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参数资料
| 型号： | M54HC7640 |
| 厂商： | 意法半导体 |
| 英文描述： | Octal Bus Transceiver(八总线收发器) |
| 中文描述： | 八路总线收发器（八总线收发器） |
| 文件页数： | 5/10页 |
| 文件大小： | 256K |
| 代理商： | M54HC7640 |
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
25
-55 to 125
o
C
54HC
Min.
Max.
60
12
10
125
25
21
150
30
26
150
30
26
10
Max.
75
15
13
156
31
27
188
38
32
188
38
32
10
Max.
90
18
15
190
38
32
225
45
38
225
45
38
10
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
ns
7
6
t
PLH
t
PHL
Propagation
Delay Time
61
15
13
77
19
16
84
21
18
5
ns
t
PZL
t
PZH
Output Enable
Time
R
L
= 1 K
ns
t
PLZ
t
PHZ
Output Disable
Time
R
L
= 1 K
ns
C
IN
C
OUT
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
pF
pF
C
PD
(*)
pF
(*) C
PD
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by thefollowingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
/4(per Gate)
SWITCHING CHARACTERISTICS TEST WAVEFORM
V
CC
V
CC
GND
GND
M54/M74HC7245/7640/7643/7645
5/10
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相关代理商/技术参数 |
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| M54HC86K | 制造商:STMicroelectronics 功能描述: |
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