參數(shù)資料
型號(hào): LTC1555L-1.8
廠商: Linear Technology Corporation
英文描述: SIM Power Supply and Level Translator(SMI電源和電平轉(zhuǎn)換器)
中文描述: SIM卡電源和電平轉(zhuǎn)換(學(xué)校管理新措施電源和電平轉(zhuǎn)換器)
文件頁(yè)數(shù): 3/8頁(yè)
文件大小: 138K
代理商: LTC1555L-1.8
LTC1555L-1.8
3
PARAMETER
Controller Inputs/Outputs
(DV
CC
= 1.8V)
Input Current (I
IH
/I
IL
)
Input Current (I
IH
/I
IL
)
High Level Input Current (I
IH
)
Low Level Input Current (I
IL
)
High Input Voltage Threshold (V
IH
)
CONDITIONS
MIN
TYP
MAX
UNITS
M0, M1, M2, RIN, CIN
DDRV, EN
DATA
DATA
M0, M1, M2, RIN, CIN, DDRV
DATA
M0, M1, M2, RIN, CIN, DDRV
DATA
DATA Source Current = 20
μ
A I/O = V
CC
DATA Sink Current = –200
μ
A I/O = 0V (Note 3)
Between DATA and DV
CC
DATA Loaded with 30pF
G
–100
–5
–20
100
5
20
1
nA
μ
A
μ
A
mA
G
G
G
G
G
0.7
×
DV
CC
DV
CC
– 0.6
V
V
V
V
V
V
Low Input Voltage Threshold (V
IL
)
G
G
0.2
×
DV
CC
0.4
0.7
×
DV
CC
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
DATA Pull-Up Resistance
DATA Output Rise/Fall Time
SIM Inputs/Outputs (V
CC
= 3V or 5V)
I/O High Input Voltage Threshold (V
IH
)
I/O Low Input Voltage Threshold (V
IL
)
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
I/O Pull-Up Resistance
SIM Inputs/Outputs
(V
CC
= 1.8V)
I/O High Input Voltage Threshold (V
IH
)
I/O Low Input Voltage Threshold (V
IL
)
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
SIM Timing Parameters (DV
CC
= 1.8V, V
CC
= 5V)
CLK Rise/Fall Time
G
G
0.4
30
2
G
13
20
1.3
k
μ
s
G
I
IH(MAX)
=
±
20
μ
A
I
IL(MAX)
= 1mA
I/O, Source Current = 20
μ
A DATA or DDRV = DV
CC
I/O, Sink Current = –200
μ
A DATA or DDRV = 0V (Note 3)
RST, CLK Source Current = 20
μ
A
RST, CLK Sink Current = –200
μ
A
Between I/O and V
CC
G
0.7
×
V
CC
V
V
V
V
V
V
G
0.4
G
0.8
×
V
CC
G
0.4
G
0.9
×
V
CC
G
0.4
14
G
6.5
10
k
I
IH(MAX)
=
±
20
μ
A
I
IL(MAX)
= 1mA
I/O, Source Current = 20
μ
A DATA or DDRV = DV
CC
I/O, Sink Current = –200
μ
A DATA or DDRV = 0V (Note 3)
RST, CLK Source Current = 20
μ
A
RST, CLK Sink Current = –200
μ
A
G
0.7
×
V
CC
V
V
V
V
V
V
G
0.2
×
V
CC
0.8
×
V
CC
G
G
0.4
G
0.9
×
V
CC
G
0.2
×
V
CC
CLK Loaded with 30pF, V
CC
= 3V or 5V
V
CC
= 1.8V
RST, I/O Loaded with 30pF
CLK Loaded with 30pF
C
OUT
= 2.2
μ
F, I
VCC
= 0
I
VCC
= 0, V
CC
= 5V, C
OUT
= 2.2
μ
F
G
G
18
50
1
5
ns
ns
μ
s
RST, I/O Rise/Fall Time
CLK Frequency
V
CC
Turn-On Time
V
CC
Discharge Time to 1V
G
G
MHz
ms
ms
0.5
0.5
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC1555LEGN-1.8 is guaranteed to meet performance
specifications from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
Note 3:
The DATA and I/O pull-down drivers must also sink current
sourced by the internal pull-up resistor.
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (V
IN
= 2.6V to 6V, DV
CC
= 1.425V to 4.4V, controller digital pins tied to
DV
CC
, SIM digital pins floating, C1 = 0.1
μ
F, C
OUT
= 2.2
μ
F unless otherwise noted)
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