參數(shù)資料
型號(hào): 74LCXZ245SJ
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 通用總線功能
英文描述: Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs
中文描述: LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: 5.30 MM, EIAJ TYPE2, SOP-20
文件頁(yè)數(shù): 4/10頁(yè)
文件大小: 105K
代理商: 74LCXZ245SJ
www.fairchildsemi.com
4
7
DC Electrical Characteristics
(Continued)
Note 6:
Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note 7:
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
).
Dynamic Switching Characteristics
Capacitance
Symbol
Parameter
Conditions
V
CC
(V)
T
A
=
40
°
C to
+
85
°
C
Min
Units
Max
225
±
225
500
I
CC
Quiescent Supply Current
V
I
=
V
CC
or GND
3.6V
V
I
, V
O
5.5V (Note 6)
V
IH
=
V
CC
0.6V
2.3
3.6
2.3
3.6
2.3
3.6
μ
A
I
CC
Increase in I
CC
per Input
μ
A
Symbol
Parameter
T
A
=
40
°
C to
+
85
°
C, R
L
=
500
V
CC
=
3.3V
±
0.3V
C
L
=
50 pF
Min
Max
1.5
7.0
1.5
7.0
Units
V
CC
=
2.7V
C
L
=
50 pF
Min
1.5
1.5
Max
8.0
8.0
t
PHL
t
PLH
t
PZL
t
PZH
t
PLZ
t
PHZ
t
OSHL
t
OSLH
Propagation Delay
A
n
to B
n
or B
n
to A
n
Output Enable Time
ns
1.5
1.5
1.5
8.5
8.5
7.5
1.5
1.5
1.5
9.5
9.5
8.5
ns
Output Disable Time
ns
1.5
7.5
1.0
1.0
1.5
8.5
Output to Output Skew
(Note 7)
ns
Symbol
Parameter
Conditions
V
CC
(V)
T
A
=
25
°
C
Typical
0.8
0.6
0.8
0.6
Units
V
OLP
Quiet Output Dynamic Peak V
OL
C
L
=
50 pF, V
IH
=
3.3V, V
IL
=
0V
C
L
=
30 pF, V
IH
=
2.5V, V
IL
=
0V
C
L
=
50 pF, V
IH
=
3.3V, V
IL
=
0V
C
L
=
30 pF, V
IH
=
2.5V, V
IL
=
0V
3.3
2.5
3.3
V
V
OLV
Quiet Output Dynamic Valley V
OL
V
2.5
Symbol
C
IN
C
I/O
C
PD
Parameter
Conditions
Typical
7
Units
pF
Input Capacitance
V
CC
=
Open, V
I
=
0V or V
CC
V
CC
=
3.3V, V
I
=
0V or V
CC
V
CC
=
3.3V, V
I
=
0V or V
CC
, f
=
10 MHz
Input/Output Capacitance
Power Dissipation Capacitance
8
pF
pF
25
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