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M74HC651 bảng dữ liệu(PDF) 7 Page - STMicroelectronics

tên linh kiện M74HC651
Giải thích chi tiết về linh kiện  HC652 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE HC651 OCTAL BUS TRANSCEIVER/REGISTER 3-STATE, INV.
PDF  12 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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M74HC651 bảng dữ liệu(HTML) 7 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (Continued)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
CL
(pF)
TA =25
oC
-40 to 85
oC
Min.
Typ.
Max.
Min.
Max.
tPLH
tPHL
Propagation Delay Time
(SELECT - BUS)
2.0
50
81
170
215
ns
4.5
23
34
43
6.0
20
29
37
2.0
150
98
210
265
ns
4.5
28
42
53
6.0
24
36
45
tPZL
tPZH
3-State Output Enable Time
2.0
50
RL =1 K
Ω
74
175
220
ns
4.5
21
35
44
6.0
18
30
37
2.0
150
RL =1 K
Ω
91
215
270
ns
4.5
26
43
54
6.0
22
37
46
tPLZ
tPHZ
Output Disable Time
2.0
50
RL =1 K
Ω
50
175
220
ns
4.5
21
35
44
6.0
18
30
37
fMAX
Maximum Clock Frequency
2.0
50
6
19
4.8
MHz
4.5
30
67
24
6.0
35
79
28
tW(H)
tW(L)
Minimum Clock Pulse Width
2.0
50
30
75
95
ns
4.5
7
15
19
6.0
6
13
16
ts
Minimum Set-up Time
2.0
50
16
50
65
ns
4.5
4
10
13
6.0
3
9
11
th
Minimum Hold Time
2.0
50
55
ns
4.5
5
5
6.0
5
5
CIN
Input Capacitance
5
10
10
pF
CI/O
Bus Terminal Capacitance
10
pF
CPD (*)
Power Dissipation Capacitance
for HC651
for HC652
39
38
pF
(*) 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 operting current can be obtained by the following equation. ICC(opr) = CPD
•VCC •fIN +ICC/8 (per Channel)
M74HC651/652
7/12



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