參數(shù)資料
型號(hào)： DS12885Q
英文描述： Real-Time Clock
中文描述： 實(shí)時(shí)時(shí)鐘
文件頁數(shù)： 1/4頁
文件大?。?/td> 132K
代理商： DS12885Q
1 of 6
072902
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
http://www.maxim-ic.com/errata
.
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-hour 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
μ
s to 500ms
§
End-of-clock update cycle
§
Optional 28-pin PLCC surface mount package
or 32-pin TQFP
§
Optional industrial temperature range
available
§
Underwriters Laboratory (UL) recognized
PIN ASSIGNMENT (Top View)
Package Dimension Information
http://www.maxim-ic.com/TechSupport/DallasPackInfo.htm
DS12885/DS12885Q/DS12885T
Real-Time Clock
www.maxim-ic.com
www.maxim-ic.com
DS12885Q
28 PLCC
DS12885T
32 TQFP
D
相關(guān)PDF資料
PDF描述
DS12885S Real-Time Clock
DS12885T Real-Time Clock
DS12885TN Real-Time Clock
DS12887 Real Time Clock
DS12B887 Real Time Clock
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS12885Q+ 功能描述:實(shí)時(shí)時(shí)鐘 RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝: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:實(shí)時(shí)時(shí)鐘 RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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