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| 型號： | CF5760SERIES |
| 英文描述： | CMOS Analog Clock IC |
| 中文描述： | CMOS模擬時(shí)鐘IC |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 84K |
| 代理商： | CF5760SERIES |
CF5760 series
NIPPON PRECISION CIRCUITS INC.—4
FUNCTIONAL DESCRIPTION
Motor Output
Motor output waveform (step motor driver)
Motor output waveform (sweep motor driver)
Input Chattering Elimination Function (AI/R)
A bounce delay is provided on the AI/R input to eliminate erroneous operation caused by input bounce (chat-
tering).
Input Control Functions
When AI/R is open circuit, a 256Hz signal is output.
When AI/R is HIGH or LOW, it selects the alarm (HIGH)/reset (LOW) function or reset (HIGH)/alarm (LOW)
function depending on the version.
O1
(Active High)
O2
(Active High)
t
PW
t
PW
t
CY
t
CY
: Needle period
t
PW
: Pulse width
t
CY
t
62.5
t
ON
ON
< 62.5ms: input is ignored.
≤
t
ON
≤
125ms: indeterminate
> 125ms: input is accepted.
O1
O2
t
CY
62.5ms
t
CY
: Needle period
t
PW
: Pulse width
t
CY
62.5ms
t
PW
62.5ms
t
PW
62.5ms
t
ON
AI/R
(Active Low)
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