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MC74HCXXXADW

更新时间: 2024-11-03 04:28:55
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 锁存器
页数 文件大小 规格书
7页 92K
描述
OCTAL 3-STATE INVERTING TRANSPARENT LATCH HIGH-PERFORMANCE SILICON-GATE CMOS

MC74HCXXXADW 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
High–Performance Silicon–Gate CMOS  
J SUFFIX  
CERAMIC PACKAGE  
CASE 732–03  
20  
20  
The MC54/74HC533A is identical in pinout to the LS533. The device  
inputs are compatible with standard CMOS outputs; with pullup resistors,  
they are compatible with LSTTL outputs.  
These latches appear transparent to data (i.e., the outputs change  
asynchronously) when Latch Enable is high. The Data appears at the  
outputs in inverted form. When Latch Enable goes low, data meeting the  
setup and hold time becomes latched.  
The Output Enable input does not affect the state of the latches, but when  
Output Enable is high, all device outputs are forced to the high-impedance  
state. Thus, data may be latched even when the outputs are not enabled.  
The HC533A is identical in function to the HC563 but has the data inputs  
on the opposite side of the package from the outputs to facilitate PC board  
layout.  
1
N SUFFIX  
PLASTIC PACKAGE  
CASE 738–03  
1
DW SUFFIX  
SOIC PACKAGE  
CASE 751D–04  
20  
1
ORDERING INFORMATION  
This device is similar in function to the HC373A, which has noninverting  
outputs.  
MC54HCXXXAJ  
Ceramic  
Plastic  
SOIC  
MC74HCXXXAN  
MC74HCXXXADW  
Output Drive Capability: 15 LSTTL Loads  
Outputs Directly Interface to CMOS, NMOS and TTL  
Operating Voltage Range: 2.0 to 6.0 V  
Low Input Current: 1.0 µA  
High Noise Immunity Characteristic of CMOS Devices  
In Compliance with the Requirements Defined by JEDEC Standard  
No. 7A  
PIN ASSIGNMENT  
OUTPUT  
ENABLE  
1
20  
V
CC  
Chip Complexity: 256 FETs or 64 Equivalent Gates  
Q0  
2
3
19  
18  
Q7  
D7  
D0  
D1  
4
17  
D6  
Q1  
Q2  
5
16  
15  
14  
13  
12  
11  
Q6  
Q5  
D5  
D4  
Q4  
LOGIC DIAGRAM  
6
D2  
7
2
3
Q0  
Q1  
Q2  
Q3  
Q4  
Q5  
Q6  
Q7  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
D3  
8
5
6
4
Q3  
9
7
LATCH  
ENABLE  
GND  
10  
8
9
DATA  
INPUTS  
INVERTING  
OUTPUTS  
13  
14  
17  
18  
12  
15  
16  
19  
FUNCTION TABLE  
Inputs  
Output  
Output Latch  
Enable Enable  
D
Q
L
L
L
H
H
L
H
L
X
X
L
H
No Change  
Z
11  
1
LATCH ENABLE  
PIN 20 = V  
CC  
PIN 10 = GND  
H
X
OUTPUT ENABLE  
X = Don’t Care  
Z = High Impedance  
3/97  
REV 3  
Motorola, Inc. 1997  

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