POWER to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The DS3232 is available in commercial AND industrial TEMPERATURE
ranges, AND is offered in an industry-stANDard 20-pin, 300-mil SO package.

Features
♦Accuracy ±2ppm from 0°C to +40°C
♦Accuracy ±3.5PPM from -40°C to +85°C
BATTERY Backup Input for Continuous Timekeeping
♦Operating TEMPERATURE Ranges
  Commercial: 0°C to +70°C
  Industrial: -40°C to +85°C
♦236 Bytes of BATTERY-BACKED SRAM
LOW-POWER Consumption
♦Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, AND Year WITH Leap Year COMPENSATION Valid Up to 2099
♦Two Time-of-Day Alarms
♦Programmable Square-Wave Output
♦Fast (400kHz) I2C Interface
♦3.3V Operation
♦Digital Temp Sensor Output: ±3°C Accuracy
♦Register for Aging Trim
♦RSTInput/Output
♦300-Mil, 20-Pin SO Package
♦Underwriters Laboratories (UL®) Recognized

Applications
Servers
Utility POWER Meters
Telematics
GPS

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