8
What
makes
the
TIMEX
SSQ so
accurate.
This is the timekeeping system of the
TIMEX
SSQ
.
All
its
major
circuits
are integrated
on
a tiny silicon
chip
containing over 2,000 transistors
in
an area
approxirr;;~e
!;.
/. inch square. The system is powered
by
a
s-..a
T \·Ex Energy Cell.
-,_~
~
:;: ·q
a:or
circuit
drives the quartz crystal,
.-.~
:=-
:3:
~:es
32
.768 times a second, producing
.;;
;
::·
:a : _
;es
::"l;ch are applied
to
the divider
circuits
-~.;:.
:::e·
:··
:·
J·ts then reduce these electrical
:•.
:.~5
::
:-e
: _
:;.;;
:e·
se:ond.
These
once per seconc
: _
s-:::
::·:
·
~
=·-
~·
:=:
::-:.
:
..
-:a-.s
oi
the logic
circuits
·-
--=
:.-:-
.:
:.;:.;;~
:2-::·.:-:. ::·::
::
·
·:-:·e:::
:c
t
he
aooropriate
-:.
-:-:-
~::
-
=~
·
=·--::--=
:.::...·
.:
:-:;:
-
~
: s:
=:
·
:c
s!..-c,·.
:"'-=
•Regc.
.;:
:.
·
-?
.
T
l
\
l
•:::~·sa
fL
•
UQUID
CRYSTAL
DISPLAY
9