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參數(shù)資料
| 型號： | 74LCXH32245G |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage 32-Bit Bidirectional Transceiver with 5V Tolerant Inputs and Outputs with Bushold |
| 中文描述： | LVC/LCX/Z SERIES, DUAL 16-BIT TRANSCEIVER, TRUE OUTPUT, PBGA96 |
| 封裝： | 5.50 MM, PLASTIC, MO-205, FBGA-96 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 177K |
| 代理商： | 74LCXH32245G |
5
www.fairchildsemi.com
7
DC Electrical Characteristics
(Continued)
Note 7:
An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 8:
An external driver must sink at least the specified current to switch from HIGH-to-LOW.
Note 9:
Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Dynamic Switching Characteristics
Capacitance
Symbol
Parameter
Conditions
V
CC
(V)
T
A
=
40
°
C to
+
85
°
C
Min
Units
Max
±
5.0
I
I
I
I(HOLD)
Input Leakage Current
Bushold Input Minimum
0
≤
V
I
≤
5.5V
V
IN
=
0.7V
V
IN
=
1.7V
V
IN
=
0.8V
V
IN
=
2.0V
(Note 7)
(Note 8)
(Note 7)
2.3
3.6
μ
A
2.3
45
Drive Hold Current
-45
75
75
300
300
450
450
3.0
I
I(OD)
Bushold Input Over-Drive
Current to Change State
2.7
μ
A
3.6
(Note 8)
0
≤
V
O
≤
5.5V
V
I
=
V
IH
or V
IL
V
I
or V
O
=
5.5V
V
I
=
V
CC
or GND
3.6V
≤
V
I
, V
O
≤
5.5V (Note 9)
V
IH
=
V
CC
0.6V
I
OZ
3-STATE I/O Leakage
2.3
3.6
±
5.0
μ
A
I
OFF
I
CC
Power-Off Leakage Current
Quiescent Supply Current
0
10
20
±
20
500
μ
A
2.3
–
3.6
2.3
–
3.6
μ
A
I
CC
Increase in I
CC
per Input
2.3
–
3.6
μ
A
Symbol
Parameter
T
A
=
40
°
C to
+
85
°
C, R
L
=
500
V
CC
=
2.7V
C
L
=
50 pF
Min
1.0
Units
V
CC
=
3.3V
±
0.3V
C
L
=
50 pF
Min
1.0
V
CC
=
2.5V
±
0.2V
C
L
=
30 pF
Min
1.0
Max
4.5
Max
5.2
Max
5.4
t
PHL
t
PLH
t
PZL
t
PZH
t
PLZ
t
PHZ
Propagation Delay
ns
A
n
to B
n
or B
n
to A
n
Output Enable Time
1.0
1.0
1.0
4.5
6.5
6.5
1.0
1.0
1.0
5.2
7.2
7.2
1.0
1.0
1.0
5.4
8.5
8.5
ns
Output Disable Time
1.0
1.0
6.4
6.4
1.0
1.0
6.9
6.9
1.0
1.0
7.7
7.7
ns
Symbol
Parameter
Conditions
V
CC
(V)
3.3
T
A
=
25
°
C
Typical
0.8
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
V
2.5
3.3
2.5
0.6
0.8
0.6
V
OLV
Quiet Output Dynamic Valley V
OL
V
Symbol
C
IN
C
I/O
C
PD
Parameter
Conditions
Typical
7
8
Units
pF
pF
Input Capacitance
Input/Output 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
Power Dissipation Capacitance
20
pF
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