Datasheet

   
    
        
SDLS053B − OCTOBER 1976 − REVISED MAY 2004
10
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
SN54LS147, SN74LS147 switching characteristics, V
CC
= 5 V, T
A
= 255C (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
WAVEFORM
TEST
CONDITIONS
MIN TYP MAX UNIT
t
PLH
Any
Any
In-phase output
12 18
ns
t
PHL
Any Any In-phase output
C
L
= 15 pF,
12 18
ns
t
PLH
Any
Any
Out-of-phase output
C
L
= 15 pF,
R
L
= 2 k
21 33
ns
t
PHL
Any
Any
Out-of-phase output
R
L
= 2 k
15 23
ns
SN54LS148, SN74LS148 switching characteristics, V
CC
= 5 V, T
A
= 255C (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
WAVEFORM
TEST
CONDITIONS
MIN TYP MAX UNIT
t
PLH
1–7
A0, A1, or A2
In-phase output
14 18
ns
t
PHL
1–7 A0, A1, or A2 In-phase output
15 25
ns
t
PLH
1–7
A0, A1, or A2
Out-of-phase output
20 36
ns
t
PHL
1–7 A0, A1, or A2 Out-of-phase output
16 29
ns
t
PLH
0–7
EO
Out-of-phase output
7 18
ns
t
PHL
0–7 EO Out-of-phase output
25 40
ns
t
PLH
0–7
GS
In-phase output
C
L
= 15 pF,
35 55
ns
t
PHL
0–7 GS In-phase output
C
L
= 15 pF,
R
L
= 2 k
9 21
ns
t
PLH
EI
A0, A1, or A2
In-phase output
R
L
= 2 k
16 25
ns
t
PHL
EI A0, A1, or A2 In-phase output
12 25
ns
t
PLH
EI
GS
In-phase output
12 17
ns
t
PHL
EI GS In-phase output
14 36
ns
t
PLH
EI
EO
In-phase output
12 21
ns
t
PHL
EI
EO
In-phase output
23 35
ns
t
PLH
= propagation delay time, low-to-high-level output
t
PHL
= propagation delay time, high-to-low-level output