Allicdata Part #: | ISL1208IB8Z-T7ATR-ND |
Manufacturer Part#: |
ISL1208IB8Z-T7A |
Price: | $ 0.80 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Intersil |
Short Description: | IC RTC CLK/CALENDAR I2C 8-SOICReal Time Clock (RTC... |
More Detail: | N/A |
DataSheet: | ISL1208IB8Z-T7A Datasheet/PDF |
Quantity: | 16623 |
1 +: | $ 0.80000 |
10 +: | $ 0.75000 |
50 +: | $ 0.63000 |
100 +: | $ 0.62000 |
500 +: | $ 0.60000 |
1000 +: | $ 0.59500 |
2500 +: | $ 0.59000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Type: | Clock/Calendar |
Features: | Alarm, Leap Year, SRAM |
Memory Size: | 2B |
Time Format: | HH:MM:SS (12/24 hr) |
Date Format: | YY-MM-DD-dd |
Interface: | I²C, 2-Wire Serial |
Voltage - Supply: | 2.7 V ~ 5.5 V |
Voltage - Supply, Battery: | 1.8 V ~ 5.5 V |
Current - Timekeeping (Max): | 4µA ~ 6µA @ 3V ~ 5V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | ISL1208 |
Description
The ISL1208 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching, and 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.
The ISL1208's powerful alarm can be set to any clock/calendar value for a match. For example, every minute, every Tuesday or at 5:23 AM on March 21. The alarm status is available by checking the Status Register, or
the device can be configured to provide a hardware interrupt via the IRQ pin. There is a repeat mode for the alarm allowing a periodic interrupt every minute, every hour, every day, etc.
The device also offers a backup power input pin. This VBAT pin allows the device to be backed up by battery or Super Capacitor with automatic switchover from VDD to VBAT. The entire ISL1208 device is fully operational from 2.0V to 5.5V and the clock/calendar portion of the device remains fully operational down to 1.8V (Standby Mode).
Features
1. Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Day, Month, and Year
2. 15 Selectable Frequency Outputs
3. Single Alarm
- Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
- Single Event or Pulse Interrupt Mode
4. Automatic Backup to Battery or Super Capacitor
5. Power Failure Detection
6. On-Chip Oscillator Compensation
7. 2 Bytes Battery-Backed User SRAM
8. I2C Interface
- 400kHz Data Transfer Rate
9. 400nA Battery Supply Current
10. Same Pin Out as ST M41Txx and Maxim DS13xx Devices
11. Small Package Options
- 8 Ld MSOP and SOIC Packages
- 8 Ld TDFN Package
12. Pb-Free Available (RoHS Compliant)
Applications
1. Utility Meters
2. HVAC Equipment
3. Audio/Video Components
4. Set-Top Box/Television
5. Modems
6. Network Routers, Hubs, Switches, Bridges
7. Cellular Infrastructure Equipment
8. Fixed Broadband Wireless Equipment
9. Pagers/PDA
10. POS Equipment
11. Test Meters/Fixtures
12. Office Automation (Copiers, Fax)
13. Home Appliances
14. Computer Products
15. Other Industrial/Medical/Automotive
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