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CD54HC273 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. CD54HC273
Description  High-Speed CMOS Logic Octal D-Type Flip-Flop with Reset
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

CD54HC273 Datasheet(HTML) 5 Page - Texas Instruments

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5
Clock Pulse Width (Figure 1)
tW
-
2
80
-
-
100
-
120
-
ns
4.5
16
-
-
20
-
24
-
ns
6
14
-
-
17
-
20
-
ns
Set-up Time Data to Clock
(Figure 5)
tSU
-
2
60
-
-
75
-
70
-
ns
4.5
12
-
-
15
-
18
-
ns
6
10
-
-
13
-
15
-
ns
Hold Time, Data to Clock
(Figure 5)
tH
-2
3
-
-
3
-
3
-
ns
4.5
3
-
-
3
-
3
-
ns
6
3
-
-
3-3-
ns
Removal Time, MR to Clock
tREM
-
2
50
-
-
65
-
75
-
ns
4.5
10
-
-
13
-
15
-
ns
6
9
-
-
11
-
13
-
ns
HCT TYPES
Maximum Clock Frequency
(Figure 2)
fMAX
-
4.5
25
-
-
20
-
16
-
MHz
MR Pulse Width
(Figure 2)
tw
-
4.5
12
-
-
15
-
18
-
ns
Clock Pulse Width (Figure 2)
tw
-
4.5
20
-
-
25
-
30
-
ns
Set-up Time Data to Clock
(Figure 6)
tSU
-
4.5
12
-
-
15
-
18
-
ns
Hold Time, Data to Clock
(Figure 6)
tH
-
4.5
3
-
-
3
-
3
-
ns
Removal Time, MR to Clock
tREM
-
4.5
10
-
-
13
-
15
-
ns
Switching Specifications Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC (V)
25oC
-40oC TO 85oC
-55oC TO
125oC
UNITS
TYP
MAX
MAX
MAX
HC TYPES
Propagation Delay,
Clock to Output
(Figure 3)
tPLH, tPHL
CL = 50pF
2
-
150
190
225
ns
4.5
-
30
38
45
ns
6
-
26
30
38
ns
CL = 15pF
5
12
-
-
-
ns
Propagation Delay,
MR to Output
(Figure 3)
tPHL
CL = 50pF
2
-
150
190
225
ns
4.5
-
30
38
45
ns
6
-
26
30
38
ns
Output Transition Time
(Figure 3)
tTLH, tTHL
CL = 50pF
2
-
75
95
110
ns
4.5
-
15
19
22
ns
6
-
13
16
19
ns
Input Capacitance
CI
--
-
10
10
10
pF
Maximum Clock Frequency
fMAX
CL = 15pF
5
60
-
-
-
MHz
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
CD54/74HC273, CD54/74HCT273


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