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ISL12023 の電気的特性と機能

ISL12023のメーカーはIntersilです、この部品の機能は「Low Power RTC」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL12023
部品説明 Low Power RTC
メーカ Intersil
ロゴ Intersil ロゴ 




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ISL12023 Datasheet, ISL12023 PDF,ピン配置, 機能
Low Power RTC with Battery-Backed SRAM andNOc1NTo-8nOR8taE8Rc-CEItNOCoTMOuErMMRTMESeNIcELhDNonEDriDcEwaDFlwOSRwRuE.ipPnNpLtEeoArWrsCt iCElD.ceMEonSEmtIeNG/rTtNsacSt
DATASHEET
Embedded Temp Compensation ±5ppm with Auto
Daylight Saving
ISL12023
The ISL12023 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.
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
VBAT power, and also from VBAT to VDD power.
Applications
• Utility Meters
• POS Equipment
• Medical Devices
• Security Systems
• Vending Machines
• White Goods
• Printers and Copiers
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
• Clock Output with 15 Selectable Frequencies
• 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
• Separate FOUT, IRQ, and LVRST Outputs
• I2C Bus™
- 400kHz Clock Frequency
• 14 Ld TSSOP Package
• Pb-Free (RoHS Compliant)
Ordering Information
PART NUMBER
(Notes 1, 2)
PART
MARKING
VDD RANGE
(V)
TEMP RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL12023IVZ
12023 IVZ
2.7 to 5.5
-40 to +85
14 Ld TSSOP
M14.173
NOTES:
1. Add “-T” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020
December 6, 2011
FN6682.3
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2008, 2009, 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. I2C Bus™ is a trademark
owned by NXP Semiconductors Netherlands, B.V. All other trademarks mentioned are the property of their respective owners.

1 Page





ISL12023 pdf, ピン配列
ISL12023
Absolute Maximum Ratings
Voltage on VDD, VBAT and IRQ/FOUT pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Voltage on SCL and SDA pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD + 0.3V
Voltage on X1 and X2 pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.5V
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3014) . . . . . . . . . . >3kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >300V
Thermal Information
Thermal Resistance (Typical, Note 3)
JA (°C/W)
14 Ld TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTE:
3. JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
DC Operating Characteristics - RTC Test Conditions: VDD = +2.7V to +5.5V, TA = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
(Note 11) (Note 7) (Note 11) UNITS
NOTES
VDD
VBAT
IDD1
IDD2
IDD3
Main Power Supply
Battery Supply Voltage
Supply Current. (I2C not Active,
Temperature Conversion not Active, FOUT
not Active)
Supply Current. (I2C Active, Temperature
Conversion not Active, FOUT not Active)
Supply Current. (I2C not Active,
Temperature Conversion Active, FOUT not
Active)
(Note 13)
(Note 13)
VDD = 5V
VDD = 3V
VDD = 5V
VDD = 5V
2.7 5.5 V
1.8
5.5 V
4
4.1 15 µA 5, 6
3.5 14 µA 5, 6
200 500 µA 5, 6
120 400 µA 5, 6
IBAT Battery Supply Current
IBATLKG
ILI
ILO
VBATM
VPBM
VTRIP
VTRIPHYS
VBATHYS
FoutT
FoutV
ATLSB
Temp
Battery Input Leakage
Input Leakage Current on SCL
I/O Leakage Current on SDA
Battery Level Monitor Threshold
Brownout Level Monitor Threshold
VBAT Mode Threshold
VTRIP Hysteresis
VBAT Hysteresis
Frequency Stability vs Temperature
Frequency Stability vs Voltage
AT Sensitivity per LSB
Temperature Sensor Accuracy
IRQ, LVRST, FOUT
VOL Output Low Voltage
VDD = 0V, VBAT = 3V, TA = +25°C
VBAT = 3V
VDD = 5.5V, VBAT = 1.8V
(Note 13)
-1.0
-1.0
-100
-100
2.0
2.7V VDD 3.6V,
2.7V VDD 3.6V
BETA (3:0) = 1000
VDD = VBAT = 3.3 V
-5
-3
0.5
1.0
1.0
±0.1
±0.1
2.2
30
50
1
±2
1.6
5.0
100
1.0
1.0
+100
+100
2.4
+5
+3
2
µA
µA
nA
µA
µA
mV
mV
V
mV
mV
ppm
ppm
ppm
°C
VDD = 5V, IOL = 3mA
VDD = 2.7V, IOL = 1mA
0.4 V
0.4 V
5
5
9
9
12
12
12
9
Submit Document Feedback
3
FN6682.3
December 6, 2011


3Pages


ISL12023 電子部品, 半導体
ISL12023
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 5V
5.0V
SDA,
IRQ AND FOUT
1533Ω
FOR VOL= 0.4V
AND IOL = 3mA
100pF
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE DEVICE WITH VDD = 5.0V
Symbol Table
WAVEFORM
INPUTS
Must be steady
OUTPUTS
Will be steady
May change
from LO W
to HIGH
May change
from HIGH
to LO W
Don’t Care:
Changes Allowed
N/A
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not Known
Center Line is
High Impedance
Submit Document Feedback
6
FN6682.3
December 6, 2011

6 Page



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