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FN6755.1
ISL12057
Low Cost and Low Power I2C RTC Real Time Clock/Calendar
Low Power and Low Cost RTC with Alarm
Function and Dual IRQ Pins
The ISL12057 device is a low-power, real-time clock that is
pin compatible and functionally equivalent to Maxim DS1337
with clock/calendar and alarm function.
The oscillator uses an external, low-cost 32.768kHz crystal
with 6pF load capacitance. 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.
Pinouts
ISL12057
(8 LD SOIC, MSOP)
TOP VIEW
ISL12057
(8 LD TDFN)
TOP VIEW
Features
Pin Compatible to Maxim DS1337
Functionally Equivalent to Maxim DS1337
Real-Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Date, Month, and Year
Dual Interrupts for Frequency Output and Alarm
interrupts
Four Selectable Frequency Outputs
Two Alarms
- Settable to the Second, Minute, Hour, Day of the Week,
and Date
I2C Interface
- 400kHz Data Transfer Rate
Small Package Options
- 8 Ld 2mmx2mm TDFN
- 8 Ld MSOP
- 8 Ld SOIC
- Pb-Free (RoHS Compliant)
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
X1
X2
IRQ2
GND
1
2
3
4
8
7
6
5
VDD
IRQ1/FOUT
SCL
SDA
2
3
4
1
7
6
5
8
X1
X2
IRQ2
GND
VDD
IRQ1/FOUT
SCL
SDA
Data Sheet
March 3, 2011
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|Copyright Intersil Americas Inc. 2009, 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数
ISL12057IUZ-T 功能描述:实时时钟 REAL TIME CLK W/ ALARM DS1337 COMP RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
ISL12058 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Cost and Low Power I2C-Bus? Real Time Clock/Calendar
ISL12058IBZ 功能描述:实时时钟 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
ISL12058IBZ-T 功能描述:实时时钟 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
ISL12058IRTZ 功能描述:实时时钟 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
ISL12058IRTZ-T 功能描述:实时时钟 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
ISL12058IRUZ-T 功能描述:实时时钟 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
ISL12058IUZ 功能描述:实时时钟 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube