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SN54LS348J 数据表(PDF) 4 Page - Motorola, Inc

部件名 SN54LS348J
功能描述  8-INPUT PRIORITY ENCODERS WITH 3-STATE OUTPUTS
PDF  6 Pages
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制造商  MOTOROLA [Motorola, Inc]
网页  http://www.freescale.com
标志 MOTOROLA - Motorola, Inc

SN54LS348J 数据表(HTML) 4 Page - Motorola, Inc

  SN54LS348J Datasheet HTML 1Page - Motorola, Inc SN54LS348J Datasheet HTML 2Page - Motorola, Inc SN54LS348J Datasheet HTML 3Page - Motorola, Inc SN54LS348J Datasheet HTML 4Page - Motorola, Inc SN54LS348J Datasheet HTML 5Page - Motorola, Inc SN54LS348J Datasheet HTML 6Page - Motorola, Inc  
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5-502
FAST AND LS TTL DATA
SN54/74LS348
• SN54/74LS848
AC CHARACTERISTICS (VCC = 5.0 V, TA = 25°C)
Symbol
From
(Input)
To
(Output)
Waveform
LS348
Limits
LS848
Limits
Unit
Test Conditions
Symbol
From
(Input)
To
(Output)
Waveform
Min
Typ
Max
Min
Typ
Max
Unit
Test Conditions
tPLH
1 thru 7
A0, A1 or A2
In-Phase
11
17
12
18
ns
CL = 45 pF
RL = 667 Ω
tPHL
1 thru 7
A0, A1 or A2
output
20
30
20
30
ns
CL = 45 pF
RL = 667 Ω
tPLH
1 thru 7
A0, A1 or A2
Out-of-Phase
23
35
23
35
ns
CL = 45 pF
RL = 667 Ω
tPHL
1 thru 7
A0, A1 or A2
output
23
35
23
35
ns
CL = 45 pF
RL = 667 Ω
tPZH
EI
A0, A1 or A2
25
39
25
39
ns
tPZL
EI
A0, A1 or A2
24
41
24
41
ns
tPLH
0 thru 7
E0
Out-of-Phase
11
18
11
18
ns
CL = 15 pF
RL = 2.0 Ω
tPHL
0 thru 7
E0
output
26
40
26
40
ns
CL = 15 pF
RL = 2.0 Ω
tPLH
0 thru 7
GS
In-Phase
38
55
38
55
ns
CL = 15 pF
RL = 2.0 Ω
tPHL
0 thru 7
GS
output
9.0
21
9.0
21
ns
CL = 15 pF
RL = 2.0 Ω
tPLH
EI
GS
In-Phase
11
17
11
17
ns
CL = 15 pF
RL = 2.0 Ω
tPHL
EI
GS
output
14
36
14
36
ns
tPLH
EI
EO
In-Phase
17
21
17
21
ns
tPHL
EI
EO
output
25
40
30
45
ns
tPHZ
EI
A0, A1 or A2
18
27
18
27
ns
CL = 5.0 pF
RL = 667 Ω
tPLZ
EI
A0, A1 or A2
23
35
23
35
ns
CL = 5.0 pF
RL = 667 Ω



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