參數(shù)資料
型號(hào): 74F846
廠商: NXP Semiconductors N.V.
英文描述: 8-bit bus interface latches, inverting (3-State)(8位總線接口鎖存器,反相(三態(tài)))
中文描述: 8位總線接口龍頭,反相(3態(tài))(8位總線接口鎖存器,反相(三態(tài)))
文件頁數(shù): 6/18頁
文件大?。?/td> 206K
代理商: 74F846
Philips Semiconductors
Product specification
74F841/74F842/74F843/
74F845/74F846
Bus interface latches
1999 Jun 23
6
LOGIC DIAGRAM for 74F841
1
OE
V
= Pin 24
GND = Pin 12
L
Q
D
Q0
23
13
LE
D0
2
L
Q
D
Q1
22
D1
3
L
Q
D
Q2
21
D2
4
L
Q
D
Q3
20
D3
5
L
Q
D
Q4
19
D4
6
L
Q
D
Q5
18
D5
7
L
Q
C
D
Q6
17
D6
8
L
Q
D
Q7
16
D7
9
L
Q
D
Q8
15
D8
10
L
Q
D
Q9
14
D9
11
SF01297
LOGIC DIAGRAM for 74F842
1
OE
V
= Pin 24
GND = Pin 12
L
Q
D
Q0
23
13
LE
D0
2
L
Q
D
Q1
22
D1
3
L
Q
D
Q2
21
D2
4
L
Q
D
Q3
20
D3
5
L
Q
D
Q4
19
D4
6
L
Q
D
Q5
18
D5
7
L
Q
C
D
Q6
17
D6
8
L
Q
D
Q7
16
D7
9
L
Q
D
Q8
15
D8
10
L
Q
D
Q9
14
D9
11
SF01298
FUNCTION TABLE for 74F841 and 74F842
INPUTS
OUTPUTS
74F841
74F842
OPERATING MODE
OE
LE
Dn
Qn
Qn
L
H
L
L
H
Transparent
L
H
H
H
L
L
l
L
H
Latched
L
h
H
L
H
X
X
Z
Z
High Impedance
L
L
X
NC
NC
Hold
H =
L
h
l
=
X =
NC=
Z =
High voltage level
Low voltage level
High state one setup time before the High-to-Low LE transition
Low state one setup time before the High-to-Low LE transition
High-to-Low transition
Don’t care
No change
High impedance “off” state
=
=
=
相關(guān)PDF資料
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