RTC-62421 Datasheet (Epson Company) - 4-bit REAL TIME CLOCK MODULE

RTC-62421, 4-bit REAL TIME CLOCK MODULE

Bit name Writable.

Recognized as 0 while in read mode.

∗ mark Read only (effective only when HOLD=1) BUSY Enter “0” only when clearing interruption.

Enter “1” otherwise.

IRQ FLAG Set able only when RESET=1 24H/12H For our company's testing.

TEST should be “0” in normal use.

TEST Note: Do not enter e

Real time clock module 4-bit REAL TIME CLOCK MODULE RTC-62421/62423 Builtin crystal unit allows adjustment-free efficient operation.

Low standby voltage and current consumption (1.8µA at 2V).

Wide range of operating temperature (from -40˚C to +85˚C).

24H/12H changeable and leap year automatically adjustable (gregorian calendar).

Similar mounting method (RTC-62423) to that used for universal type SMD IC.

Pins and functions are compatibl