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X1243S8

更新时间： 2024-11-22 22:35:31
品牌 Logo 应用领域
XICOR 闹钟可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
页数 文件大小 规格书
18页 94K
描述
Real Time Clock/Calendar/Alarm with EEPROM

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中文翻译

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X1243S8 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：PLASTIC, SOIC-8Reach Compliance Code：unknown
风险等级：5.78最大时钟频率：0.032 MHz
外部数据总线宽度：信息访问方法：SERIAL, 2-WIRE/I2C
中断能力：YJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9 mm
端子数量：8计时器数量：
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3/5 V认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Timer or RTC
最大供电电压：5.5 V最小供电电压：2.7 V
标称供电电压：5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
最短时间：SECONDS处于峰值回流温度下的最长时间：NOT SPECIFIED
易失性：YES宽度：3.9 mm
uPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCKBase Number Matches：1

X1243S8 数据手册

 浏览型号X1243S8的Datasheet PDF文件第2页浏览型号X1243S8的Datasheet PDF文件第3页浏览型号X1243S8的Datasheet PDF文件第4页浏览型号X1243S8的Datasheet PDF文件第5页浏览型号X1243S8的Datasheet PDF文件第6页浏览型号X1243S8的Datasheet PDF文件第7页 
16K  
2-Wire RTC  
X1243  
Real Time Clock/Calendar/Alarm with EEPROM  
DESCRIPTION  
FEATURES  
• 2 Alarms—Interrupt Output  
—Settable on the Second, 10s of Seconds,  
Minute, 10s of Minutes, Hour, Day, Month, or  
Day of the Week  
The X1243 is a Real Time Clock with clock/calendar  
circuits and two alarms. The dual port clock and alarm  
registers allow the clock to operate, without loss of  
accuracy, even during read and write operations.  
—Repeat alarm for time base generation  
• 2 Wire Interface interoperable with I2C.  
—400kHz data transfer rate  
• Secondary Power Supply Input with internal  
switch-over circuitry.  
• Year 2000 Compliant  
• 2K bytes of EEPROM  
—64 Byte Page Write Mode  
The clock/calendar provides functionality that is con-  
trollable and readable through a set of registers. The  
clock, using a low cost 32.768kHz crystal input, accu-  
rately tracks the time in seconds, minutes, hours, date,  
day, month and years. It has leap year correction,  
automatic adjustment for the year 2000 and months  
with less than 31 days.  
—3 bit Block Lock  
• Low Power CMOS  
—<1µA Operating Current  
An alarm match of the RTC sets an interrupt flag and  
activates an interrupt pin. An alternative alarm function  
provides a pulsed interrupt for long time constant time-  
bases.  
—<3mA Active Current during Program  
—<400µA Active Current during Data Read  
• Single Byte Write Capability  
• Typical Nonvolatile Write Cycle Time: 5ms  
• High Reliability  
—100,000 Endurance Cycles  
—Guaranteed Data Retention: 100 Years  
• Small Package Options  
The device offers a backup power input pin. This  
Vback pin allows the device to be backed up by a non-  
rechargeable battery. The RTC is fully operational  
from 1.8 to 5.5 volts.  
The X1243 provides a 2K byte EEPROM array, giving  
a safe, secure memory for critical user and configura-  
tion data. This memory is unaffected by complete fail-  
ure of the main and backup supplies.  
—8-Lead SOIC Package, 8L TSSOP Package  
BLOCK DIAGRAM  
X1  
Timer  
Calendar  
Logic  
Frequency  
Divider  
1Hz  
Time  
Keeping  
Registers  
32.768kHz  
Oscillator  
X2  
(SRAM)  
Control  
Status  
Control  
Decode  
Logic  
Compare  
Registers  
Register  
Alarm  
Serial  
Interface  
Decoder  
(EEPROM)  
(SRAM)  
SCL  
SDA  
Alarm Regs  
(EEPROM)  
8
16K  
EEPROM  
Array  
Interrupt Enable  
Alarm  
IRQ  
Xicor, Inc. 1994, 1995, 1996 Patents Pending  
9900-3003.1 4/1/99  
Characteristics subject to change without notice  
1
1234567...18

中文翻译

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