參數(shù)資料
型號(hào)： MAX1740
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Digital Signal Processors 144-LQFP
中文描述： SIM/智能卡電平轉(zhuǎn)換器，µMAX封裝
文件頁數(shù)： 5/12頁
文件大?。?/td> 327K
代理商： MAX1740
M
SIM/Smart Card Level Translators
in μMAX
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(Figure 1, DV
CC
= +1.8V, V
CC
= +3.0V or +5.0V,
SHDN
= DV
CC
, CIN = RIN = GND or DV
CC
, IO = V
CC
, DATA = DDRV = DV
CC
,
C
IO
= C
CLK
= C
RST
= C
DATA
= 30pF,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 5)
CONDITIONS
SYMBOL
PARAMETER
SHUTDOWN OUTPUT LEVELS
UNITS
I
SINK
= 200μA,
SHDN
= GND, DATA =
CIN = RIN = DV
CC
(MAX1740 only)
0.4
MIN
MAX
V
Note 1:
V
IL
is defined as the voltage at which the output (DATA/IO) voltage equals 0.5V.
Note 2:
V
IH
is defined as the voltage at which the output (DATA/IO) voltage exceeds the input (IO/DATA) voltage by 100mV.
Note 3:
Timing specifications are guaranteed by design, not production tested.
Note 4:
The maximum CLK frequency is defined as the output duty cycle remaining in the 40% to 60% range when the 50% CIN is
applied. CIN has 5ns rise and fall times; levels are GND to DV
CC
. Input and output levels are measured at 50% of the waveform.
Note 5:
Specifications to -40°C are guaranteed by design, not production tested.
Typical Operating Characteristics
(Circuit of Figure 1, DV
CC
= 3.0V, V
CC
= 5.0V, DDRV or DATA = DV
CC
, RIN = CIN = GND, T
A
= +25°C, unless otherwise noted.)
0.5
0.7
0.9
1.1
1.3
1.7
1.5
-40
-15
10
35
60
85
TOTAL OPERATING SUPPLY
CURRENT vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
V
D
V
DVCC
= 3.0V, f
IN
= 3.25MHz, CIN CLOCKED
WITH A 0 TO 3V SQUARE WAVE
DATA OR DDRV = DV
CC
V
VCC
= 3.0V
DATA OR DDRV = DV
CC
V
VCC
= 5.0V
f
DATA
= f
CIN
/372
V
VCC
= 5.0V
f
DATA
= f
CIN
/372
V
VCC
= 3.0V
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.5
3.0
3.5
V
CC
(V)
4.0
4.5
5.0
5.5
TOTAL OPERATING SUPPLY CURRENT
vs. SUPPLY VOLTAGE (VCC)
M
S
V
D
DATA OR DDRV = DV
CC
f
CIN
= 3.25MHz
DATA OR DDRV = DV
CC
f
CIN
= 1.625MHz
f
DATA
= f
CIN
/372
f
CIN
= 1.625MHz
f
DATA
= f
/372
f
CIN
= 3.25MHz
V
DVCC
= 3.0V
CIN CLOCKED WITH A
0 TO 3V SQUARE WAVE
0
0.5
1.0
1.5
2.0
2.5
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
f
CIN
(MHz)
TOTAL OPERATING SUPPLY
CURRENT vs. CLOCK FREQUENCY
M
S
V
D
V
= 3.0V
CIN CLOCKED WITH A
0 TO 3V SQUARE WAVE
DATA OR DDRV = DV
CC
V
VCC
= 5.0V
DATA OR DDRV = DV
CC
V
VCC
= 5.0V
f
DATA
OR f
CIN
/372
V
VCC
= 5.0V
f
DATA
OR f
CIN
/372
V
VCC
= 5.0V
DV
CC
= 2.7V
DV
CC
= 2.25V
V
CC
= 2.7V to 5.5V
DV
CC
= 1.7V
DV
CC
= 1.425V
DV
CC
= 2.25V
DV
CC
= 1.7V
DV
CC
= 1.425V
5
5
3.5
Maximum CLK Frequency
(Notes 3, 4)
f
CLK
5
MHz
3.5
4
4
V
CC
= 2.25V to 3.6V
I
SINK
= 200μA, DV
CC
= GND,
SHDN
(MAX1740) = DDRV (MAX1741) = DATA =
CIN = RIN = DV
CC
0.4
V
I
SINK
= 200μA, V
CC
= GND,
SHDN
(MAX1740) = DDRV (MAX1741) = DATA =
CIN = RIN = DV
CC
0.4
V
TIMING
Shutdown Output Levels
(IO, CLK, RST)
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