參數(shù)資料
型號(hào): 74LVTH245MSA
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Quadruple Positive-AND Gates With Schmitt-Trigger Inputs 14-SO -40 to 85
中文描述: LVT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: 5.30 MM, MO-150, SSOP-20
文件頁(yè)數(shù): 4/8頁(yè)
文件大?。?/td> 103K
代理商: 74LVTH245MSA
www.fairchildsemi.com
4
7
DC Electrical Characteristics
(Continued)
Note 4:
Applies to Bushold versions only (LVTH245).
Note 5:
An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 6:
An external driver must sink at least the specified current to switch from HIGH-to-LOW.
Note 7:
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 8)
Note 8:
Characterized in SOIC package. Guaranteed parameter, but not tested.
Note 9:
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 10:
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 11)
Note 11:
Capacitance is measured at frequency f
1 MHz, per MIL-STD-883, Method 3012.
Symbol
Parameter
V
CC
(V)
3.6
3.6
T
A
40
q
C to 85
q
C
Min
Units
Conditions
Max
5
10
I
OZH
(Note 4) 3-STATE Output Leakage Current
I
OZH
3-STATE Output Leakage Current
I
CCH
Power Supply Current
I
CCL
Power Supply Current
I
CCZ
Power Supply Current
I
CCZ
Power Supply Current
P
A
P
A
V
O
3.6V
V
CC
V
O
d
5.5V
Outputs HIGH
Outputs LOW
Outputs Disabled
3.6
3.6
3.6
0.19
5
0.19
mA
mA
mA
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
3.6
0.2
mA
(Note 7)
Symbol
Parameter
V
CC
T
A
25
q
C
Units
Conditions
(V)
Min
Typ
Max
C
L
50 pF, R
L
500
:
(Note 9)
(Note 9)
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
Min
1.2
V
CC
2.7V
Min
1.2
Max
3.6
Max
4.0
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
OSHL
t
OSLH
Propagation Delay
ns
1.2
1.3
1.7
3.5
5.5
5.7
1.2
1.3
1.7
4.0
7.1
6.7
Output Enable Time
ns
Output Disable
2.0
2.0
5.9
5.0
2.0
2.0
6.5
5.1
ns
Output to Output Skew
1.0
1.0
ns
(Note 10)
Symbol
C
IN
C
I/O
Parameter
Conditions
Typical
4
8
Units
pF
pF
Input Capacitance
Input/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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