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ISL12023 데이터시트(PDF) 2 Page - Intersil Corporation

부품명 ISL12023
상세설명  Low Power RTC with Battery-Backed SRAM and Embedded Temp Compensation 짹5ppm with Auto Daylight Saving
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제조업체  INTERSIL [Intersil Corporation]
홈페이지  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL12023 데이터시트(HTML) 2 Page - Intersil Corporation

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2
FN6682.2
June 24, 2009
Block Diagram
Ordering Information
PART NUMBER
(Note)
PART
MARKING
VDD RANGE
(V)
TEMP RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL12023IVZ*
12023 IVZ
2.7 to 5.5
-40 to +85
14 Ld TSSOP
M14.173
*Add “-T” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
NOTE: 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
GND
I2C
INTERFACE
CONTROL
LOGIC
ALARM
FREQUENCY
OUT
RTC
DIVIDER
SDA
BUFFER
CRYSTAL
OSCILLATOR
POR
SWITCH
SCL
BUFFER
SDA
SCL
X1
X2
VDD
VBAT
INTERNAL
SUPPLY
VTRIP
SECONDS
MINUTES
HOURS
DAY OF WEEK
DATE
MONTH
YEAR
USER
SRAM
CONTROL
REGISTERS
REGISTERS
IRQ
FOUT
BROWNOUT
LVRST
ALARM
TEMPERATURE
SENSOR
FREQUENCY
CONTROL
Pin Descriptions
PIN
NUMBER
SYMBOL
DESCRIPTION
1, 7, 8, 14
NC
No connect. Do not connect.
2X1
Crystal Input. The X1 pin is the input of an inverting amplifier and is intended to be connected to one pin of an external
32.768kHz quartz crystal. X1 can also be driven directly from a 32.768kHz source.
3X2
Crystal Output. The X2 pin is the output of an inverting amplifier and is intended to be connected to one pin of an
external 32.768kHz quartz crystal. X2 should be left open when X1 is driven from external source.
4VBAT
Backup Supply. This input provides a backup supply voltage to the device. VBAT supplies power to the device in the
event that the VDD supply fails. This pin should be tied to ground if not used.
5GND
Ground.
6
LVRST
Low Voltage Reset pin for VCC Brownout Mode. Open drain configuration
9FOUT
Frequency Output. Frequency selectable through Control Register. Open drain configuration.
10
SDA
Serial Data. SDA is a bi-directional pin used to transfer serial data into and out of the device. It has an open drain output
and may be wire OR’ed with other open drain or open collector outputs.
11
SCL
Serial Clock. The SCL input is used to clock all serial data into and out of the device.
12
IRQ
Interrupt Output. Provides active low interrupt signal. Open drain configuration.
13
VDD
Power Supply.
ISL12023


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