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參數(shù)資料
| 型號： | FMFFM1233AC |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 3-Pin ?C Supervisor Circuit |
| 中文描述： | 3引腳？?監(jiān)電路 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 66K |
| 代理商： | FMFFM1233AC |
F
4
www.fairchildsemi.com
FM1233A Rev. E
Pin Descriptions
Circuit Timing (Ex: FM1233A)
When operating properly with 3V V
also be about 3V. When V
down as shown. When V
ground (“issues a RESET”) and stays there unless V
falls below its minimum operating voltage, approx. 1V. At this
point, the supervisor loses control, and its output may rise, only
to again follow V
CC
down to the ground.
CC
(for example), RESET will
starts to fall, RESET will follow it
drops below V
TH
, RESET drops to
CC
CC
CC
also
When V
reached, whereupon the device regains control, RESET is
pulled to ground, etc. When V
comes out of RESET after the minimum Reset Timeout period.
CC
begins to rise, RESET follows it until 1.0V or so is
CC
rises above V
TH
, RESET
If it is required that a lower value than GND + 1.0V is needed
on RESET signal during V
CC
≤
1V, a 100K resistor may be used
on the device output to GND.
Pin Number
Name
Function
1
GND
GROUND
2
RESET
RESET remains LOW while V
the minimum Reset Timeout period after V
CC
is below V
TH
rises above V
, and for at least
CC
TH
.
3
V
CC
3.3V
V
TH
1V
GND
3.3V
V
TH
1V
GND
V
CC
RESET
140ms
(min)
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