參數(shù)資料
型號: DS1341U+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 11/16頁
文件大?。?/td> 0K
描述: IC RTC I2C W/ALARM 8USOP
產(chǎn)品培訓模塊: DS134x Real Time Clocks
Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
類型: 時鐘/日歷
特點: 警報器,閏年,方波輸出
時間格式: HH:MM:SS(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 1.8 V ~ 5.5 V
電壓 - 電源,電池: 1.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 8-uMAX
包裝: 標準包裝
其它名稱: DS1341U+T&RDKR
4
Maxim Integrated
Low-Current I2C RTCs for High-ESR Crystals
DS1341/DS1342
Note 11: CB is the total capacitance of one bus line, including all connected devices, in pF.
Note 12: Guaranteed by design; not 100% production tested.
Note 13: The parameter tOSF is the period of time the oscillator must be stopped for the OSF flag to be set over the voltage
range of 2.4V P VCC P VCCMAX.
Note 14: The DS1341/DS1342 can detect any single SCL clock held low longer than tTIMEOUTMIN. The devices’ I2C interface is
in reset state and can receive a new START condition when SCL is held low for at least tTIMEOUTMAX. Once the device
detects this condition, the SDA output is released. The oscillator must be running for this function to work.
Figure 1. Data Transfer on I2C Serial Bus
Functional Diagram
SCL
NOTE: TIMING IS REFERENCED TO VILMAX AND VIHMIN.
SDA
STOP
START
REPEATED
START
tBUF
tHD:STA
tHD:DAT
tSU:DAT
tSU:STO
tHD:STA
tSP
tSU:STA
tHIGH
tR
tF
tLOW
DS1341/DS1342
P
N
/4
/32
EXTSYNC
CONTROL LOGIC
OSC-1Hz
ALARM AND
CONTROL REGISTERS
CLOCK AND
CALENDAR REGISTERS
/2
128Hz
OSC-1Hz
SQW/INTB
CLKIN/INTA
X1
X2
SCL
SDA
4.096kHz
8.192kHz
32.768kHz
MUX/
BUFFER
DIVIDER
EXT-1Hz
VCC
SERIAL BUS
INTERFACE AND
ADDRESS
REGISTER
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