MAX1740 Maxim, MAX1740 Datasheet - Page 5

• Manufacturer Part Number: MAX1740
• Description: SIM/Smart Card Level Translators in MAX
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(Figure 1, DV
C
Note 1: V
Note 2: V
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
Note 5: Specifications to -40°C are guaranteed by design, not production tested.
(Circuit of Figure 1, DV
SHUTDOWN OUTPUT LEVELS
TIMING
Shutdown Output Levels
(IO, CLK, RST)
Maximum CLK Frequency
(Notes 3, 4)
IO
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
= C
0
2.0
CLK
TOTAL OPERATING SUPPLY CURRENT
DATA OR DDRV = DV
f
applied. CIN has 5ns rise and fall times; levels are GND to DV
CIN
V
CIN CLOCKED WITH A
0 TO 3V SQUARE WAVE
PARAMETER
IL
IH
DATA OR DDRV = DV
f
DVCC
CIN
= 3.25MHz
2.5
is defined as the voltage at which the output (DATA/IO) voltage equals 0.5V.
= C
is defined as the voltage at which the output (DATA/IO) voltage exceeds the input (IO/DATA) voltage by 100mV.
vs. SUPPLY VOLTAGE (V CC )
= 1.625MHz
CC
= 3.0V
RST
3.0
= +1.8V, V
= C
3.5
_______________________________________________________________________________________
V
CC
CC
CC
CC
DATA
(V)
4.0
= 3.0V, V
f
f
DATA
CIN
CC
f
f
= 3.25MHz
DATA
CIN
= 30pF, T
= f
4.5
= 1.625MHz
CIN
= +3.0V or +5.0V, SHDN = DV
= f
/372
CIN
5.0
SYMBOL
CC
/372
f
CLK
= 5.0V, DDRV or DATA = DV
A
SIM/Smart Card Level Translators
5.5
= -40°C to +85°C, unless otherwise noted.) (Note 5)
CIN = RIN = DV
I
I
(MAX1740) = DDRV (MAX1741) = DATA =
CIN = RIN = DV
I
(MAX1740) = DDRV (MAX1741) = DATA =
CIN = RIN = DV
V
V
SINK
SINK
SINK
CC
CC
2.5
2.0
1.5
1.0
0.5
0
= 2.7V to 5.5V
= 2.25V to 3.6V
= 200µA, SHDN = GND, DATA =
= 200µA, DV
= 200µA, V
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V
CIN CLOCKED WITH A
0 TO 3V SQUARE WAVE
DATA OR DDRV = DV
V
f
V
DATA
DVCC
VCC
VCC
CURRENT vs. CLOCK FREQUENCY
TOTAL OPERATING SUPPLY
= 5.0V
= 5.0V
OR f
= 3.0V
CIN
CONDITIONS
CC
CC
CC
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CC
CC
CC
, CIN = RIN = GND or DV
(MAX1740 only)
f
CIN
CC
= GND, SHDN
CC
CC
DATA OR DDRV = DV
V
= GND, SHDN
VCC
(MHz)
. Input and output levels are measured at 50% of the waveform.
, RIN = CIN = GND, T
Typical Operating Characteristics
DV
DV
DV
DV
DV
DV
DV
= 5.0V
f
V
DATA
CC
CC
CC
CC
CC
CC
CC
VCC
= 5.0V
= 1.425V
= 2.25V
OR f
= 2.7V
= 2.25V
= 1.7V
= 1.7V
= 1.425V
CIN
/372
CC
A
CC
= +25°C, unless otherwise noted.)
1.7
1.5
1.3
1.1
0.9
0.7
0.5
, IO = V
MIN
3.5
3.5
-40
5
5
5
4
4
DATA OR DDRV = DV
V
DATA OR DDRV = DV
V
V
WITH A 0 TO 3V SQUARE WAVE
VCC
VCC
DVCC
CURRENT vs. TEMPERATURE
= 5.0V
= 3.0V
TOTAL OPERATING SUPPLY
CC
-15
= 3.0V, f
, DATA = DDRV = DV
TEMPERATURE (°C)
in µMAX
IN
10
= 3.25MHz, CIN CLOCKED
CC
CC
MAX
0.4
0.4
0.4
35
f
V
f
V
DATA
DATA
VCC
VCC
UNITS
= 5.0V
60
= f
= 3.0V
= f
MHz
CIN
CIN
V
V
V
/372
/372
CC
85
5
,