參數(shù)資料
型號(hào)： DS3234SN
廠商： Maxim Integrated Products, Inc.
英文描述： Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM
中文描述： 非常精確的時(shí)鐘SPI總線集成晶體和SRAM
文件頁(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 328K
代理商： DS3234SN
D
Extremely Accurate SPI Bus RTC with
Integrated Crystal and SRAM
_____________________________________________________________________
9
Detailed Description
The DS3234 is a TCXO and RTC with integrated crystal
and 256 bytes of SRAM. An integrated sensor periodi-
cally samples the temperature and adjusts the oscillator
load to compensate for crystal drift caused by tempera-
ture variations. The DS3234 provides user-selectable
sample rates. This allows the user to select a tempera-
ture sensor sample rate that allows for various tempera-
ture rates of change, while minimizing current
consumption by temperature sensor sampling. The user
should select a sample rate based upon the expected
temperature rate of change, with faster sample rates for
applications where the ambient temperature changes
significantly over a short time. The TCXO provides a sta-
ble and accurate reference clock, and maintains the
RTC to within ±2 minutes per year accuracy from -40°C
to +85°C. The TCXO frequency output is available at the
32kHz pin. The RTC is a low-power clock/calendar with
Block Diagram
N
N
RST
V
CC
INT/SQW
CLOCK AND CALENDAR
REGISTERS
SRAM
USER BUFFER
(7 BYTES)
SPI INTERFACE AND
ADDRESS REGISTER
DECODE
POWER CONTROL
V
CC
V
BAT
GND
SCLK
SCLK
DIN
CS
DOUT
TEMPERATURE
SENSOR
CONTROL LOGIC/
DIVIDER
PUSHBUTTON RESET;
SQUARE-WAVE BUFFER;
INT/SQW CONTROL
CONTROL AND STATUS
REGISTERS
OSCILLATOR AND
CAPACITOR ARRAY
X1
X2
DS3234
32kHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS3234SN- 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM
DS3234SN# 功能描述:實(shí)時(shí)時(shí)鐘 Integrated RTC/TCXO/Crystal 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
DS3234SN#T&R 制造商:Maxim Integrated Products 功能描述:SPI BUS RTC W/INTEGR CRYSTAL AND SRAM 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 256BYTE 20SOIC W - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RTC SPI BUS W/TCXO 20-SOIC
DS3234SN#T&R 功能描述:實(shí)時(shí)時(shí)鐘 Integrated RTC/TCXO/Crystal 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
DS3234SN#TR 制造商:Maxim Integrated Products 功能描述:ACCURATE SPI BUS RTC WITH INTEGRATED CRYSTAL AND SRAM/ROHS - Bulk
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