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CD74HC194 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. CD74HC194
Description  High-Speed CMOS Logic 4-Bit Bidirectional Universal Shift Register
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC194 Datasheet(HTML) 5 Page - Texas Instruments

   
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5
Prerequisite For Switching Function
PARAMETER
SYMBOL
TEST
CONDITIONS VCC (V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
MAX
MIN
MAX
MIN
MAX
HC TYPES
Max. Clock Frequency
(Figure 1)
fMAX
-
2
6-5-4-
MHz
4.5
30
-
24
-
20
-
MHz
6
35
-
28
-
23
-
MHz
MR Pulse Width
(Figure 2)
tW
-
2
80
-
100
-
120
-
ns
4.5
16
-
20
-
24
-
ns
6
14-17
-20-
ns
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 3)
tSU
-
2
70
-
90
-
105
-
ns
4.5
14
-
18
-
21
-
ns
6
12-15
-19-
ns
Removal Time,
MR to Clock (Figure 2)
tREM
-
2
60
-
75
-
90
-
ns
4.5
12
-
15
-
18
-
ns
6
10-13
-15-
ns
Set-Up Time
S1, S0 to Clock (Figure 4)
tSU
-
2
80
-
100
-
120
-
ns
4.5
16
-
20
-
24
-
ns
6
14-17
-20-
ns
Set-up Time
DSL, DSR to Clock (Figure 4)
tSU
-
2
70
-
90
-
105
-
ns
4.5
14
-
18
-
21
-
ns
6
12-15
-18-
ns
Hold Time
S1, S0 to Clock (Figure 4
tH
-
2
0-0-0-
ns
4.5
0-0-0-
ns
6
0
-0-0-
ns
Hold Time
Data to Clock (Figure 3)
tH
-
2
0-0-0-
ns
4.5
0-0-0-
ns
6
0
-0-0-
ns
HCT TYPES
Max. Clock Frequency (Figure 1)
fMAX
-
4.5
27
-
22
-
18
-
MHz
MR Pulse Width (Figure 2)
tW
-
4.5
16
-
20
-
24
-
ns
Clock Pulse Width (Figure 1)
tW
-
4.5
16
-
20
-
24
-
ns
Set-up Time, Data to Clock
(Figure 3)
tSU
-
4.5
14
-
18
-
21
-
ns
Removal Time MR to Clock
(Figure 2)
tREM
-
4.5
12
-
15
-
18
-
ns
CD74HC194, CD74HCT194


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