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参数资料
| 型号： | M54HC574K |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 总线收发器 |
| 英文描述： | HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDFP20 |
| 封装： | CERAMIC, DFP-20 |
| 文件页数： | 7/11页 |
| 文件大小： | 302K |
| 代理商： | M54HC574K |
M54HC574
5/11
Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr =tf = 6ns)
Table 7: Capacitive Characteristics
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH tTHL Output Transition
Time
2.0
50
25
60
75
90
ns
4.5
7
12
15
18
6.0
6
10
13
15
tPLH tPHL Propagation Delay
Time
(CK - Q)
2.0
50
70
150
190
225
ns
4.5
20
30
38
45
6.0
15
26
32
38
2.0
150
88
190
240
285
ns
4.5
25
38
48
57
6.0
19
32
41
48
tPZL tPZH High Impedance
Output Enable
Time
2.0
50
RL =1 K
48
125
155
190
ns
4.5
15
25
31
38
6.0
12
21
26
32
2.0
150
RL =1 K
60
165
205
250
ns
4.5
20
33
41
50
6.0
16
28
35
43
tPLZ tPHZ High Impedance
Output Disable
Time
2.0
50
RL =1 K
34
125
155
190
ns
4.5
17
25
31
38
6.0
15
21
26
32
fMAX
Maximum Clock
Frequency
2.0
50
6.2
18
5
4.2
MHz
4.5
31
752521
6.0
37
903025
tW(L)
tW(H)
Minimum Pulse
Width
(CLOCK)
2.0
50
15
75
95
110
ns
4.5
6
15
19
22
6.0
6
13
16
19
ts
Minimum Set-up
Time
2.0
50
25
75
95
110
ns
4.5
6
15
19
22
6.0
4
13
16
19
th
Minimum Hold
Time
2.0
50
00
0
ns
4.5
0
6.0
0
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
510
10
pF
COUT
Output
Capacitance
10
pF
CPD
Power Dissipation
Capacitance (note
1)
54
pF
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