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US12231L-P20-R 데이터시트(PDF) 13 Page - Unisonic Technologies

부품명 US12231L-P20-R
상세설명  POWER INTERFACE SWITCH
PDF  15 Pages
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제조업체  UTC [Unisonic Technologies]
홈페이지  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

US12231L-P20-R 데이터시트(HTML) 13 Page - Unisonic Technologies

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US12231
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
13 of 15
www.unisonic.com.tw
QW-R502-A82.a
EXPRESS CARD TIMING DIAGRAMS(Cont.)
SYSRST
CPxx
Card Power
(AUXIN, 3.3VOUT,
and 1.5VOUT)
Host Power
(AUXIN)
RCLKEN
PERST
Note: Once 3.3V and 1.5V are applied, the power switch follows the power-up sequence of Figure 2 or Figure 3.
Figure 4. Timing Signals - Host System In Standby Prior to Card Insertion
Host Power
(3.3VIN, and 1.5VIN)
Tpd
Min
Max
Units
a
b
c
d
System Dependent
Load Dependent
SYSRST
CPxx
Card Power
(AUXOUT, 3.3VOUT, and
1.5VOUT)
Host Power
(AUXIN, 3.3VIN, and 1.5VIN)
RCLKEN
PERST
b
a
d
c
Figure 5. Timing Signals - Host - Controlled Power Down
500
500
ns
ns



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