ISL12022M-R5421 INTERSIL [Intersil Corporation], ISL12022M-R5421 Datasheet - Page 10

• Manufacturer Part Number: ISL12022M-R5421
• Description: Providing high-performance solutions for every link in the signal chain
• Manufacturer: INTERSIL [Intersil Corporation]

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