ISL26102 INTERSIL [Intersil Corporation], ISL26102 Datasheet - Page 12

• Manufacturer Part Number: ISL26102
• Manufacturer: INTERSIL [Intersil Corporation]

INTERSIL
PLC
Real Time Clock
12 | www.intersil.com/industrial_process_control
ISL12020M
ISL12022M
ISL12022MA
ISL12022M-R5421
3 in 1 RTC Module
(RTC + Embedded
Crystal + Temp Sensor)
Achieves Better than
±5ppm Accuracy
Key Features
• ±5ppm Accuracy (-40°C to +85°C)
• Reliable Timekeeping & Power Management
• User Programmability
• See Also
Device
- Factory Programmed RTC for Optimal Accuracy
- Onboard Temperature Sensor
- Embedded Crystal
- Backup Battery Management
- Vdd and Battery Status Monitors and Switchover
- Battery Reseal
- I
- 128 Bytes Battery-Backed User SRAM
- ISL12020M (DFN 3 in 1); ISL12022 and ISL12023
Analog Input
Timestamp
Life
Standalone RTCs
2
SELECTION GUIDE | INDUSTRIAL PROCESS CONTROL SOLUTIONS
C Interface
1000
1000
1000
1000
(nA)
I
BAT
Alarms
TM
1
1
1
1
Function Extends Battery Shelf
Selectable
Frequency
Output
15
15
15
15
Analog Output
POR
N
N
N
N
CPU Supervisory
Function
Watchdog Timer
N
N
N
N
Seal
Y
Y
Y
Y
RTC Modules with Embedded Crystal and Temp Comp: ISL12022M
Battery
Control
Backup
Super Cap
Battery or
Y
Y
Y
Y
-100.0
-120.0
-140.0
-160.0
-20.0
-40.0
-60.0
-80.0
Block Diagram
2.7V to 5.5V
1.8V to 5.5V
High Accuracy Even in Extreme Temperature Conditions
0.0
-40
IRQ
Shared Pin
Shared Pin
Shared Pin
Shared Pin
V
V
-20
BAT
DD
ISL12022M Compensated
Crystal Drift
Uncompensated Crystal Drift
F
0
OUT
Temperature (°C)
20
V
Embedded Crystal
TRIP
128 Bytes
128 Bytes
128 Bytes
128 Bytes
±
SRAM
Oscillator
Crystal
40
Power Control
60
Sensors
• Battery Switchover Time Stamp
• Battery Status Monitor
• Battery Switchover Time Stamp
• Battery Status Monitor
• Enhanced Environmental MoistureTolerance
• Firmware Compatible with ISL12020M and
ISL12022M
• Enhanced ESD Performance
• Firmware Compatible with ISL12020M and
ISL12022M
POR
ISL12022M
80
Frequency
Control
Switch
100
Other Functions
Brown-out
Registers
ReSeal™
Compen-
Sensor
Battery
sation
Single
Alarm
Alarm
Temp
-1
-2
-3
-4
-5
5
4
3
2
1
0
-40
Better than ±5.0ppm
-20
over -40 to +85°C!
User SRAM
Battery-
backed
Embedded Temperature
Sensor
Calendar
Clock
0
TEMPERATURE (°C)
20
Power
IRQ/F
40
I
2
C
OUT
20 Ld DFN
20 Ld SOIC
Enhanced
20 Ld SOIC
Enhanced
20 Ld SOIC
60
Package
µP
80