ISL12020MIRZ-T7A Datasheet, PDF (2/34 Pages) Intersil Corporation – Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving

ISL12020M
Block Diagram
SDA
SCL
X1
SDA
BUFFER
SCL
BUFFER
I²C
INTERFACE
X2
V_DD
V_TRIP
+-
V_BAT
GND
CRYSTAL
OSCILLATOR
RTC
DIVIDER
POR
FREQUENCY
OUT
SWITCH
INTERNAL
SUPPLY
TEMPERATURE
SENSOR
FREQUENCY
CONTROL
CONTROL
LOGIC
REGISTERS
ALARM
SECONDS
MINUTES
HOURS
DAY OF WEEK
DATE
MONTH
YEAR
CONTROL
REGISTERS
USER
SRAM
IRQ/F_OUT
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART
MARKING
V_DD RANGE TEMP RANGE
(V)
(°C)
PACKAGE
(RoHS COMPLIANT)
PKG DWG #
ISL12020MIRZ (Note 2)
ISL 12020MIRZ
2.7 to 5.5
-40 to +85 20 Ld DFN
L20.5.5x4.0
ISL12020MIRZ-EVALZ
Evaluation Board
NOTES:
1. 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.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL12020M. For more information on MSL please see techbrief TB363.
Pin Configuration
ISL12020M
(20 LD DFN)
TOP VIEW
X2 1
X2 2
X2 3
X2 4
X2 5
NC 6
V_BAT 7
GND 8
NC 9
NC 10
THERMAL
PAD
20 X1
19 X1
18 X1
17 X1
16 X1
15 NC
14 V_DD
13 IRQ/FOUT
12 SCL
11 SDA
2
FN6667.5
December 13, 2011