參數(shù)資料
型號: 74148
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): 3/22頁
文件大小: 623K
代理商: 74148
SDLS053B OCTOBER 1976 REVISED MAY 2004
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FUNCTION TABLE ’148, ’LS148
INPUTS
OUTPUTS
EI
0
1
2
3
4
5
6
7
A2
A1
A0
GS
EO
H
X
X
X
X
X
X
X
X
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
L
L
X
X
X
X
X
X
X
L
L
L
L
L
H
L
X
X
X
X
X
X
L
H
L
L
H
L
H
L
X
X
X
X
X
L
H
H
L
H
L
L
H
L
X
X
X
X
L
H
H
H
L
H
H
L
H
L
X
X
X
L
H
H
H
H
H
L
L
L
H
L
X
X
L
H
H
H
H
H
H
L
H
L
H
L
X
L
H
H
H
H
H
H
H
H
L
L
H
L
L
H
H
H
H
H
H
H
H
H
H
L
H
H = high logic level, L = low logic level, X = irrelevant
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