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M74HC299 датащи(PDF) 8 Page - STMicroelectronics

номер детали M74HC299
подробное описание детали  CLEAR HC299 /HC323 8BITPIPOSHIFTREGISTERWITHSYNCHRONOUS
PDF  15 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
CL
(pF)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH
tPHL
Propagation
Delay Time
(CK - QA, QH)
2.0
50
80
160
200
240
ns
4.5
21
32
40
48
6.0
17
27
34
41
2.0
150
100
200
250
300
ns
4.5
26
40
50
60
6.0
21
34
43
51
tPHL
Propagation
Delay Time
(CLR - QA, QH)
2.0
50
for HC323
85
190
240
285
ns
4.5
24
38
48
57
6.0
18
32
41
48
2.0
150
for HC323
105
230
290
345
ns
4.5
29
46
58
69
6.0
22
39
49
59
tPZL
tPZH
3 State Output
Enable Time
2.0
50
RL =1 K
Ω
60
130
165
195
ns
4.5
17
26
33
39
6.0
13
22
28
33
2.0
150
RL =1 K
Ω
78
170
15
255
ns
4.5
23
34
43
51
6.0
17
29
37
43
tPLZ
tPHZ
3 State Output
Disable Time
2.0
50
RL =1 K
Ω
54
150
190
225
ns
4.5
19
30
38
45
6.0
16
26
32
38
fMAX
Maximum Clock
Frequency
2.0
50
6
12
4.8
4
ns
4.5
30
58
24
20
6.0
35
80
28
24
tW(L)
tW(H)
Minimum Pulse
Width
(CLOCK)
2.0
50
75
95
110
ns
4.5
15
19
22
6.0
13
16
19
tW(L)
Minimum Pulse
Width
(CLEAR)
2.0
50
for HC299
75
95
110
ns
4.5
15
19
22
6.0
13
16
19
ts
Minimum Set-up
Time (S0, S1)
(SL, SR, A H)
(CLEAR for 323)
2.0
50
100
125
150
ns
4.5
20
25
30
6.0
17
21
26
th
Minimum Hold
Time (S0, S1)
(SL, SR, A H)
(CLEAR for 323)
2.0
50
000
ns
4.5
0
0
0
6.0
0
0
0
tREM
Minimum
Removal Time
(CLEAR)
2.0
50
for HC299
50
65
75
ns
4.5
10
13
15
6.0
9
11
13
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
170
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
M54/M74HC299/323
8/15



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