ISL12022MIBZ-T Intersil, ISL12022MIBZ-T Datasheet - Page 4

• Manufacturer Part Number: ISL12022MIBZ-T
• Description: IC RTC/CALENDAR TEMP SENS 20SOIC
• Manufacturer: Intersil
• Type: Clock/Calendarr

Specifications of ISL12022MIBZ-T

• Memory Size: 128B
• 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
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL12022MIBZ-TCT

Table of Contents
Typical Application Circuit ................................. 1
Performance Curve ............................................ 1
Block Diagram ................................................... 2
Pin Descriptions ................................................ 2
Absolute Maximum Ratings .............................. 5
Thermal Information ........................................ 5
Electrical Specifications .................................... 5
I
SDA vs SCL Timing............................................. 8
Symbol Table ..................................................... 8
Typical Performance Curves ............................. 9
General Description ......................................... 10
Functional Description..................................... 11
Real Time Clock Operation............................... 12
Register Descriptions ...................................... 12
Real Time Clock Registers ............................... 14
Control and Status Registers (CSR) ................. 15
2
C Interface Specifications .............................. 6
Power Control Operation ................................. 11
Normal Mode (V
Battery Backup Mode (V
Power Failure Detection .................................. 11
Brownout Detection ........................................ 11
Battery Level Monitor...................................... 11
Single Event and Interrupt .............................. 12
Frequency Output Mode .................................. 12
General Purpose User SRAM ............................ 12
I
Oscillator Compensation.................................. 12
Addresses [00h to 06h]................................... 14
2
C Serial Interface ........................................ 12
DD
) to Battery Backup Mode (V
BAT
4
) to Normal Mode (V
BAT
DD
ISL12022M
)... 11
)... 11
User Registers (Accessed by Using Slave Address
I
Device Addressing........................................... 25
Write Operation .............................................. 26
Read Operation ............................................... 26
Application Section ......................................... 26
Revision History .............................................. 29
Products.......................................................... 30
M20.3 ............................................................. 31
2
1010111x) ................................................... 24
C Serial Interface ......................................... 24
Addresses [07h to 0Fh] .................................. 15
Interrupt Control Register (INT) ...................... 16
Power Supply Control Register (PWR_VDD) ....... 17
Battery Voltage Trip Voltage Register (PWR_VBAT)..... 17
Initial AT and DT Setting Register (ITRO).......... 17
ALPHA Register (ALPHA)................................. 19
BETA Register (BETA) ................................... 19
Final Analog Trimming Register (FATR)............. 20
Final Digital Trimming Register (FDTR) ............. 20
ALARM Registers (10h to 15h)......................... 20
Time Stamp VDD to Battery Registers (TSV2B)......... 21
Time Stamp Battery to VDD Registers (TSB2V)......... 21
DST Control Registers (DSTCR) ....................... 22
TEMP Registers (TEMP)................................... 23
NPPM Registers (NPPM) .................................. 23
XT0 Registers (XT0)....................................... 23
ALPHA Hot Register (ALPHAH) ......................... 24
Addresses [00h to 7Fh] .................................. 24
Protocol Conventions ...................................... 24
Battery Backup Details ................................... 26
Layout Considerations .................................... 26
Measuring Oscillator Accuracy ......................... 27
Temperature Compensation Operation.............. 27
Daylight Savings Time (DST) Example.............. 28
June 4, 2010
FN6668.7