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参数资料
| 型号： | DS12885Q |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Timer or RTC |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PQCC28 |
| 封装： | PLASTIC, LCC-28 |
| 文件页数： | 1/6页 |
| 文件大小： | 127K |
| 代理商： | DS12885Q |
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062000
FEATURES
Drop–in replacement for IBM AT computer
clock/calendar
Pin configuration closely matches
MC146818B and DS1285
Counts seconds, minutes, hours, days, day of
the week, date, month, and year with leap
year compensation valid up to 2100
Binary or BCD representation of time,
calendar, and alarm
12– or 24–hour clock with AM and PM in
12–hour mode
Daylight Savings Time option
Selectable between Motorola and Intel bus
timing
Multiplex bus for pin efficiency
Interfaced with software as 128 RAM
locations
14 bytes of clock and control registers
114 bytes of general purpose RAM
Programmable square wave output signal Bus
compatible interrupt signals ( IRQ )
Three interrupts are separately software–
maskable and testable
Time–of–day alarm once/second to once/day
Periodic rates from 122
s to 500 ms
End of clock update cycle
Optional 28–pin PLCC surface mount
package or 32–pin TQFP
Optional industrial temperature range
available
PIN ASSIGNMENT
DS12885, DS12885Q, DS12885T
Real Time Clock
www.dalsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS12885Q/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:DSC 功能描述: |
| DS12885Q/T&R | 功能描述:实时时钟 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 |
| DS12885Q+ | 功能描述:实时时钟 RTC 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 |
| DS12885Q+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK MULTIPLEXED 114BYTE 28PLCC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC W/RAM 128 BYTE 28-PLCC 制造商:Maxim Integrated Products 功能描述:Real Time Clock RTC |
| DS12885Q+T&R | 功能描述:实时时钟 RTC 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 |
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