參數(shù)資料
型號: 74ALS623AD
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Transceivers
中文描述: ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: PLASTIC, SO-20
文件頁數(shù): 4/11頁
文件大?。?/td> 103K
代理商: 74ALS623AD
Philips Semiconductors
Product specification
74ALS620A/74ALS620A-1
74ALS623A/74ALS623A-1
Transceivers
1991 Feb 08
4
LOGIC DIAGRAM – 74ALS620A/74ALS620A-1
19
1
2
OEBA
OEAB
A0
18
B0
3
A1
17
B1
4
A2
16
B2
5
A3
15
B3
6
A4
14
B4
7
A5
13
B5
8
A6
12
B6
9
A7
11
B7
V
= Pin 20
GND = Pin 10
SC00107
LOGIC DIAGRAM – 74ALS623A/74ALS623A-1
19
1
2
OEBA
OEAB
A0
18
B0
3
A1
17
B1
4
A2
16
B2
5
A3
15
B3
6
A4
14
B4
7
A5
13
B5
8
A6
12
B6
9
A7
11
B7
V
= Pin 20
GND = Pin 10
SC00108
FUNCTION TABLE
INPUTS
OPERATING MODES
OEBA
OEAB
74ALS620A
74ALS623A
L
L
B data to A Bus
B data to A Bus
L
H
A data to B Bus
A data to B Bus
H
L
Z
Z
L
H
B data to A Bus
B data to A Bus
L
H
A data to B Bus
A data to B Bus
H =
L
X =
Z
High voltage level
Low voltage level
Don’t care
High impedance “off” state
=
=
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