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參數(shù)資料
| 型號： | M54HC7241M1R |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED |
| 中文描述： | 八路總線緩沖器與三態(tài)輸出HC7240：倒立- HC7241/7244非反相 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 270K |
| 代理商： | M54HC7241M1R |
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)
C
L
(pF)
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
19
13
155
31
26
190
38
32
190
38
32
10
Max.
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
50
ns
7
6
t
PLH
t
PHL
Propagation
Delay Time
50
50
15
13
68
21
16
48
21
19
5
10
ns
t
PZL
t
PZH
Output Enable
Time
50
R
L
= 1K
ns
t
PLZ
t
PHZ
Output Disable
Time
50
R
L
= 1K
ns
C
IN
C
OUT
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
10
pF
pF
C
PD
(*)
HC7240
HC7241/7244
33
34
pF
(*) C
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
/8(per channel)
TEST CIRCUIT I
CC
(Opr.)
M54/M74HC7240/7241/7244
6/12
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