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DESCRIPTION

HT5127B is a automotive digital clock, CMOS LSI. It drives fluorescent indicator panel directly. It can

be driven by a 4.194304 MHz crystal oscillator or an external clock signal (1024 Hz). It has 4-ways display brightness control function and its display format is 12 hours.

FEATURES

 4.194304 MHz crystal oscillator
 4-ways display brightness control
( Segment signal duty: 1, 1/4, 1/8, 1/16 )  Hours and Minutes Setting
  30 seconds auto correction
 1024 Hz external clock drive
 1024 Hz SIGNAL output
 Segment Output: P-channel open drain  40 DIP package MS-011AC