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MM74HC640 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # MM74HC640
Description  Inverting Octal TRI-STATE Transceiver
PDF  6 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

MM74HC640 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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AC Electrical Characteristics VCCe5V TAe25 C tretfe6ns
Symbol
Parameter
Conditions
Typ
Guaranteed
Units
Limit
tPHL tPLH
Maximum Propagation Delay
CLe45 pF
13
17
ns
tPZH tPZL
Maximum Output Enable Time
RLe1kX
33
42
ns
CLe45 pF
tPHZ tPLZ
Maximum Output Disable Time
RLe1kX
32
42
ns
CLe5pF
AC Electrical Characteristics VCCe20V to 60V CLe50 pF tretfe6 ns (unless otherwise specified)
TAe25 C
74HC
54HC
Symbol
Parameter
Conditions
VCC
TAeb40 to 85 CTAeb55 to 125 C
Units
Typ
Guaranteed Limits
tPHL
Maximum Propagation Delay
CLe50 pF
20V
29
72
88
96
ns
tPLH
CLe150 pF
20V
38
96
116
128
ns
CLe50 pF
45V
14
18
22
24
ns
CLe150 pF
45V
18
24
29
32
ns
CLe50 pF
60V
14
18
22
24
ns
CLe150 pF
60V
18
24
29
32
ns
tPZH
Maximum Output Enable
RLe1kX
tPZL
CLe50 pF
20V
70
184
224
240
ns
CLe150 pF
20V
80
216
260
284
ns
CLe50 pF
45V
35
46
56
60
ns
CLe150 pF
45V
41
54
65
71
ns
CLe50 pF
60V
31
41
50
54
ns
CLe150 pF
60V
36
47
57
62
ns
tPHZ
Maximum Output Disable
RLe1kX
20V
47
172
208
224
ns
tPLZ
Time
CLe50 pF
45V
33
43
52
56
ns
60V
31
41
50
54
ns
tTHL tTLH
Output Rise and Fall Time
CLe50 pF
20V
20
60
75
90
ns
45V
6
12
15
18
ns
60V
5
10
13
15
ns
CPD
Power Dissipation
GeVIL
120
pF
Capacitance (Note 5)
GeVIH
12
pF
CIN
Maximum Input Capacitance
5
10
10
10
pF
CINOUT
Maximum InputOutput
15
20
20
20
pF
Capacitance A or B
Note 5
CPD determines the no load dynamic power consumption PDeCPD VCC2 faICC VCC and the no load dynamic current consumption ISeCPD VCC faICC
3



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