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74F257ASCSJX 数据表(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 74F257ASCSJX
功能描述  Quad 2-Input Multiplexer with TRI-STATE Outputs
PDF  8 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

74F257ASCSJX 数据表(HTML) 4 Page - National Semiconductor (TI)

  74F257ASCSJX Datasheet HTML 1Page - National Semiconductor (TI) 74F257ASCSJX Datasheet HTML 2Page - National Semiconductor (TI) 74F257ASCSJX Datasheet HTML 3Page - National Semiconductor (TI) 74F257ASCSJX Datasheet HTML 4Page - National Semiconductor (TI) 74F257ASCSJX Datasheet HTML 5Page - National Semiconductor (TI) 74F257ASCSJX Datasheet HTML 6Page - National Semiconductor (TI) 74F257ASCSJX Datasheet HTML 7Page - National Semiconductor (TI) 74F257ASCSJX 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
tPLH
Propagation Delay
25
45
55
20
70
20
60
ns
tPHL
In to Zn
20
42
55
15
70
20
60
tPLH
Propagation Delay
40
50
95
35
115
35
105
ns
tPHL
StoZn
25
65
70
25
90
25
80
tPZH
Output Enable Time
20
59
60
20
80
20
70
tPZL
25
55
70
25
90
25
80
ns
tPHZ
Output Disable Time
20
43
60
20
70
20
70
tPLZ
20
45
60
20
85
20
70
4



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