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参数资料
| 型号： | M54HC670 |
| 厂商： | 意法半导体 |
| 英文描述： | 4 word×4 bit register file(3 state)(4字×4位注册文件(3态)) |
| 中文描述： | 4字× 4位寄存器文件（3国）（4字× 4位注册文件（3态）） |
| 文件页数： | 5/12页 |
| 文件大小： | 264K |
| 代理商： | M54HC670 |
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
185
37
31
220
44
37
185
37
31
110
22
19
95
19
16
75
15
13
50
10
9
0
0
0
5
5
5
5
5
5
10
Max.
95
19
16
230
46
39
275
55
47
230
46
39
140
28
24
120
24
20
95
19
16
65
13
11
0
0
0
5
5
5
5
5
5
10
Max.
110
22
19
280
56
48
330
66
56
280
56
48
165
33
28
145
29
25
110
22
19
75
15
13
0
0
0
5
5
5
5
5
5
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
(RA, RB - Qn)
96
24
20
108
27
23
104
26
22
42
13
11
25
13
11
16
4
3
12
3
3
ns
t
PLH
t
PHL
Propagation
Delay Time
(WE - Qn)
ns
t
PLH
t
PHL
Propagation
Delay Time
(Dn - Qn)
ns
t
PZL
t
PZH
Output Disable
Time
R
L
= 1 K
ns
t
PLZ
t
PHZ
Output Disable
Time
R
L
= 1 K
ns
t
W(L)
Minimum Pulse
Width
(WE)
ns
t
s
Minimum Set-up
Time (Dn - WE)
(WA, WB - WE)
ns
t
h
Minimum Hold
Time
(Dn - WE)
ns
t
h
Minimum Hold
Time
(WA, WB - WE)
ns
t
latch
Minimum Latch
Time
(WE - RA, RB)
ns
C
IN
Input Capacitance
Power Dissipation
Capacitance
5
pF
C
PD
(*)
96
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/M74HC670
5/12
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