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74ABT541 Datasheet(Folha de dados) 5 Page - Fairchild Semiconductor

Nome de Peças. 74ABT541
descrição  Octal Buffer/Line Driver with 3-STATE Outputs
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Fbricantes  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
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©1992 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74ABT541 Rev. 1.4
5
Extended AC Electrical Characteristics
SOIC package.
Notes:
7. This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described
switching in phase (i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.).
8. This specification is guaranteed but not tested. The limits represent propagation delay with 250pF load capacitors
in place of the 50pF load capacitors in the standard AC load. This specification pertains to single output switching
only.
9. This specification is guaranteed but not tested. The limits represent propagation delays for all paths described
switching in phase (i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.) with 250pF load capacitors in place of the 50pF load
capacitors in the standard AC load.
10. The 3-STATE delays are dominated by the RC network (500
Ω, 250pF) on the output and have been excluded from
the datasheet.
Symbol
Parameter
–40°C to +85°C,
VCC = 4.5V to 5.5V,
CL = 50pF,
8 Outputs
Switching(7)
TA = –40°C to +85°C,
VCC = 4.5V to 5.5V,
CL = 250pF,
1 Output
Switching(8)
TA = –40°C to +85°C,
VCC = 4.5V to 5.5V,
CL = 250pF,
8 Outputs
Switching(9)
Units
Min.
Typ.
Max.
Min.
Max.
Mi.n
Max.
fTOGGLE Max Toggle
Frequency
100
MHz
tPLH
Propagation Delay,
Data to Outputs
1.5
5.0
1.5
6.0
2.5
8.5
ns
tPHL
1.5
5.0
1.5
6.0
2.5
8.5
tPZH
Output Enable Time
1.5
6.5
2.5
7.5
2.5
9.5
ns
tPZL
1.5
6.5
2.5
7.5
2.5
10.5
tPHZ
Output Disable
Time
1.0
6.1
(10)
ns
tPLZ
1.0
5.6




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