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X1226_06 PDF预览

X1226_06

更新时间: 2024-09-17 03:54:19
品牌 Logo 应用领域
英特矽尔 - INTERSIL 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
25页 372K
描述
Real Time Clock/Calendar with EEPROM

X1226_06 数据手册

 浏览型号X1226_06的Datasheet PDF文件第2页浏览型号X1226_06的Datasheet PDF文件第3页浏览型号X1226_06的Datasheet PDF文件第4页浏览型号X1226_06的Datasheet PDF文件第5页浏览型号X1226_06的Datasheet PDF文件第6页浏览型号X1226_06的Datasheet PDF文件第7页 
X1226  
®
4K (512 x 8), 2-Wire RTC  
Data Sheet  
May 8, 2006  
FN8098.3  
APPLICATIONS  
Real Time Clock/Calendar with EEPROM  
• Utility Meters  
FEATURES  
• HVAC Equipment  
• Audio/Video Components  
• Set Top Box/Television  
• Modems  
• Network Routers, Hubs, Switches, Bridges  
• Cellular Infrastructure Equipment  
• Fixed Broadband Wireless Equipment  
• Pagers/PDA  
• POS Equipment  
• Test Meters/Fixtures  
• Office Automation (Copiers, Fax)  
• Home Appliances  
• Computer Products  
• Real Time Clock/Calendar  
—Tracks Time in Hours, Minutes, and Seconds  
—Day of the Week, Day, Month, and Year  
• 2 Polled Alarms (Non-volatile)  
—Settable on the Second, Minute, Hour, Day of  
the Week, Day, or Month  
—Repeat Mode (periodic interrupts)  
• Oscillator Compensation On Chip  
—Internal Feedback Resistor and Compensation  
Capacitors  
—64 Position Digitally Controlled Trim Capacitor  
—6 Digital Frequency Adjustment Settings to  
±30ppm  
• Other Industrial/Medical/Automotive  
• Battery Switch or Super Cap Input  
• 512 x 8 Bits of EEPROM  
DESCRIPTION  
—64-Byte Page Write Mode  
The X1226 device is a Real Time Clock with  
clock/calendar, two polled alarms with integrated  
512x8 EEPROM, oscillator compensation, and battery  
backup switch.  
—8 Modes of Block Lock™ Protection  
—Single Byte Write Capability  
• High Reliability  
—Data Retention: 100 Years  
—Endurance: 100,000 Cycles Per Byte  
• 2-Wire™ Interface Interoperable with I C  
—400kHz Data Transfer Rate  
• Frequency Output (SW Selectable: Off, 1Hz,  
4096Hz or 32.768kHz)  
The oscillator uses an external, low-cost 32.768kHz  
crystal. All compensation and trim components are  
integrated on the chip. This eliminates several external  
discrete components and a trim capacitor, saving  
board area and component cost.  
2
• Low Power CMOS  
—1.25µA Operating Current (Typical)  
• Small Package Options  
—8 Ld SOIC and 8 Ld TSSOP  
• Repetitive Alarms  
• Temperature Compensation  
• Pb-Free Plus Anneal Available (RoHS Compliant)  
BLOCK DIAGRAM  
OSC  
Compensation  
X1  
Timer  
Calendar  
Logic  
Battery  
Switch  
Circuitry  
Time  
Keeping  
Registers  
VCC  
Frequency  
Divider  
1Hz  
Oscillator  
32.768kHz  
VBACK  
X2  
Select  
(SRAM)  
PHZ/IRQ  
Status  
Control/  
Control  
Decode  
Logic  
Compare  
Serial  
Interface  
Decoder  
Registers  
SCL  
SDA  
Registers  
Alarm  
(EEPROM)  
(SRAM)  
Alarm Regs  
(EEPROM)  
8
4K  
EEPROM  
ARRAY  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2005-2006. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  

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