參數(shù)資料
型號(hào)： FXLA2203UMX
廠商： Fairchild Semiconductor
文件頁(yè)數(shù)： 6/16頁(yè)
文件大?。?/td> 0K
描述： TRANSLATOR LEVEL DUAL 24UMLP
標(biāo)準(zhǔn)包裝： 5,000
應(yīng)用： 用戶標(biāo)識(shí)模塊（SIM）
電源電壓： 1.65 V ~ 3.6 V
封裝/外殼： 24-UMLP
供應(yīng)商設(shè)備封裝： 24-UMLP
包裝： 帶卷 (TR)
安裝類(lèi)型： 表面貼裝
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FXLA2203 Rev. 1.0.5
14
FXLA2203
—
Dual-Mode,
Dual-S
IM-Card
Level
Translator
SIM Slot Signals: Active vs. 3-State
The individual SIM slot signals (CLK, RST, and I/O) are
active only if the appropriate VCCn
and VCC_H_n
supplies are active (1.65V – 3.6V).
For example, if EN=1 and CH_Swap is 1, SIM Slot 1
signals (CLK_1, RST_1, and I/O_1) are active only if
VCC1 and VCC_H_1 are both active (1.65V – 3.6V).
VCC1 sets the voltage levels of CLK_1, RST_1, and
I/O_1. If either VCC1 or VCC_H_1 is below 1.65V, SIM
Slot 1 signals (CLK_1, RST_1, and I/O_1) are high
impedance. Likewise, SIM Slot 2 signals (CLK_2,
RST_2, and I/O_2) are active only if both VCC2 and
VCC_H_2 are active (1.65V – 3.6V). VCC2 sets the
voltage levels of CLK_2, RST_2, and I/O_2.
If EN=1 and CH_Swap is 0, SIM Slot 1 (CLK_1, RST_1,
and I/O_1) signals are active only if VCC2 and
VCC_H_2 are active (1.65V – 3.6V). VCC2 sets the
voltage levels of CLK_1, RST_1, and I/O_1. Likewise,
SIM Slot 2 signals (CLK_2, RST_2, and I/O_2) are
active only if both VCC1 and VCC_H_1 are active
(1.65V – 3.6V). VCC1 sets the voltage levels of CLK_2,
RST_2, and I/O_2.
For a complete listing of all the possible power switch
and signal combinations, see Table 8.
Table 8. Complete Power Switch and Signal Truth Table
Condition
Inputs
Outputs
VCC
EN CH_SWAP VCC_H_1 VCC_H_2 VCC1 VCC2
CLK_1,
RST_1,
I/O_1
CLK_2,
RST_2,
I/O_2
VCC_Card1 VCC_Card2
1
OFF
X
OFF
Z
OFF
2
ON
L
X
Z
3
ON
H
1
OFF
Z
OFF
4
ON
H
1
OFF
ON
OFF
Z
ON
OFF
5
ON
H
1
OFF
ON
Z
OFF
ON
6
ON
H
1
OFF
ON
Z
ON
7
ON
H
1
OFF
ON
OFF
Z
OFF
8
ON
H
1
OFF
ON
OFF
Z
ON
OFF
9
ON
H
1
OFF
ON
OFF
ON
Z
A
OFF
ON
10
ON
H
1
OFF
ON
Z
A
ON
11
ON
H
1
ON
OFF
Z
OFF
12
ON
H
1
ON
OFF
ON
OFF
A
Z
ON
OFF
13
ON
H
1
ON
OFF
ON
Z
OFF
ON
14
ON
H
1
ON
OFF
ON
A
Z
ON
15
ON
H
1
ON
OFF
Z
OFF
16
ON
H
1
ON
OFF
A
Z
ON
OFF
17
ON
H
1
ON
OFF
ON
Z
A
OFF
ON
18
ON
H
1
ON
A
ON
19
ON
H
0
OFF
Z
OFF
20
ON
H
0
OFF
ON
OFF
Z
OFF
ON
21
ON
H
0
OFF
ON
Z
ON
OFF
22
ON
H
0
OFF
ON
Z
ON
23
ON
H
0
OFF
ON
OFF
Z
OFF
24
ON
H
0
OFF
ON
OFF
Z
OFF
ON
25
ON
H
0
OFF
ON
OFF
ON
A
Z
ON
OFF
26
ON
H
0
OFF
ON
A
Z
ON
27
ON
H
0
ON
OFF
Z
OFF
28
ON
H
0
ON
OFF
ON
OFF
Z
A
OFF
ON
29
ON
H
0
ON
OFF
ON
Z
ON
OFF
30
ON
H
0
ON
OFF
ON
Z
A
ON
31
ON
H
0
ON
OFF
Z
OFF
32
ON
H
0
ON
OFF
Z
A
OFF
ON
33
ON
H
0
ON
OFF
ON
A
Z
ON
OFF
34
ON
H
0
ON
A
ON
Notes:
29. ON=1.65V – 3.6V.
30. OFF=Powered down or 0V.
31. X=Don’t Care.
32. VCC > VCC1 and VCC2.
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