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54F545LM Datasheet(数据表) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件型号  54F545LM
说明  Octal Bidirectional Transceiver with TRI-STATEE Outputs
下载  8 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
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 4 page
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DC Electrical Characteristics (Continued)
Symbol
Parameter
54F74F
Units
VCC
Conditions
Min
Typ
Max
IZZ
Bus Drainage Test
500
m
A
00V
VOUT e 525V
ICCH
Power Supply Current
70
90
mA
Max
VO e HIGH
ICCL
Power Supply Current
95
120
mA
Max
VO e LOW
ICCZ
Power Supply Current
85
110
mA
Max
VO e HIGH Z
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
42
60
20
75
25
70
ns
tPHL
An to Bn or Bn to An
25
46
60
20
75
25
70
tPZH
Output Enable Time
30
53
70
25
90
30
80
tPZL
35
60
80
30
100
35
90
ns
tPHZ
Output Disable Time
30
50
65
25
90
30
75
tPLZ
20
50
65
20
100
20
75
Logic Diagram
TLF9556 – 4
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays
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
545
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
P e Plastic DIP
C e Commercial (0 Cto a70 C)
D e Ceramic DIP
M e Military (b55 Cto a125 C)
F e Flatpak
L e Leadless Chip Carrier (LCC)
S e Small Outline SOIC JEDEC
SJ e Small Outline SOIC EIAJ
4




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