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DS1688

Dallas Semiconductor
Part Number DS1688
Manufacturer Dallas Semiconductor
Description (DS1688 / DS1691) 3 Volt/5 Volt Serialized Real Time Clock
Published Apr 3, 2008
Detailed Description www.DataSheet4U.com DS1688/DS1691 DS1688/DS1691 3 Volt/5 Volt Serialized Real Time Clock with NV RAM Control FEATURES...
Datasheet PDF File DS1688 PDF File

DS1688
DS1688

Overview
www.
DataSheet4U.
com DS1688/DS1691 DS1688/DS1691 3 Volt/5 Volt Serialized Real Time Clock with NV RAM Control FEATURES Incorporates industry standard DS1287 PC clock plus enhanced features: PIN ASSIGNMENT VBAUX X1 X2 RCLR AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 PWR GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CEI CEO VCCI VCCO SQW VBAT IRQ PSEL RD GND WR ALE CS KS VBAUX X1 X2 RCLR AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 PWR GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CEI CEO VCCI VCCO SQW VBAT IRQ PSEL RD GND WR ALE CS KS • +3 or +5 volt operation • 64–bit Silicon serial number • 64–bit customer specific ROM or additional serial numb...


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