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CF5705CF датащи(PDF) 6 Page - Nippon Precision Circuits Inc

номер детали CF5705CF
подробное описание детали  Analog Watch Stepping Motor Driver
PDF  7 Pages
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производитель  NPC [Nippon Precision Circuits Inc]
домашняя страница  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

CF5705CF датащи(HTML) 6 Page - Nippon Precision Circuits Inc

  CF5705CF Datasheet HTML 1Page - Nippon Precision Circuits Inc CF5705CF Datasheet HTML 2Page - Nippon Precision Circuits Inc CF5705CF Datasheet HTML 3Page - Nippon Precision Circuits Inc CF5705CF Datasheet HTML 4Page - Nippon Precision Circuits Inc CF5705CF Datasheet HTML 5Page - Nippon Precision Circuits Inc CF5705CF Datasheet HTML 6Page - Nippon Precision Circuits Inc CF5705CF Datasheet HTML 7Page - Nippon Precision Circuits Inc  
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CF5705 series
NIPPON PRECISION CIRCUITS—6
Test Function
Normal mode (TEST = open circuit)
In test mode, a 512 Hz rectangular wave is output on
TEST. Note that the output load (probe) must be
greater than 10 M
Ω and less than 20 pF. The motor
drive outputs on OUT1 and OUT2 continue to oper-
ate normally.
Test mode 1 (TEST = VDD)
Test mode 1 is invoked when TEST is held HIGH for
a minimum of 2 cycles of the 512 Hz clock
(TCH > 3.9 ms), otherwise it is ignored. In test mode
1, high-speed motor output operation occurs, with
the cycle time set by mask option to 62.5 or 125 ms.
Test mode 2 (TEST = VSS)
Test mode 2 is a dedicated IC test mode. In test mode
2, the device operates at 32-times speed, with the
supply voltage connected directly to the oscillator
circuit. Note that if a reset input occurs, the internal
operation is reset and device output stops. Once
operation stops, normal operation is not restored
until TEST is either open circuit or goes LOW.
OUT1
OUT2
TPW
TCY/2
VDD
VSS
TPW
TCY/2
VDD
VSS
tCY/2 tCY/2
TPW
T < Tch
T > Tch
VDD
VSS
TEST



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