RTC72421A IC linear digital integrated circuits Program ic Chip Memory IC

4-bit REAL TIME CLOCK MODULE

RTC-72421/72423

• Builtin crystal unit allows adjustment-free efficient operation.

• ALE input terminal available for 8048, 8051, and 8085 series.

• 12/24H clock switchover function and automatic leap year setting.

• Interrupt masking.

• 30 second adjustment function.

• Low current consumption and features a backup function.

PART OF STOCK

CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electronic components that are hard to find and even obsolete. We have taken pride in our innovation, reliability and service, especially in the semiconductor marketplace.
Our distribution brands include XILINX，ALTERA，ATMEL, INFINEON, ST,SAMSUNG，TEXAS INSTRUMENTS，ON，TOSHIBA，，MICROCHIP，CYPRESS，FREESCALE，etc. We distributes over 200,000 products ranging from semiconductors to resistors, capacitors, diodes, inductors, connectors, transistors, sensors and so on.
Our mission is to meet and exceed all the expecations of what we supply to customers.