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M48T86MH1 View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M48T86MH1
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M48T86MH1 Datasheet PDF : 36 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
M48T86
5.0 V PC real-time clock
Not For New Design
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
t(s compensation
c Clock accuracy better than ±1 minute per
u month
rod ) Interfaced with software as 128 RAM locations:
P t(s – 14 bytes of clock and control registers
te c – 114 bytes of general purpose RAM
le u Selectable bus timing (Intel/Motorola)
so rod Three interrupts are separately software-
maskable and testable
b P – Time-of-day alarm (once/second to
- O te once/day)
) le – Periodic rates from 122 µs to 500 ms
t(s so – End-of-clock update cycle
c b Programmable square wave output
du - O 10 years of data retention and clock operation
ro ) in the absence of power
P t(s Self-contained battery and crystal in the
te c CAPHAT™ DIP package
le u Packaging includes a 28-lead SOIC and
so rod SNAPHAT® top (to be ordered separately)
SOIC package provides direct connection for a
b P SNAPHAT top contains the battery and crystal
O te Pin and function compatible with bq3285/7A
le and DS12887
so RoHS compliant
Ob– Lead-free second level interconnect
24
1
PCDIP24 (PC)
Battery/Crystal
CAPHAT
SNAPHAT (SH)
Battery/Crystal
28
1
SOH28 (MH)
December 2008
Rev 7
This is information on a product still in production but not recommended for new designs.
1/36
www.st.com
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