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參數(shù)資料
| 型號： | M54HC259 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8 Bit Addressable Latch(八位可尋址鎖存器) |
| 中文描述： | 8位可尋址鎖存器（八位可尋址鎖存器） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 264K |
| 代理商： | M54HC259 |
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.
30
-55 to 125
o
C
54HC
Min.
Max.
75
15
13
140
28
24
190
38
32
150
30
26
115
23
20
75
15
13
75
15
13
50
10
9
25
5
5
5
5
5
0
0
0
10
Max.
95
19
16
175
35
30
240
48
41
190
38
32
145
29
25
90
19
16
90
19
16
60
12
11
30
6
5
5
5
5
0
0
0
10
Max.
110
22
19
210
42
36
285
57
48
225
45
38
175
35
30
115
23
20
115
23
20
75
15
13
40
8
7
5
5
5
0
0
0
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
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
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
8
7
t
PLH
t
PHL
Propagation
Delay Time
(DATA - Q)
56
18
15
76
24
20
57
19
16
45
15
13
28
7
6
24
6
5
12
3
3
ns
t
PLH
t
PHL
Propagation
Delay Time
(A, B, C - Q)
ns
t
PLH
t
PHL
Propagation
Delay Time
(G - Q)
ns
t
PLH
t
PHL
Propagation
Delay Time
(CLEAR - Q)
ns
t
W(L)
Minimum Pulse
Width
(ENABLE)
ns
t
W(L)
Minimum Pulse
Width
(CLEAR)
ns
t
s
Minimum Set-up
Time
(DATA)
ns
t
s
Minimum Set-up
Time
(A, B, C)
ns
t
h
Minimum Hold
Time
(DATA)
ns
t
h
Minimum Hold
Time
(A, B, C)
ns
C
IN
Input Capacitance
Power Dissipation
Capacitance
5
pF
C
PD
(*)
66
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
M54/M74HC259
5/12
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