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NCN4557 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. NCN4557
Description  1.8 V/3.0 V Dual SIM/SAM/Smart Card Power Supply and Level Shifter
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCN4557 Datasheet(HTML) 2 Page - ON Semiconductor

 
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NCN4557
http://onsemi.com
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Figure 1. Typical Interface Application
VDD
VDD
1.8 V to 5.5 V
VBAT
2.7 V to 5.5 V
0.1
mF
0.1
mF
3
VCC
P4
P3
P2
P1
P0
GND
12
2
13
11
9
10
8
ENABLE
SEL0
SEL1
RST
CLK
I/O
VBAT
CRD_VCCA
CRD_RSTA
CRD_CLKA
CRD_I/OA
GND
CRD_I/OB
CRD_CLKB
CRD_RSTB
CRD_VCCB
1.8 V/3 V SIM/Smart Card
4
6
5
7
17
14
16
15
1
1
mF
1
mF
1
2
3
4
5
6
7
8
VCC
RST
CLK
C4
GND
Vpp
I/O
C8
CARD A
C4
CLK
RST
VCC
C8
I/O
Vpp
GND
CARD B
4
3
2
1
8
7
6
5
1.8 V/3 V SIM/Smart Card
Figure 2. QFN−16 Pinout (Top View)
SEL0
SEL1
CLK
RST
12
11
10
9
8
7
6
5
CRD_VCCB
VDD
VBAT
CRD_VCCA
16
15
14
13
1
2
3
4
NCN4557
17
GND
Exposed Pad (EP)


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