clock
PIN ASSIGNMENT (Top View)
DS12885, 24 DIP DS12885S, 24 SO 300mil
www.maxim-ic.com
FEATURES
Drop- in replacement for IBM AT computer clock/calendar Pin configuration closely matches MC146818B and DS1285 Coun...
Description
Real-time clock, 14 bytes of clock and control registers, 114 bytes of general purpose RAM Real-Time clock 实时时钟
clock
www.dalsemi.com
FEATURES
Drop-in replacement for IBM AT computer clock/calendar Pin-compatible with the MC146818B and DS1287 Totally nonvolatile with over 10 years of operation in the absence of power Self-contained su...
clock with NV RAM Control
www.dalsemi.com
FEATURES
Direct replacement for IBM AT computer clock/calendar Functionally compatible with the DS1285/DS1287 Available as chip (DS14285, DS14285S, or DS14285Q) or stand-alone module with embed...
Description
Real-Time clock with NV RAM Control Real Time clock with NV RAM Control
clock
www.maxim-ic.com
FEATURES
Incorporates industry standard DS1287 PC clock plus enhanced features: Y2K compliant +3V or +5V opera...calendar chip with the features described above. An external crystal and battery are the only compon...
clock
RP/RF/RJ5C15
OUTLINE
NO. EK-086-9908
The RP/RF/RJ5C15 are real-time clocks for microcomputers that can be connected directly...calendar and alarm functions and can be backed up by batteries.
FEATURES
* Connected directly to...