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DM74LS468 데이터시트(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 DM74LS468
상세설명  TRI-STATE Octal Buffer
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제조업체  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
Logo NSC - National Semiconductor (TI)

DM74LS468 데이터시트(HTML) 3 Page - National Semiconductor (TI)

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’LS465 and ’LS467 Switching Characteristics
VCC e 5V TA e 25 C
RL e 667X
Symbol
Parameter
CL e 50 pF
CL e 150 pF
Units
Min
Max
Min
Max
tPLH
Propagation Delay Time
16
25
ns
Low to High Level Output
tPHL
Propagation Delay Time
28
40
ns
High to Low Level Output
tPZH
Output Enable Time
25
30
ns
to High Level Output
tPZL
Output Enable Time
30
42
ns
to Low Level Output
tPHZ
Output Disable Time
20
ns
from High Level Output (Note 1)
tPLZ
Output Disable Time
27
ns
from Low Level Output (Note 1)
Note 1
CL e 5 pF
’LS466 (’LS96A) and ’LS468 (’LS98A) Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output
VCC e Min IOH e Max
27
V
Voltage
VIL e Max VIH e Min
VOL
Low Level Output
VCC e Min IOL e Max
05
V
Voltage
VIL e Max VIH e Min
IOL e 12 mA VCC e Min
04
II
Input Current
Max
VCC e Max VI e 7V
01
mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 27V
20
m
A
IIL
Low Level Input
VCC e Max
VI e 05V
A (Note 4)
b
20
Current
VI e 04V
A (Note 5)
b
50
m
A
G
b
50
IOZH
Off-State Output Current
VCC e Max VO e 24V
with High Level Output
VIH e Min VIL e Max
20
m
A
Voltage Applied
IOZL
Off-State Output Current
VCC e Max VO e 04V
with Low Level Output
VIH e Min VIL e Max
b
20
m
A
Voltage Applied
IOS
Short Circuit
VCC e Max
b
20
b
100
mA
Output Current
(Note 3)
ICC
Supply Current
VCC e Max (Note 5)
13
21
mA
Note 2
All typicals are at VCC e 5V TA e 25 C
Note 3
Not more than one output should be shorted at a time and the duration should not exceed one second
Note 4
Both G inputs are at 2V
Note 5
Both G inputs are at 04V
3


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