SN74LS148N 데이터 시트보기 (PDF) - Motorola => Freescale
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SN74LS148N
Motorola => Freescale
SN74LS148N Datasheet PDF : 7 Pages
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SN54/74LS147 • SN54/74LS148 • SN54/74LS748
AC CHARACTERISTICS (VCC = 5.0 V, TA = 25°C)
SN54 / 74LS147
Symbol
tPLH
tPHL
tPLH
tPHL
From
(Input)
Any
Any
To
(Output)
Any
Any
Waveform
In-phase
output
Out-of-phase
output
SN54 / 74LS148
SN54 / 74LS748
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
From
(Input)
1 thru 7
1 thru 7
0 thru 7
0 thru 7
EI
EI
EI
To
(Output)
A0, A1, or A2
Waveform
In-phase
output
Out-of-phase
A0, A1, or A2
output
Out-of-phase
EO
output
In-phase
GS
output
A0, A1, or A2
In-phase
output
In-phase
GS
output
EO
In-phase
output
Limits
Min Typ Max
12
18
12
18
21
33
15
23
Limits
Min Typ Max
14
18
15
25
20
36
16
29
7.0
18
25
40
35
55
9.0
21
16
25
12
25
12
17
14
36
12
21
28
40
30
45
Unit
Test Conditions
ns
CL = 15 pF,
RL = 2.0 kΩ
ns
Unit
Test Conditions
ns
ns
ns
CL = 15 pF,
ns
RL = 2.0 kΩ
ns
ns
ns (LS148)
(LS748)
FAST AND LS TTL DATA
5-249
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