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ISL12022 データシート(PDF) 2 Page - Intersil Corporation

部品番号 ISL12022
部品情報  Real Time Clock with On Chip 짹5ppm Temp Compensation
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メーカー  INTERSIL [Intersil Corporation]
ホームページ  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL12022 データシート(HTML) 2 Page - Intersil Corporation

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2
FN6659.2
June 23, 2009
Block Diagram
Ordering Information
PART NUMBER
(Note)
PART
MARKING
VDD RANGE
(V)
TEMP RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL12022IBZ*
12022 IBZ
2.7 to 5.5
-40 to +85
8 Ld SOIC
M8.15
*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.
I2C
INTERFACE
CONTROL
LOGIC
ALARM
FREQUENCY
OUT
RTC
DIVIDER
SDA
BUFFER
CRYSTAL
OSCILLATOR
POR
SWITCH
SCL
BUFFER
SDA
SCL
X1
X2
VDD
VBAT
IRQ/FOUT
INTERNAL
SUPPLY
VTRIP
SECONDS
MINUTES
HOURS
DAY OF WEEK
DATE
MONTH
YEAR
USER
SRAM
CONTROL
REGISTERS
GND
REGISTERS
TEMPERATURE
SENSOR
FREQUENCY
CONTROL
Pin Descriptions
PIN
NUMBER
SYMBOL
DESCRIPTION
1X1
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.
2X2
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.
3VBAT
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.
4GND
Ground.
5SDA
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.
6SCL
Serial Clock. The SCL input is used to clock all serial data into and out of the device.
7IRQ/FOUT
Interrupt Output/Frequency Output. Multi-functional pin that can be used as interrupt or frequency output pin. The
function is set via the configuration register. It is an open-drain output.
8VDD
Power Supply.
ISL12022


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