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MC74HC20A Datasheet PDF : 6 Pages
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MC74HC20A
Dual 4-Input NAND Gate
High−Performance Silicon−Gate CMOS
The MC74HC20A is identical in pinout to the LS20. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
Features
• Output Drive Capability: 10 LSTTL Loads
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2 V to 6 V
• Low Input Current: 1 mA
• High Noise Immunity Characteristic of CMOS Devices
• These are Pb−Free Devices
• NLV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
A1
B1
C1
D1
1
2
4
5
A2
B2
C2
D2
9
10
12
13
6 Y1
Y = ABCD
8 Y1
PIN 14 = VCC
PIN 7 = GND
PINS 3, 11 = NO CONNECTION
Figure 1. Logic Diagram
http://onsemi.com
14
1
14
SOIC−14
D SUFFIX
CASE 751A
1
MARKING
DIAGRAMS
HC20AG
AWLYWW
14
1
TSSOP−14
DT SUFFIX
CASE 948G
14
HC
20A
ALYWG
G
1
A
WL, L
YY, Y
WW, W
G or G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
PIN ASSIGNMENT
A1 1
B1 2
NC 3
C1 4
D1 5
Y1 6
GND 7
14 VCC
13 D2
12 C2
11 NC
10 B2
9 A2
8 Y2
FUNCTION TABLE
Inputs
Output
A
B
C
D
Y
L
X
X
X
H
X
L
X
X
H
X
X
L
X
H
X
X
X
L
H
H
H
H
H
L
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
1
June, 2013 − Rev. 2
Publication Order Number:
MC74HC20A/D
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