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CF5707CG Datasheet(PDF) 5 Page - Nippon Precision Circuits Inc

No. de pieza CF5707CG
Descripción Electrónicos  Analog Watch Stepping Motor Driver
PDF  7 Pages
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Fabricante Electrónico  NPC [Nippon Precision Circuits Inc]
Página de inicio  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

CF5707CG Datasheet(HTML) 5 Page - Nippon Precision Circuits Inc

  CF5707CG Datasheet HTML 1Page - Nippon Precision Circuits Inc CF5707CG Datasheet HTML 2Page - Nippon Precision Circuits Inc CF5707CG Datasheet HTML 3Page - Nippon Precision Circuits Inc CF5707CG Datasheet HTML 4Page - Nippon Precision Circuits Inc CF5707CG Datasheet HTML 5Page - Nippon Precision Circuits Inc CF5707CG Datasheet HTML 6Page - Nippon Precision Circuits Inc CF5707CG Datasheet HTML 7Page - Nippon Precision Circuits Inc  
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CF5707CG
SEIKO NPC CORPORATION —5
FUNCTIONAL DESCRIPTION
Motor Output Waveform
Watch movement period Tcy = 2s, Pulsewidth Tpw = 3.9ms
Reset Function
Reset operation
The device reset condition occurs when the RESET pin goes HIGH (VDD), and the circuits are reset in 4Hz fre-
quency divider steps. Note, however, that RESET must stay HIGH for 93.7ms or longer, otherwise the reset
input is ignored.
Reset release operation
If the last pulse before reset was output on OUT1, then the first pulse after reset is released is output on OUT2,
and vice versa. The time interval, TD, after reset is released until the first pulse output occurs is TCY/2 − 0.125s
to TCY/2.
OUT1
OUT2
TPW
TCY/2
VDD
VSS
TPW
TCY/2
VDD
VSS
T
< TON
T
> TON
VDD
VSS
RESET
(open)
OUT1
TPW
VDD
VSS
OUT2
TCY/2
TCY/2
VDD
VSS
TD



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