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ISL12022M-R5421 Datasheet(PDF) 10 Page - Intersil Corporation

Part # ISL12022M-R5421
Description  Providing high-performance solutions for every link in the signal chain
PDF  44 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL12022M-R5421 Datasheet(HTML) 10 Page - Intersil Corporation

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Intersil Signal Path Products  2012  www.intersil.com
Add Battery Backup to a Low Cost RTC
Without a VBAT Input
Low-Cost, Low-Power RTC: ISL12058
World’s Smallest, Low
Cost and Low Power
RTC
Device
IBAT
(nA)
Alarms
Selectable
Frequency
Output
CPU Supervisory
Function
Battery
IRQ
FOUT
SRAM
Other
Functions
Package
POR
Watchdog Timer Seal
Backup
With Battery Backup
ISL12008
800
1
1
N
N
Y
Y
-
Dedicated Pin
8 Ld SOIC
With Battery Backed SRAM
ISL1208
400
1
15
N
N
Y
Y
Shared Pin
2 Bytes
8 Ld MSOP, 8 Ld SOIC,
8 Ld TDFN
ISL1218
400
1
15
N
N
Y
Y
Shared Pin
8 Bytes
8 Ld MSOP, 8 Ld SOIC
ISL1220
400
1
15
N
N
Y
Y
Dedicated Pin
Dedicated Pin
8 Bytes
10 Ld MSOP
With Battery Backed SRAM and Event Detection
ISL1209
400
1
15
N
N
Y
Y
Shared Pin
2 Bytes
• Event Detect
10 Ld MSOP
ISL1219
400
1
15
N
N
Y
Y
Shared Pin
2 Bytes
• Event Detect
• Time Stamp
10 Ld MSOP
ISL1221
400
1
15
N
N
Y
Y
Dedicated Pin
Dedicated Pin
2 Bytes
• Event Detect
• Time Stamp
10 Ld MSOP
With IRQs, Alarm and Timer
ISL12057
400
2
4
N
N
N
N
Shared Pin
N
• 3V
8 Ld SOIC, 8 Ld MSOP,
8 Ld TDFN
ISL12058
400
2
4
N
N
N
N
Shared Pin
N
• 3V
8 Ld SOIC, 8 Ld MSOP,
8 Ld TDFN, 8 Ld
µTDFN
ISL12059
400
0
1
N
N
N
N
Shared Pin
N
• 3V
8 Ld SOIC
ISL12082
800
1
4
N
N
Y
Y
Dedicated Pin
Dedicated Pin
N
• Alarm
• Timer
10 Ld MSOP, 8 Ld SOIC
VDD
VIN = 3.3V
GND
0.1µF
VBAT =3V
BAT54C
ISL12058
Key Features
• Low Power
- Time keeping current = 650nA max @ 1.8V
• Ideal for Portable Applications
- Operates over 1.4V to 3.6V supplies
• 56% Smaller than Competitive Solutions
- 8-µTDFN (2x2x0.55mm)
• Easy to Design-in
- Pin-to-pin replacement: 8-tDFN (3x3mm), 8-MSOP,
8-SOIC
• User Programmability
- I2C interface
- Selectable frequency outputs and alarms
• See Also:
- ISL12057 (uses crystal: 6pF || load capacitance)
- ISL12059 (FOUT = 512Hz, no alarm)
►Low-Cost, Low-Power



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