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74640 Datenblatt(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Teilenummer 74640
Bauteilbeschribung  Inverting Octal TRI-STATE Transceiver
PDF  4 Pages
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Hersteller  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

74640 Datenblatt(HTML) 3 Page - National Semiconductor (TI)

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AC Electrical Characteristics MM54HCT640MM74HCT640
VCCe50V g 10% tretfe6 ns (unless otherwise specified)
TAe25 C
74HCT
54HCT
Symbol
Parameter
Conditions
TAeb40 to 85 CTAeb55 to 125 C
Units
Typ
Guaranteed Limits
tPHL tPLH
Maximum Output
CLe50 pF
17
23
29
34
ns
Propagation Delay
CLe150 pF
24
30
38
45
ns
tPZH tPZL
Maximum Output
RLe1kX
CLe50 pF
23
30
38
45
ns
Enable Time
tPHZ tPLZ
Maximum Output
RLe1kX
21
30
38
45
ns
Disable Time
CLe50 pF
tTHL tTLH
Maximum Output
CLe50 pF
8
12
15
18
ns
Rise and Fall Time
CIN
Maximum Input
10
15
15
15
pF
Capacitance
COUT
Maximum Output
20
25
25
25
pF
Input Capacitance
CPD
Power Dissipation
(per output)
GeVCC
7pF
Capacitance (Note 5)
GeGND
100
pF
AC Electrical Characteristics MM54HCT643MM74HCT643
VCCe50V tretfe6 ns TAe25 C (unless otherwise specified)
Symbol
Parameter
Conditions
Typ
Guaranteed
Units
Limits
tPHL tPLH
Maximum Output
CLe45 pF
16
20
ns
Propagation Delay
tPZL tPZH
Maximum Output
CLe45 pF
29
40
ns
Enable Time
RLe1kX
tPLZ tPHZ
Maximum Output
CLe5pF
20
25
ns
Disable Time
RLe1kX
AC Electrical Characteristics MM54HCT643MM74HCT643
VCCe50V g 10% tretfe6 ns (unless otherwise specified)
TAe25 C
74HCT
54HCT
Symbol
Parameter
Conditions
TAeb40 to 85 CTAeb55 to 125 C
Units
Typ
Guaranteed Limits
tPHL tPLH
Maximum Output
CLe50 pF
17
23
29
34
ns
Propagation Delay
CLe150 pF
24
30
38
45
ns
tPZH tPZL
Maximum Output
RLe1kX
CLe50 pF
23
30
38
45
ns
Enable Time
tPHZ tPLZ
Maximum Output
RLe1kX
21
30
38
45
ns
Disable Time
CLe50 pF
ns
tTHL tTLH
Maximum Output
CLe50 pF
8
12
15
18
ns
Rise and Fall Time
CIN
Maximum Input
10
15
15
15
pF
Capacitance
COUT
Maximum Output
20
25
25
25
pF
Input Capacitance
CPD
Power Dissipation
(per output)
GeVCC
7pF
Capacitance (Note 5)
GeGND
100
pF
Note 5
CPD determines the no load power consumption PDeCPDVCC2f aICCVCC The no load dynamic current consumption ISeCPDVCC aICC
3



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