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54F74DM Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54F74DM
Description  Dual D-Type Positive Edge-Triggered Flip-Flop
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

54F74DM Datasheet(HTML) 4 Page - National Semiconductor (TI)

  54F74DM Datasheet HTML 1Page - National Semiconductor (TI) 54F74DM Datasheet HTML 2Page - National Semiconductor (TI) 54F74DM Datasheet HTML 3Page - National Semiconductor (TI) 54F74DM Datasheet HTML 4Page - National Semiconductor (TI) 54F74DM Datasheet HTML 5Page - National Semiconductor (TI) 54F74DM Datasheet HTML 6Page - National Semiconductor (TI) 54F74DM Datasheet HTML 7Page - National Semiconductor (TI) 54F74DM Datasheet HTML 8Page - National Semiconductor (TI)  
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AC Electrical Characteristics
74F
54F
74F
TA ea25 C
TA VCC e Mil
TA VCC e Com
Symbol
Parameter
VCC ea50V
CL e 50 pF
CL e 50 pF
Units
CL e 50 pF
Min
Typ
Max
Min
Max
Min
Max
fmax
Maximum Clock Frequency
100
125
80
100
MHz
tPLH
Propagation Delay
38
53
68
38
85
38
78
ns
tPHL
CPn to Qn or Qn
44
62
80
44
105
44
92
tPLH
Propagation Delay
32
46
61
32
80
32
71
ns
tPHL
CDn or SDn to Qn or Qn
35
70
90
35
115
35
105
AC Operating Requirements
74F
54F
74F
Symbol
Parameter
TA ea25 C
TA VCC e Mil
TA VCC e Com
Units
VCC ea50V
Min
Max
Min
Max
Min
Max
ts(H)
Setup Time HIGH or LOW
20
30
20
ts(L)
Dn to CPn
30
40
30
ns
th(H)
Hold Time HIGH or LOW
10
20
10
th(L)
Dn to CPn
10
20
10
tw(H)
CPn Pulse Width
40
40
40
ns
tw(L)
HIGH or LOW
50
60
50
tw(L)
CDn or SDn Pulse Width
40
40
40
ns
LOW
trec
Recovery Time
20
30
20
ns
CDn or SDn to CP
4


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