MM74HC595WMX 데이터 시트보기 (PDF) - Fairchild Semiconductor
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MM74HC595WMX Datasheet PDF : 10 Pages
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AC Electrical Characteristics
VCC = 5V, TA = 25°C, tr = tf = 6 ns
Symbol
Parameter
Conditions
Guaranteed
Typ
Units
Limit
fMAX
Maximum Operating
Frequency of SCK
50
30
MHz
tPHL, tPLH
tPHL, tPLH
tPZH, tPZL
tPHZ, tPLZ
tS
Maximum Propagation
Delay, SCK to QH’
Maximum Propagation
Delay, RCK to QA thru QH
Maximum Output Enable
Time from G to QA thru QH
Maximum Output Disable
Time from G to QA thru QH
Minimum Setup Time
from SER to SCK
CL = 45 pF
CL = 45 pF
RL = 1 kΩ
CL = 45 pF
RL = kΩ
CL = 5 pF
12
20
ns
18
30
ns
17
28
ns
15
25
ns
20
ns
tS
Minimum Setup Time
20
ns
from SCLR to SCK
tS
Minimum Setup Time
from SCK to RCK
40
ns
(Note 5)
tH
Minimum Hold Time
from SER to SCK
0
ns
tW
Minimum Pulse Width
of SCK or RCK
16
ns
Note 5: This setup time ensures the register will see stable data from the shift-register outputs. The clocks may be connected together in which case the stor-
age register state will be one clock pulse behind the shift register.
AC Electrical Characteristics
VCC = 2.0−6.0V, CL = 50 pF, tr = tf = 6 ns (unless otherwise specified)
Symbol
Parameter
Conditions
VCC
fMAX
Maximum Operating
Frequency
CL = 50 pF
tPHL, tPLH Maximum Propagation
CL = 50 pF
Delay from SCK to QH
CL = 150 pF
CL = 50 pF
CL = 150 pF
CL = 50 pF
CL = 150 pF
tPHL, tPLH Maximum Propagation
CL = 50 pF
Delay from RCK to QA thru QH CL = 150 pF
CL = 50 pF
CL = 150 pF
CL = 50 pF
CL = 150 pF
tPHL, tPLH Maximum Propagation
Delay from SCLR to QH
2.0V
4.5V
6.0V
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
4.5V
6.0V
TA = 25°C
Typ
10
6
45
30
50
35
58
210
83
294
14
42
17
58
10
36
14
50
70
175
105
245
21
35
28
49
18
30
26
42
175
35
30
TA = −40 to 85°C TA = −55 to 125°C Units
Guaranteed Limits
4.8
4.0
MHz
24
20
MHz
28
24
MHz
265
315
ns
367
441
ns
53
63
ns
74
88
ns
45
54
ns
63
76
ns
220
265
ns
306
368
ns
44
53
ns
61
74
ns
37
45
ns
53
63
ns
221
261
ns
44
52
ns
37
44
ns
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