參數(shù)資料
型號： 74LVTH2244SJ
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： 8-Bit Identity/Magnitude Comparators 20-SOIC -40 to 85
中文描述： LVT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： 5.30 MM, LEAD FREE, EIAJ TYPE2, SOP-20
文件頁數(shù)： 4/7頁
文件大小： 94K
代理商： 74LVTH2244SJ
www.fairchildsemi.com
4
7
DC Electrical Characteristics
(Continued)
Note 4:
All typical values are at V
CC
3.3V, T
A
25
q
C.
Note 5:
Applies to bushold versions only (74LVTH2244).
Note 6:
An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 7:
An external driver must sink at least the specified current to switch from HIGH-to-LOW.
Note 8:
This is the increase in supply current for each, input that is at the specified voltage level rather than V
CC
or GND.
Dynamic Switching Characteristics
(Note 9)
Note 9:
Characterized in SOIC package. Guaranteed parameter, but not tested.
Note 10:
Max number of outputs defined as (n). n 1 data inputs are driven 0V to 3V. Output under test held LOW.
AC Electrical Characteristics
Note 11:
All typical values are at V
CC
3.3V, T
A
25
q
C.
Note 12:
Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (t
OSHL
) or LOW-to-HIGH (t
OSLH
).
Capacitance
(Note 13)
Note 13:
Capacitance is measured at frequency f
1 MHz, per MIL-STD-883B, Method 3012.
Symbol
Parameter
V
CC
(V)
T
A
40
q
C to 85
q
C
Typ
(Note 4)
Units
Conditions
Min
Max
I
CCZ
Power Supply Current
3.6
0.19
mA
V
CC
d
V
O
d
5.5V,
Outputs Disabled
One Input at V
CC
0.6V
Other Inputs at V
CC
or GND
'
I
CC
Increase in Power Supply Current
(Note 8)
3.6
0.2
mA
Symbol
Parameter
V
CC
T
A
25
q
C
Units
Conditions
(V)
Min
Typ
Max
C
L
50 pF, R
L
500
:
(Note 10)
V
OLP
V
OLV
Quiet Output Maximum Dynamic V
OL
Quiet Output Minimum Dynamic V
OL
3.3
3.3
0.8
0.8
V
V
Symbol
Parameter
T
A
40
q
C to 85
q
C
C
L
50 pF, R
L
500
:
Units
V
CC
3.3V
r
0.3V
Typ
(Note 11)
V
CC
2.7V
Min
Min
Max
Max
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
OSHL
t
OSLH
Propagation Delay Data to Output
1.0
1.0
1.0
4.4
4.1
5.9
1.0
1.0
1.0
5.3
4.4
7.7
ns
Output Enable Time
ns
1.1
1.9
1.8
5.5
6.1
4.5
1.1
1.9
1.8
6.2
6.8
4.5
Output Disable Time
ns
Output to Output Skew
(Note 12)
1.0
1.0
ns
Symbol
Parameter
Conditions
Typical
3
6
Units
pF
pF
C
IN
C
OUT
Input Capacitance
Output Capacitance
V
CC
0V, V
I
0V or V
CC
V
CC
3.0V, V
O
0V or V
CC
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