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參數(shù)資料
| 型號(hào)： | 74LCX32500 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-SSOP -40 to 85 |
| 中文描述： | 低電壓36位通用總線收發(fā)器和5V容限輸入和輸出 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 85K |
| 代理商： | 74LCX32500 |
5
www.fairchildsemi.com
7
DC Electrical Characteristics
(Continued)
Note 10:
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
20
±
20
500
I
CC
Quiescent Supply Current
V
I
=
V
CC
or GND
3.6V
≤
V
I
, V
O
≤
5.5V (Note 10)
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
=
2.7V
C
L
=
50 pF
Min
Units
V
CC
=
3.3V
±
0.3V
C
L
=
50 pF
Min
170
1.5
V
CC
=
2.5V
±
0.2V
C
L
=
30 pF
Min
Max
Max
Max
f
MAX
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PZL
t
PZH
t
PLZ
t
PHZ
t
S
t
H
t
W
Maximum Clock Frequency
Propagation Delay
MHz
6.0
1.5
7.0
1.5
7.2
ns
Bus to Bus
Propagation Delay
Clock to Bus
1.5
1.5
1.5
6.0
6.7
6.7
1.5
1.5
1.5
7.0
8.0
8.0
1.5
1.5
1.5
7.2
8.4
8.4
ns
Propagation Delay
LE to Bus
Output Enable Time
1.5
1.5
1.5
7.0
7.0
7.2
1.5
1.5
1.5
8.0
8.0
8.2
1.5
1.5
1.5
8.4
8.4
9.4
ns
ns
1.5
1.5
1.5
7.2
7.0
7.0
1.5
1.5
1.5
8.2
8.0
8.0
1.5
1.5
1.5
9.4
8.4
8.4
Output Disable Time
ns
Setup Time
Hold Time
Pulse Width
2.5
1.5
3.0
2.5
1.5
3.0
3.0
2.0
3.5
ns
ns
ns
Symbol
Parameter
Conditions
V
CC
(V)
3.3
2.5
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
V
V
OLV
Quiet Output Dynamic Valley V
OL
3.3
2.5
V
Symbol
C
IN
C
I/O
C
PD
Parameter
Conditions
Typical
7
8
20
Units
pF
pF
pF
Input Capacitance
Input/Output Capacitance
Power Dissipation 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
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