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MC74AC373D PDF预览

MC74AC373D

更新时间: 2024-11-06 05:09:59
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 锁存器输出元件
页数 文件大小 规格书
8页 202K
描述
OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS

MC74AC373D 数据手册

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OCTAL TRANSPARENT  
LATCH WITH  
3-STATE OUTPUTS  
The MC74AC373/74ACT373 consists of eight latches with 3-state outputs for bus  
organized system applications. The flip-flops appear transparent to the data when  
Latch Enable (LE) is HIGH. When LE is LOW, the data that meets the setup time is  
latched. Data appears on the bus when the Output Enable (OE) is LOW. When OE  
is HIGH, the bus output is in the high impedance state.  
Eight Latches in a Single Package  
3-State Outputs for Bus Interfacing  
Outputs Source/Sink 24 mA  
• ′ACT373 Has TTL Compatible Inputs  
N SUFFIX  
CASE 738-03  
PLASTIC  
V
O
D
D
O
O
D
D
O
4
LE  
11  
CC  
7
7
6
6
5
5
4
20  
19  
18  
17  
16  
15  
14  
12  
13  
DW SUFFIX  
CASE 751D-04  
PLASTIC  
1
2
3
4
5
6
7
9
8
10  
OE  
O
D
D
O
O
D
D
O
3
GND  
0
0
1
1
2
2
3
PIN NAMES  
LOGIC SYMBOL  
D –D  
0
Data Inputs  
Latch Enable Input  
Output Enable Input  
7
LE  
OE  
D
O
D
O
D
O
D
O
D
O
D
O
D
O
D
O
0
1
2
3
4
5
6
7
O –O  
3-State Latch Outputs  
LE  
0
7
OE  
0
1
2
3
4
5
6
7
TRUTH TABLE  
Inputs  
Outputs  
OE  
LE  
D
O
n
n
H
L
L
L
X
H
H
L
X
Z
L
H
L
H
X
O
0
H = HIGH Voltage Level  
L = LOW Voltage Level  
Z = High Impedance  
X = Immaterial  
O
= Previous O before LOW-to-HIGH Transition of Clock  
0
0
FACT DATA  
5-1  

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