參數(shù)資料
型號(hào): 74LS147
廠商: Texas Instruments, Inc.
英文描述: 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS
中文描述: 10線的4線和8線三線優(yōu)先編碼器
文件頁數(shù): 10/22頁
文件大?。?/td> 623K
代理商: 74LS147
SDLS053B OCTOBER 1976 REVISED MAY 2004
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
SN54LS147, SN74LS147 switching characteristics, V
CC
= 5 V, T
A
= 25 C (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
WAVEFORM
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
tPLH
tPHL
tPLH
tPHL
Any
Any
In-phase output
12
18
ns
CL = 15 pF,
RL = 2 k
12
18
Any
Any
Out-of-phase output
21
15
33
23
ns
SN54LS148, SN74LS148 switching characteristics, V
CC
= 5 V, T
A
= 25 C (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
WAVEFORM
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
1–7
A0, A1, or A2
In-phase output
14
18
ns
15
25
1–7
A0, A1, or A2
Out-of-phase output
20
36
ns
16
29
0–7
EO
Out-of-phase output
7
18
ns
25
40
0–7
GS
In-phase output
CL = 15 pF,
RL = 2 k
35
55
ns
9
21
EI
A0, A1, or A2
In-phase output
16
25
ns
12
25
EI
GS
In-phase output
12
17
ns
14
36
EI
EO
In-phase output
12
23
21
35
ns
tPLH = propagation delay time, low-to-high-level output
tPHL = propagation delay time, high-to-low-level output
相關(guān)PDF資料
PDF描述
74148 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS
74LS147 10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS
74LS148 8-line-to-3-line Octal Priority Encoders
74LS148 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODERS
74LS148 10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS
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