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M48T86PC1E(2007) View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M48T86PC1E
(Rev.:2007)
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M48T86PC1E Datasheet PDF : 36 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Features
Drop-in replacement for PC computer
clock/calendar
Counts seconds, minutes, hours, days, day of
the week, date, month, and year with leap year
compensation
Clock accuracy better than ±1 minute per
month
Interfaced with software as 128 RAM locations:
– 14 bytes of clock and control registers
– 114 bytes of general purpose RAM
Selectable bus timing (Intel/Motorola)
Three interrupts are separately software-
maskable and testable
– Time-of-day alarm (once/second to
once/day)
– Periodic rates from 122µs to 500ms
– End-of-clock update cycle
Programmable square wave output
10 years of data retention and clock operation
in the absence of power
Self-contained battery and crystal in the caphat
dip package
Packaging includes a 28-lead SOIC and
Snaphat® top (to be ordered separately)
SOIC package provides direct connection for a
snaphat top contains the battery and crystal
Pin and function compatible with bq3285/7A
and DS12887
M48T86
5.0 V PC real-time clock
24
1
PCDIP24 (PC)
Battery/Crystal
CAPHAT
SNAPHAT (SH)
Battery/Crystal
28
1
SOH28 (MH)
February 2007
Rev 5
1/36
www.st.com
1
 

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