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參數(shù)資料
| 型號(hào)： | DS1678 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP8 |
| 封裝： | 0.300 INCH, DIP-8 |
| 文件頁(yè)數(shù)： | 1/24頁(yè) |
| 文件大小： | 301K |
| 代理商： | DS1678 |
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FEATURES
Real Time Clock/Calendar in BCD format
counts seconds, minutes, hours, date, month,
day of the week, and year with leap year
compensation and is year 2000 compliant
Logs up to 1025 consecutive events in read-
only nonvolatile memory
The Event trigger is user programmable and
can be triggered by the falling edge, rising
edge, or rising and falling edges of the
INT
pin
Event Count register provides data on the
number of events that have been logged in the
current event logging mission
Programmable Real Time Clock alarm
User programmable NV memory (32 bytes)
Two-wire serial interface allows for a simple
connection to your system
Three resolution options are available to trade
off accuracy versus maximum time between
events
PIN ASSIGNMENT
Package dimension information can be found at:
www.dalsemi.com/datasheets/mechdwg.html
PIN DESCRIPTION
VBAT
- Battery Supply
X1
- Crystal Input
X2
- Crystal Output
INT
- Interrupt Input/Output
GND
- Ground
SDA
- 2-wire Input/Output
SCL
- 2-wire Clock Input
VCC
- +5V Supply
ORDERING INFORMATION
DS1678
8-pin DIP (300-mil)
DS1678S
8-pin SOIC (208-mil)
DESCRIPTION
The DS1678 is a Real Time Clock (RTC) event logger that will record the time and date of a non-
periodic, asynchronous event each time the INT pin is activated. The device will record the seconds,
minutes, hours, date, day of the week, month, year and century when the first event occurs. Subsequent
events will trigger the recording of the 16-bit Elapsed Time Counter (ETC) into the 2048 bytes of Event
Log Memory. This will allow for up to 1025 events to be logged.
The Event Count register contains the total number of events that have been logged in the current event
logging mission. The Event Count register will also allow the user to determine if the data in the Event
Log Memory has rolled over.
DS1678
Real Time Event Recorder
PRELIMINARY
www.dalsemi.com
1
2
3
45
6
7
8
VBAT
Vcc
GND
INT
SCL
SDA
X2
X1
8-pin SOIC (208-mil)
8-pin DIP (300-mil)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1682S | 0 TIMER(S), TIME RECORDER, PDSO8 |
| DS1682 | 0 TIMER(S), TIME RECORDER, PDSO8 |
| DS1685-3 | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| DS1687-5 | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| DS1685Q-3 | 1 TIMER(S), REAL TIME CLOCK, PQCC28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1678+ | 功能描述:實(shí)時(shí)時(shí)鐘 Real-Time Event Recorder 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 |
| DS1678J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DS1678J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DS1678K | 功能描述:KIT EVAL RT EVENT RECORD DS1678 RoHS:否 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 過(guò)時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| DS1678S | 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 |
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