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54F243DM Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 54F243DM
Description  Quad Bus Transceiver with TRI-STATE Outputs
PDF  6 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54F243DM Datasheet(HTML) 4 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
tPLH
Propagation Delay
25
40
52
20
65
20
62
ns
tPHL
An to Bn Bn to An
25
40
52
20
85
20
65
tPZH
Output Enable Time
20
43
57
20
80
20
67
tPZL
E1 to Bn E2 to An
20
58
75
20
105
20
85
ns
tPHZ
Output Disable Time
20
45
60
15
75
15
70
tPLZ
E1 to Bn E2 to An
20
45
60
20
85
20
70
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows
74F
243
S
C
X
Temperature Range Family
Special Variations
74F e Commercial
QB e Military grade device with
54F e Military
environmental and burn-in
processing
Device Type
X e Devices shipped in 13 reel
Package Code
Temperature Range
D e Ceramic DIP
C e Commercial (0 Cto a70 C)
F e Flatpak
M e Military (b55 Cto a125 C)
L e Leadless Chip Carrier (LCC)
S e Small Outline SOIC JEDEC
Physical Dimensions inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
4



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