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ISL12022M-R5421 数据表(PDF) 3 Page - Intersil Corporation

部件名 ISL12022M-R5421
功能描述  High-Accuracy RTC Modules, Feature-Rich RTCs
PDF  6 Pages
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

ISL12022M-R5421 数据表(HTML) 3 Page - Intersil Corporation

  ISL12022M-R5421 Datasheet HTML 1Page - Intersil Corporation ISL12022M-R5421 Datasheet HTML 2Page - Intersil Corporation ISL12022M-R5421 Datasheet HTML 3Page - Intersil Corporation ISL12022M-R5421 Datasheet HTML 4Page - Intersil Corporation ISL12022M-R5421 Datasheet HTML 5Page - Intersil Corporation ISL12022M-R5421 Datasheet HTML 6Page - Intersil Corporation  
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www.intersil.com/timing
REAL TIME CLOCK ICs
INTERSIL SELECTION GUIDE
HIGH-ACCURACy RTC MODULEs
ISL12022M
Crystal
Oscillator
Frequency
Control
Temp
Sensor
Single
Alarm
Compen-
sation
Registers
Brown-out
Alarm
Battery
ReSeal™
µP
I2C
IRQ/FOUT
Clock
Calendar
POR
Switch
VDD
VBAT
±
Battery-
backed
User SRAM
Battery or
Super Cap
2.7V to 5.5V
1.8V to 5.5V
TRIP
V
Power Control
-160.0
-140.0
-120.0
-100.0
-80.0
-60.0
-40.0
-20.0
0.0
-40
-20
0
20
40
60
80
100
Temperature (°C)
ISL12020M Compensated
Crystal Drift
Uncompensated Crystal Drift
Embedded Crystal
Embedded Temperature
Sensor
TINy RTC MODULE wITH EMBEDDED
CRySTAL AND TEMPERATURE SENSOR
ACHIEvES BETTER THAN ±5.0ppm
ACCURACy
Tiny Real Time Clock (RTC) module with
embedded crystal and temperature
compensation circuitry achieves better than
±5 ppm accuracy over the entire industrial
temperature range (-40°C to +85°C). Intersil
is the first to offer an RTC module in a DFN
package. This makes this module very attractive
for handheld and portable applications that have
stringent space requirements.
RTC Modules
with Embedded
Crystal and
Temp Comp
ISL12020M,
ISL12022M
kEy FEATURES
• ISL12020M: World’s smallest 3-in-1 RTC Module
- RTC + crystal + temperature sensor
- Available in DFN package
• Better than ±5.0ppm accuracy for industrial
temperature range
- Factory programmed for optimal accuracy
• Battery Reseal™ function extends battery shelf
life
• ISL12022M: Low-cost SOIC package
- Industrial: Utility meters, POS, instruments
- Consumer: GPS handhelds, cameras, copiers
• Stand-alone RTC with temperature sensor also
available (ISL12022, ISL12023)
BLOCk DIAGRAM
HIGH ACCURACy EvEN IN ExTREME TEMPERATURE
CONDITIONS
10.00
-50
-30
-10
10
Temperature (°C)
30
50
70
90
8.00
6.00
4.00
2.00
0.00
-2.00
-4.00
-6.00
-8.00
-10.00
Better than ±5.0ppm
over -40 to +85°C!
High-Accuracy RTC Modules
with Embedded Crystal and Temperature Compensation
Device
IBAT
(nA)
Alarms
Selectable
Frequency
Output
CPU Supervisory
Function
Battery
IRQ
FOUT
SRAM
Other Functions
Package
POR
Watchdog
Timer
Seal Backup
ISL12020M
1000
1
15
N
N
Y
Y
Shared Pin
128 Bytes
•BatterySwitchoverTimeStamp
•BatteryStatusMonitor
20 Ld DFN
ISL12022M
1000
1
15
N
N
Y
Y
Shared Pin
128 Bytes
•BatterySwitchoverTimeStamp
•BatteryStatusMonitor
20 Ld SOIC
ISL12022MA
1000
1
15
N
N
Y
Y
Shared Pin
128 Bytes
•EnhancedEnvironmentalMoistureTolerance
•100%PinCompatiblewithISL12022M
•FirmwareCompatiblewithISL12020Mand
ISL12022M
Enhanced
20 Ld SOIC
ISL12022M
-R5421
1000
1
15
N
N
Y
Y
Shared Pin
128 Bytes
•EnhancedESDPerformance
•100%PinCompatiblewithISL12022M
•FirmwareCompatiblewithISL12020Mand
ISL12022M
Enhanced
20 Ld SOIC



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