參數(shù)資料
型號(hào): 74F2373
廠商: NXP Semiconductors N.V.
英文描述: Octal transparent latch with 30Ωequivalent output termination (3-State)(帶30Ω等值輸出終端電阻的八透明鎖存器(三態(tài)))
中文描述: 八路透明鎖存30Ωequivalent輸出端接(3態(tài))(帶30Ω等值輸出終端電阻的八透明鎖存器(三態(tài)))
文件頁(yè)數(shù): 3/10頁(yè)
文件大?。?/td> 84K
代理商: 74F2373
Philips Semiconductors
Octal transparent latch with 30
equivalent output
termination (3-State)
Product specification
74F2373
1999 Feb 01
3
IEC/IEEE SYMBOL
1
EN2
2D
EN1
1
11
3
4
7
8
13
14
17
18
2
5
6
12
9
15
16
19
SF00252
LOGIC DIAGRAM
V
CC
= Pin 20
GND = Pin 10
D0
D
E
Q
Q0
3
2
D1
D
E
Q
Q1
4
5
D2
D
E
Q
Q2
7
6
D3
D
E
Q
Q3
8
9
D4
D
E
Q
Q4
13
12
D5
D
E
Q
Q5
14
15
D6
D
E
Q
Q6
17
16
D7
D
E
Q
Q7
18
19
11
1
OE
E
SF00256
FUNCTION TABLE
INPUTS
E
INTERNAL
REGISTER
OUTPUTS
Q0 - Q7
OPERATING MODE
OE
Dn
L
H
L
L
L
Enable and read register
L
H
H
H
H
L
l
L
L
Latch and read register
L
h
H
H
L
L
X
NC
NC
Hold
H
L
X
NC
Z
Disable outputs
H
H
Dn
Dn
Z
NOTES:
H =
h
=
L
=
l
=
NC=
X =
Z
=
=
High-voltage level
High state must be present one setup time before the high-to-low enable transition
Low-voltage level
Low state must be present one setup time before the high-to-low enable transition
No change
Don’t care
High impedance “off” state
High-to-low enable transition
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