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54F192DM Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54F192DM
Description  Up/Down Decade Counter with Separate Up/Down Clocks
Download  10 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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54F192DM Datasheet(HTML) 5 Page - 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
75
90
MHz
tPLH
Propagation Delay CPU or
40
70
90
40
105
40
100
ns
tPHL
CPD to TCU or TCD
35
60
80
35
95
35
90
tPLH
Propagation Delay
40
65
85
40
100
40
95
ns
tPHL
CPU or CPD to Qn
55
95
125
55
140
55
135
tPLH
Propagation Delay
30
45
70
30
85
30
80
ns
tPHL
Pn to Qn
60
110
145
60
165
60
155
tPLH
Propagation Delay
50
85
110
50
135
50
120
ns
tPHL
PL to Qn
55
100
130
55
150
55
140
tPHL
Propagation Delay
65
110
145
65
160
65
155
MR to Qn
tPLH
Propagation Delay
60
105
135
60
150
60
145
ns
MR to TCU
tPHL
Propagation Delay
70
115
145
70
160
70
155
MR to TCD
tPLH
Propagation Delay
70
120
155
70
185
70
165
ns
tPHL
PL to TCU or TCD
70
115
145
70
175
70
155
tPLH
Propagation Delay
70
115
145
70
165
70
155
ns
tPHL
Pn to TCU or TCD
65
110
140
65
165
65
150
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
45
60
50
ts(L)
Pn to PL
45
60
50
ns
th(H)
Hold Time HIGH or LOW
20
20
20
th(L)
Pn to PL
20
20
20
tw(L)
PL Pulse Width LOW
60
75
60
ns
tw(L)
CPU or CPD
50
70
50
ns
Pulse Width LOW
tw(L)
CPU or CPD
Pulse Width LOW
100
120
100
ns
(Change of Direction)
tw(H)
MR Pulse Width HIGH
60
60
60
ns
trec
Recovery Time
60
80
60
ns
PL to CPU or CPD
trec
Recovery Time
40
45
40
ns
MR to CPU or CPD
5


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