ꢀ
ꢀ
ꢁ
ꢁ
ꢂ
ꢅ
ꢃ
ꢄ
ꢃ
ꢃ
ꢅ
ꢅ
ꢆ
ꢆ
ꢀꢁ ꢂ ꢃꢄ ꢃ ꢇ ꢆ ꢀ ꢁꢂ ꢃ ꢈꢀ ꢄ ꢃꢅ ꢆ ꢀ ꢁꢂ ꢃ ꢈ ꢀꢄ ꢃ ꢇ
ꢀꢁ ꢅ ꢃꢄꢃ ꢇ ꢉꢊ ꢋ ꢌꢍ ꢍꢎ ꢅ ꢏꢆ ꢀ ꢁꢅ ꢃ ꢈꢀ ꢄꢃ ꢅ ꢆ ꢀꢁꢅ ꢃ ꢈ ꢀꢄ ꢃ ꢇ
ꢃꢄ
ꢄ
ꢎ
ꢐ
ꢈ
ꢋ
ꢁ
ꢑ
ꢊ
ꢒ
ꢃ
ꢐ
ꢈ
ꢋ
ꢁ
ꢑ
ꢓ
ꢁ
ꢔ
ꢇ
ꢐ
ꢈ
ꢋ
ꢁ
ꢑ
ꢊ ꢒ
ꢕ
ꢐ
ꢈꢋ
ꢁ
ꢑ
ꢖ
ꢗ
ꢋ
ꢒ
ꢗ
ꢋ
ꢊ
ꢘ
ꢑ
ꢁ
ꢙ
ꢒ
ꢔ
ꢑ
ꢗ
ꢀ
SDLS053B − OCTOBER 1976 − REVISED MAY 2004
SN54LS147, SN74LS147 switching characteristics, V
= 5 V, T = 255C (see Figure 2)
CC
A
FROM
TO
TEST
PARAMETER
WAVEFORM
MIN
TYP
MAX
UNIT
ns
(INPUT)
(OUTPUT)
CONDITIONS
t
t
t
t
12
12
21
15
18
18
33
23
PLH
PHL
PLH
PHL
Any
Any
Any
Any
In-phase output
C
R
= 15 pF,
= 2 kΩ
L
L
Out-of-phase output
ns
SN54LS148, SN74LS148 switching characteristics, V
= 5 V, T = 255C (see Figure 2)
CC
A
FROM
TO
TEST
†
PARAMETER
WAVEFORM
MIN
TYP
MAX
UNIT
ns
(INPUT)
(OUTPUT)
CONDITIONS
t
t
t
t
t
t
t
t
t
t
t
t
t
t
14
15
20
16
7
18
25
36
29
18
40
55
21
25
25
17
36
21
35
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
1–7
1–7
0–7
0–7
EI
A0, A1, or A2
In-phase output
Out-of-phase output
Out-of-phase output
In-phase output
In-phase output
In-phase output
In-phase output
A0, A1, or A2
ns
EO
GS
ns
25
35
9
C
R
= 15 pF,
= 2 kΩ
L
L
ns
16
12
12
14
12
23
A0, A1, or A2
GS
ns
EI
ns
EI
EO
ns
†
t
t
= propagation delay time, low-to-high-level output
= propagation delay time, high-to-low-level output
PLH
PHL
10
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TI [ TEXAS INSTRUMENTS ]
