MC74HC540AFG データシートの表示（PDF） - ON Semiconductor
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MC74HC540AFG Datasheet PDF : 8 Pages
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MC74HC540A
VCC OE2 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
OE1 A1 A2 A3 A4 A5 A6 A7 A8 GND
Figure 1. Pinout: 20−Lead Packages (Top View)
FUNCTION TABLE
Inputs
OE1 OE2 A
L
L
L
L
L
H
HXX
XHX
Z = High Impedance
X = Don’t Care
Output Y
H
L
Z
Z
A1 2
18 Y1
A2 3
17 Y2
A3 4
16 Y3
Data
Inputs
A4 5
A5 6
15 Y4
14 Y5
A6 7
13 Y6
A7 8
12 Y7
A8 9
11 Y8
Output OE1 1
Enables
OE2
19
PIN 20 = VCC
PIN 10 = GND
Figure 2. Logic Diagram
Inverting
Outputs
ORDERING INFORMATION
Device
Package
Shipping†
MC74HC540AN
PDIP−20
18 Units / Rail
MC74HC540ANG
PDIP−20
(Pb−Free)
18 Units / Rail
MC74HC540ADW
SOIC−20 WIDE
38 Units / Rail
MC74HC540ADWG
SOIC−20 WIDE
(Pb−Free)
38 Units / Rail
MC74HC540ADWR2
SOIC−20 WIDE
1000 Tape & Reel
MC74HC540ADWR2G
SOIC−20 WIDE
(Pb−Free)
1000 Tape & Reel
MC74HC540ADTR2
TSSOP−20*
2500 Tape & Reel
MC74HC540ADTR2G
TSSOP−20*
2500 Tape & Reel
MC74HC540AF
SOEIAJ−20
40 Units / Rail
MC74HC540AFG
SOEIAJ−20
(Pb−Free)
40 Units / Rail
MC74HC540AFEL
SOEIAJ−20
2000 Tape & Reel
MC74HC540AFELG
SOEIAJ−20
(Pb−Free)
2000 Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
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