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MC74HC540

更新时间： 2024-11-17 23:01:35
品牌 Logo 应用领域
安森美 - ONSEMI 驱动器
页数 文件大小 规格书
8页 149K
描述
Octal 3-State Inverting Buffer/Line Driver/Line Receiver

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中文翻译

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MC74HC540 数据手册

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High–Performance Silicon–Gate CMOS  
The MC74HC540A is identical in pinout to the LS540. The device  
inputs are compatible with Standard CMOS outputs. External pullup  
resistors make them compatible with LSTTL outputs.  
The HC540A 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. This device features inputs  
and outputs on opposite sides of the package and two ANDed  
active–low output enables.  
http://onsemi.com  
MARKING  
DIAGRAMS  
20  
PDIP–20  
N SUFFIX  
CASE 738  
MC74HC540AN  
AWLYYWW  
20  
1
1
The HC540A is similar in function to the HC541A, which has  
non–inverting outputs.  
20  
SOIC WIDE–20  
DW SUFFIX  
CASE 751D  
HC540A  
AWLYYWW  
20  
• Output Drive Capability: 15 LSTTL Loads  
• Outputs Directly Interface to CMOS, NMOS and TTL  
• Operating Voltage Range: 2 to 6V  
1
1
A
= Assembly Location  
WL = Wafer Lot  
YY = Year  
• Low Input Current: 1µA  
• High Noise Immunity Characteristic of CMOS Devices  
• In Compliance With the JEDEC Standard No. 7A Requirements  
• Chip Complexity: 124 FETs or 31 Equivalent Gates  
LOGIC DIAGRAM  
WW = Work Week  
ORDERING INFORMATION  
Device  
Package  
PDIP–20  
Shipping  
2
3
4
5
6
7
8
9
18  
17  
16  
15  
14  
13  
12  
11  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
Y1  
Y2  
Y3  
Y4  
Y5  
Y6  
Y7  
Y8  
MC74HC540AN  
1440 / Box  
38 / Rail  
MC74HC540ADW  
MC74HC540ADWR2  
SOIC–WIDE  
SOIC–WIDE 1000 / Reel  
Data  
Inputs  
Inverting  
Outputs  
1
Output OE1  
OE2  
PIN 20 = V  
CC  
PIN 10 = GND  
Pinout: 20–Lead Packages (Top View)  
Enables  
19  
V
OE2 Y1  
Y2  
17  
Y3  
16  
Y4  
15  
Y5  
14  
Y6  
13  
Y7  
12  
Y8  
11  
CC  
FUNCTION TABLE  
20  
19  
18  
Inputs  
OE1 OE2  
Output Y  
A
L
L
L
L
L
H
X
X
H
L
H
X
X
H
Z
Z
1
2
3
4
5
6
7
9
8
10  
Z = High Impedance  
X = Don’t Care  
OE1 A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8 GND  
Semiconductor Components Industries, LLC, 2000  
1
Publication Order Number:  
March, 2000 – Rev. 7  
MC74HC540A/D  
12345678

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