參數(shù)資料
型號： 74LVQ244SJ
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
中文描述： LVQ SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： 5.30 MM, EIAJ TYPE2, SOP-20
文件頁數(shù)： 3/6頁
文件大?。?/td> 88K
代理商： 74LVQ244SJ
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
CC
)
DC Input Diode Current (I
IK
)
V
I
= 0.5V
V
I
= V
CC
+ 0.5V
DC Input Voltage (V
I
)
DC Output Diode Current (I
OK
)
V
O
= 0.5V
V
O
= V
CC
+ 0.5V
DC Output Voltage (V
O
)
DC Output Source
or Sink Current (I
O
)
DC V
CC
or Ground Current
(I
CC
or I
GND
)
Storage Temperature (T
STG
)
DC Latch-Up Source or
Sink Current
0.5V to +7.0V
20 mA
+20 mA
0.5V to V
CC
+ 0.5V
20 mA
+20 mA
0.5V to V
CC
+ 0.5V
±
50 mA
±
400 mA
65C to +150C
±
300 mA
Recommended Operating
Conditions
(Note 2)
Supply Voltage (V
CC
)
Input Voltage (V
I
)
Output Voltage (V
O
)
Operating Temperature (T
A
)
Minimum Input Edge Rate
V/
t
V
IN
from 0.8V to 2.0V
V
CC
@
3.0V
Note 1:
The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be op-
erated at these limits. The parametric values defined in the Electrical Charac-
teristics tables are not guaranteed at the absolute maximum ratings. The
“Recommended Operating Conditions” table will define the conditions for ac-
tual device operation.
Note 2:
Unused inputs must be held HIGH or LOW. They may not float.
2.0V to 3.6V
0V to V
CC
0V to V
CC
40C to +85C
125 mV/ns
DC Electrical Characteristics
Symbol
Parameter
V
CC
(V)
T
A
= +25C
T
A
= 40C to +85C
Units
Conditions
Typ
1.5
Guaranteed Limits
V
IH
Minimum High Level
Input Voltage
3.0
2.0
2.0
V
V
OUT
= 0.1V
or V
CC
0.1V
V
OUT
= 0.1V
or V
CC
0.1V
I
OUT
= 50 μA
V
IN
= V
IL
or V
IH
(Note 3)
I
OH
= 12 mA
I
OUT
= 50 μA
V
IN
= V
IL
or V
IH
(Note 3)
I
OL
= 12 mA
V
I
= V
CC
, GND
V
IL
Maximum Low Level
Input Voltage
3.0
1.5
0.8
0.8
V
V
OH
Minimum High Level
Output Voltage
3.0
3.0
2.99
2.9
2.58
2.9
2.48
V
V
V
OL
Maximum Low Level
Output Voltage
3.0
3.0
0.002
0.1
0.36
0.1
0.44
V
V
I
IN
Maximum Input
Leakage Current
Minimum Dynamic (Note 4)
Output Current
3.6
±
0.1
±
1.0
μA
I
OLD
I
OHD
I
CC
3.6
3.6
3.6
36
25
40.0
mA
mA
μA
V
OLD
= 0.8V Max (Note 5)
V
OHD
= 2.0V Min (Note 5)
V
IN
= V
CC
or GND
V
I
(OE) = V
IL
, V
IH
V
I
= V
CC
, GND
V
O
= V
CC
, GND
(Notes 6, 7)
Maximum Quiescent
Supply Current
4.0
I
OZ
Maximum 3-STATE
Leakage Current
3.6
±
0.25
±
2.5
μA
V
OLP
Quiet Output
Maximum Dynamic V
OL
Quiet Output
Minimum Dynamic V
OL
Minimum High Level
Dynamic Input Voltage
Maximum Low Level
Dynamic Input Voltage
3.3
0.4
0.8
V
V
OLV
3.3
0.4
0.8
V
(Notes 6, 7)
V
IHD
3.3
1.7
2.0
V
(Notes 6, 8)
V
ILD
3.3
1.7
0.8
V
(Notes 6, 8)
Note 3:
All outputs loaded thresholds on input associated with output under test.
Note 4:
Maximum test duration 2.0 ms, one output loaded at a time.
Note 5:
Incident wave switching on transmission lines with impedances as low as 75
for commercial temperature range is guaranteed for 74LVQ.
Note 6:
Worst case package.
Note 7:
Max number of outputs defined as (n). Data inputs are driven 0V to 3.3V; one output at GND.
Note 8:
Max number of Data Inputs (n) switching. (n 1) inputs switching 0V to 3.3V. Input-under-test switching: 3.3V to threshold (V
ILD
), 0V to threshold (V
IHD
),
f = 1 MHz.
3
www.fairchildsemi.com
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