MSM62X42BRSA

 

 

FEATURES

• STOP/START function for clock

• 12/24 hour selectable

• AEL input for 8048 system, 8051 system

or 8085 system (when a microcomputer

does not provide the ALE output, fix the

AEL input at "H".)

• Low current consumption for CMOS

device

• Low STANDBY voltage and small

STANDBY current

• 18-pin plastic DIP(DIP18-P-300)

• 24-pin plastic SOP

• 32.768kHz built-in crystal oscillator

(2 ranks of ±10PPM and ±50PPM ---

DIP)

(2 ranks of ±20PPM and ±50PPM ---

SOP)

• Real time clock of second, minute, date,

month, year and day of week

• Interface corresponding to microcomputer bus

• 30-second compensation controlled by

software

• Periodical interrupt function (or

periodical waveform output) for alarm

 

 

 

**注意 & Noted:

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