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MC74HCT240 PDF预览

MC74HCT240

更新时间: 2024-01-29 20:05:23
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 驱动器
页数 文件大小 规格书
7页 175K
描述
Octal 3-State Inverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs

MC74HCT240 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
N SUFFIX  
PLASTIC PACKAGE  
CASE 738–03  
20  
High–Performance Silicon–Gate CMOS  
1
The MC74HCT240A is identical in pinout to the LS240. This device may  
be used as a level converter for interfacing TTL or NMOS outputs to  
High–Speed CMOS inputs. The HCT240A is an octal inverting buffer line  
driver line receiver designed to be used with 3–state memory address  
drivers, clock drivers, and other bus–oriented systems. The device has  
inverting outputs and two active–low output enables.  
DW SUFFIX  
SOIC PACKAGE  
CASE 751D–04  
20  
1
SD SUFFIX  
SSOP PACKAGE  
CASE 940C–03  
20  
20  
The HCT240A is the inverting version of the HCT244. See also HCT241.  
1
Output Drive Capability: 15 LSTTL Loads  
TTL NMOS–Compatible Input Levels  
Outputs Directly Interface to CMOS, NMOS, and TTL  
Operating Voltage Range: 4.5 to 5.5 V  
Low Input Current: 1 µA  
DT SUFFIX  
TSSOP PACKAGE  
CASE 948E–02  
1
In Compliance with the Requirements Defined by JEDEC Standard  
No. 7A  
ORDERING INFORMATION  
MC74HCTXXXAN  
Plastic  
SOIC  
SSOP  
TSSOP  
Chip Complexity: 110 FETs or 27.5 Equivalent Gates  
MC74HCTXXXADW  
MC74HCTXXXASD  
MC74HCTXXXADT  
LOGIC DIAGRAM  
PIN ASSIGNMENT  
2
4
6
8
18  
16  
14  
12  
A1  
YA1  
ENABLE A  
1
20  
V
CC  
A2  
A3  
A4  
YA2  
YA3  
YA4  
A1  
YB4  
A2  
2
3
4
19  
18  
17  
ENABLE B  
YA1  
B4  
YB3  
A3  
5
16  
15  
14  
13  
12  
11  
YA2  
B3  
INVERTING  
OUTPUTS  
6
DATA INPUTS  
11  
13  
9
7
B1  
B2  
YB1  
YB2  
YB2  
A4  
7
YA3  
B2  
8
YB1  
GND  
9
YA4  
B1  
15  
17  
5
3
10  
B3  
B4  
YB3  
YB4  
FUNCTION TABLE  
PIN 20 = V  
CC  
PIN 10 = GND  
Inputs  
Enable A,  
Enable B A, B  
Outputs  
1
ENABLE A  
ENABLE B  
OUTPUT  
ENABLES  
19  
YA, YB  
L
L
H
L
H
X
H
L
Z
Z = High Impedance  
X = Don’t Care  
2/97  
Motorola, Inc. 1997  
REV 7  

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