Part Number Hot Search : 
2SK2788 EAXXX 0N10E 03606LMD P4KE100 RW67V MEGA3 TM24064L
Product Description
Full Text Search
 

To Download RX4575LC Datasheet File

  If you can't view the Datasheet, Please click here to try to view without PDF Reader .  
 
 


  Datasheet File OCR Text:
 June 6, 2006
Epson Toyocom Announces RX-4575LC Real Time Clock Module with Chattering-Free*1 Input Detection Port
Epson Toyocom Corporation, the leader in quartz devices, today announced the development of a new real time clock module with a built-in crystal unit. The RX-4575LC contains a feature that generates an interrupt signal when an external input signal is detected. Samples will begin shipping in June 2006. As more features are packed into small electronic devices, the main CPU and controller chips in these devices are running out of I/O ports, forcing designers to choose between a variety of signals. Epson Toyocom developed a multi-function real time clock module with two chatteringfree inputs to relieve this kind of hardware resource shortage. The addition of these inputs simplifies the circuit design process by removing the need for an external chattering elimination circuit, and by enabling I/O ports to detect different kinds of signals. Input detection port features Input signal detection: Select and use either hardware interrupt signal generation or serial-based software monitoring, depending on the system Pull-up and pull-down resistance built into each port: Can be disconnected as required Variable chattering absorption time: Set input signal detection responsiveness to a high level of accuracy Time-out after signal detection: A power-saving feature that automatically disconnects built-in resistance after input signal detection Main specifications Item Operating power-supply voltage Standby current consumption Chattering free variable rate Pull-up/down resistance Dimensions RX-4575LC specifications 1.6V to 5.5V 0.35 A (Typ.) / 3V 8 ms, 31 ms, 62 ms, 125 ms 60 k (Typ.) / 3V 3.6 x 2.8 x 1.2 mm (12-pin VSOJ)
Three-line serial interface Built-in 32.768 kHz crystal unit: 5 23 x 10-6 frequency stability Automatic leap year correction, full calendar clock Day, hour, minute alarm 12-bit timer interrupt function Two input detection terminals Two interrupt output terminals OE-enabled 32.768 kHz CMOS output
Glossary (*1) Chattering-free: A circuit that can ignore the chattering phenomenon by using a filter circuit designed to eliminate short signals under a certain length of time on the input of a switch signal is called a "chattering-free input circuit." The operation of a push-button switch generates a phenomenon called "chattering." This is when an electrical signal occurs many times due to repeated electrical contact for very short lengths of time when a switch is turned on or off. An operation to generate one signal ends up generating multiple signals, causing errors when directly connected to an electric circuit. The chattering-free input circuit prevents this kind of trouble.


▲Up To Search▲   

 
Price & Availability of RX4575LC

All Rights Reserved © IC-ON-LINE 2003 - 2022  

[Add Bookmark] [Contact Us] [Link exchange] [Privacy policy]
Mirror Sites :  [www.datasheet.hk]   [www.maxim4u.com]  [www.ic-on-line.cn] [www.ic-on-line.com] [www.ic-on-line.net] [www.alldatasheet.com.cn] [www.gdcy.com]  [www.gdcy.net]


 . . . . .
  We use cookies to deliver the best possible web experience and assist with our advertising efforts. By continuing to use this site, you consent to the use of cookies. For more information on cookies, please take a look at our Privacy Policy. X