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ISL12059 반도체 회로 부품 판매점

Low Cost and Low Power I2C Bus Real Time Clock/Calendar



Intersil Corporation 로고
Intersil Corporation
ISL12059 데이터시트, 핀배열, 회로
www.DataSheet4U.com
ISL12059
® Low Cost and Low Power I2C BusReal Time Clock/Calendar
Data Sheet
June 15, 2009
FN6757.0
Low Power and Low Cost RTC
The ISL12059 device is a low power real time clock with
clock/calendar, and 512Hz/digital output function.
The oscillator uses an external, low-cost 32.768kHz crystal.
The real time clock tracks time with separate registers for
hours, minutes, and seconds. The device has calendar
registers for date, month, year and day of the week. The
calendar is accurate through 2099, with automatic leap year
correction.
Pinout
ISL12059
(8 LD SOIC)
TOP VIEW
Features
• Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Date, Month, and Year
• 512Hz Frequency Output
• I2C Bus
- 400kHz Data Transfer Rate
• Small Package Option
- 8 Ld SOIC Package
- Pb-Free (RoHS Compliant)
• Low Cost 3V Alternative to M41T00S, DS1340 and
ISL12008
X1 1
X2 2
NC 3
GND 4
8 VDD
7 FT/OUT
6 SCL
5 SDA
Applications
• Utility Meters
• HVAC Equipment
• Audio/Video Components
• Set-Top Box/Television
• Modems
• Network Routers, Hubs, Switches, Bridges
• Cellular Infrastructure Equipment
• Fixed Broadband Wireless Equipment
• Pagers/PDA
• Point Of Sale Equipment
• Test Meters/Fixtures
• Office Automation (Copiers, Fax)
• Home Appliances
• Computer Products
• Other Industrial/Medical/Automotive
Ordering Information
.
PART
NUMBER
(Note)
PART
MARKING
VDD RANGE
(V)
TEMP. RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL12059IBZ
12059 IBZ
1.4 to 3.6
-40 to +85
8 Ld SOIC
M8.15
ISL12059IBZ-T*
12059 IBZ
1.4 to 3.6
-40 to +85
8 Ld SOIC (Tape and Reel) M8.15
*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.
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2009. All Rights Reserved
I2C BusAll other trademarks mentioned are the property of their respective owners


ISL12059 데이터시트, 핀배열, 회로
www.BDaltoaSchkeeDt4Uia.cgomram
ISL12059
SDA
SCL
X1
X2
VDD
SDA
BUFFER
SCL
BUFFER
I2C
INTERFACE
RTC
CONTROL
LOGIC
CRYSTAL
OSCILLATOR
POR
RTC
DIVIDER
FREQUENCY
OUT
INTERNAL
SUPPLY
SECONDS
MINUTES
HOURS
DAY OF WEEK
DATE
MONTH
YEAR
CONTROL
REGISTERS
FT/OUT
Pin Descriptions
PIN
NUMBER
1
2
3
4
5
6
7
8
SYMBOL
X1
X2
NC
GND
SDA
SCL
FT/OUT
VDD
DESCRIPTION
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.
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.
No Connection. Can be connected to GND or left floating.
Ground
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.
The Serial Clock (SCL) input is used to clock all serial data into and out of the device.
512Hz Frequency Output or digital output pin. The function is set via the configuration register. This pin is open drain
and requires an external pull-up resistor. It has a default output of high impedance at power-up.
Power supply
2 FN6757.0
June 15, 2009




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