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CD54HC74 数据表(PDF) 5 Page - Texas Instruments

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部件名 CD54HC74
功能描述  Dual D Flip-Flop with Set and Reset
PDF  17 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

CD54HC74 数据表(HTML) 5 Page - Texas Instruments

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5
Hold Time (Figure 5)
tH
-2
3
-
-
3
-
3
-
ns
4.5
3
-
-
3
-
3
-
ns
6
3
-
-
3-3-
ns
Removal Time R, S, to CP
(Figure 5)
tREM
-
2
30
-
-
40
-
45
-
ns
4.5
6
-
-
8
-
9
-
ns
6
5
-
-
7-8-
ns
Pulse Width R, S (Figure 1)
tW
-
2
80
-
-
100
-
120
-
ns
4.5
16
-
-
20
-
24
-
ns
6
14
-
-
17
-
20
-
ns
Pulse Width CP (Figure 1)
tW
-
2
80
-
-
100
-
120
-
ns
4.5
16
-
-
20
-
24
-
ns
6
14
-
-
17
-
20
-
ns
CP Frequency
fMAX
-
2
6
-
-
5
-
4
-
MHz
4.5
30
-
-
25
-
20
-
MHz
6
35
-
-
29
-
23
-
MHz
HCT TYPES
Data to CP Setup Time
(Figure 6)
tSU
-
4.5
12
-
-
15
-
18
-
ns
Hold Time (Figure 6)
tH
-
4.5
3
-
-
3
-
3
-
ns
Removal Time R, S, to CP
(Figure 6)
tREM
-
4.5
6
-
-
8
-
9
-
ns
Pulse Width R, S (Figure 2)
tW
-
4.5
16
-
-
20
-
24
-
ns
Pulse Width CP (Figure 2)
tW
-
4.5
18
-
-
23
-
27
-
ns
CP Frequency
fMAX
-
4.5
25
-
-
20
-
16
-
MHz
Switching Specifications Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC
(V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
Propagation Delay,
CP to Q, Q (Figure 3)
tPLH, tPHL CL = 50pF
2
-
-
175
-
220
-
265
ns
CL = 50pF
4.5
-
-
35
-
44
-
53
ns
CL = 15pF
5
-
14
-
----
ns
CL = 50pF
6
-
-
30
-
37
-
45
ns
Propagation Delay,
R, S to Q, Q (Figure 3)
tPLH, tPHL CL = 50pF
2
-
-
200
-
250
-
300
ns
CL = 50pF
4.5
-
-
40
-
50
-
60
ns
CL = 15pF
5
-
17
-
----
ns
CL = 50pF
6
-
-
34
-
43
-
51
ns
Transition Time (Figure 3)
tTLH, tTHL CL = 50pF
2
-
-
75
-
95
-
110
ns
CL = 50pF
4.5
-
-
15
-
19
-
22
ns
CL = 50pF
6
-
-
13
-
16
-
19
ns
Input Capacitance
CI
-
-
-
-
10
-
10
-
10
pF
Prerequisite For Switching Specifications
(Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC
(V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
CD54HC74, CD74HC74, CD54HCT74, CD74HCT74



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