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74HC20DB Datasheet Preview

74HC20DB Datasheet

Dual 4-input NAND gate

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74HC20; 74HCT20
Dual 4-input NAND gate
Rev. 5 — 27 March 2019
Product data sheet
1. General description
The 74HC20; 74HCT20 is a dual 4-input NAND gate. Inputs include clamp diodes. This enables
the use of current limiting resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
Complies with JEDEC standard JESD7A
Low-power dissipation
Input levels:
For 74HC20: CMOS level
For 74HCT20: TTL level
ESD protection:
HBM JESD22-A114F exceeds 2 000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from -40 °C to +80 °C and from -40 °C to +125 °C.
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
Description
74HC20D
74HCT20D
-40 °C to +125 °C SO14
plastic small outline package; 14 leads;
body width 3.9 mm
74HC20DB
74HCT20DB
-40 °C to +125 °C SSOP14 plastic shrink small outline package; 14 leads;
body width 5.3 mm
74HC20PW
-40 °C to +125 °C TSSOP14 plastic thin shrink small outline package; 14 leads;
body width 4.4 mm
Version
SOT108-1
SOT337-1
SOT402-1
4. Functional diagram
1 1A
2 1B
4 1C
5 1D
9 2A
10 2B
12 2C
13 2D
1Y
6
2Y 8
aaa-004014
Fig. 1. Functional diagram
1 1A
2 1B
4 1C
5 1D
9 2A
10 2B
12 2C
13 2D
Fig. 2. Logic symbol
1Y
6
2Y
8
aaa-004015




nexperia

74HC20DB Datasheet Preview

74HC20DB Datasheet

Dual 4-input NAND gate

No Preview Available !

Nexperia
1
&
2
6
4
5
9
&
10
8
12
13
Fig. 3. IEC Logic symbol
aaa-004016
5. Pinning information
5.1. Pinning
74HC20
74HCT20
1A 1
14 VCC
1B 2
13 2D
n.c. 3
12 2C
1C 4
11 n.c.
1D 5
10 2B
1Y 6
9 2A
GND 7
8 2Y
aaa-004018
Fig. 5. Pin configuration SOT108-1
5.2. Pin description
Table 2. Pin description
Symbol
1A, 1B, 1C, 1D
n.c.
1Y
GND
2Y
2A, 2B, 2C, 2D
VCC
Pin
1, 2, 4, 5
3, 11
6
7
8
9, 10, 12, 13
14
74HC20; 74HCT20
Dual 4-input NAND gate
A
B
C
D
Fig. 4. Logic diagram
Y
aaa-004017
74HC20
74HCT20
1A 1
1B 2
n.c. 3
1C 4
1D 5
1Y 6
GND 7
14 VCC
13 2D
12 2C
11 n.c.
10 2B
9 2A
8 2Y
aaa-004019
Fig. 6. Pin configuration SOT337-1 and SOT402-1
Description
data input
not connected
data output
ground (0 V)
data output
data input
supply voltage
74HC_HCT20
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 27 March 2019
© Nexperia B.V. 2019. All rights reserved
2 / 12


Part Number 74HC20DB
Description Dual 4-input NAND gate
Maker nexperia
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74HC20DB Datasheet PDF






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