7402 Quad 2-input NOR Gate

  • Contains four independent 2-input NOR gates

  • Operates at standard 5V TTL logic levels

  • Performs logical NOR on two inputs per gate

  • Fast switching with low propagation delay

  • Available in 14-pin DIP or SMD packages

SKU: 74LS02

14,00 EGP

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Description

7402 – 7402 Quad 2-Input NOR Gate Datasheet

Features
  1. Four Independent 2-Input NOR Gates
  2. Outputs Directly Interface to CMOS, NMOS and TTL
  3. Large Operating Voltage Range
  4. Wide Operating Conditions

Pin Layout

TTL 7402 Pin Layout

Pin Description

Pin Number Description
1 Y Output Gate 1
2 A Input Gate 1
3 B Input Gate 1
4 Y Output Gate 2
5 A Input Gate 2
6 B Input Gate 2
7 Ground
8 A Input Gate 3
9 B Input Gate 3
10 Y Output Gate 3
11 A Input Gate 4
12 B Input Gate 4
13 Y Output Gate 4
14 Vcc – Positive Supply

Dimensional Drawing

DIP14 IC Dimensional Drawing
 

Technical Data

Absolute Maximum Ratings

Supply Voltage

7V

Input Voltage

5.5V

Operating Free Air Temperature

0°C to +70°C

Storage Temperature Range

-65°C to +150°C

Recommended Operating Conditions

Symbol Parameter Min Typ Max Units
Vcc Supply Voltage 4.75 5 5.25 V
Vih HIGH Level Input Voltage 2     V
Vil LOW Level Input Voltage     0.8 V
Ioh HIGH Level Output Current     -0.4 mA
Iol LOW Level Output Current     16 mA
Ta Free Air Operating Temperature 0   70 °C

Electrical Characteristics

Symbol Parameter Conditions Min Typ Max Units
Vi Input Clamp Voltage Vcc=Min Ii=-12mA     -1.5 V
Voh HIGH Level Output Voltage Vcc=Min Ioh=MAX Vil=MAX 2.4 3.4   V
Vol LOW Level Output Voltage Vcc=Min Iol=MAX Vih=MAX   0.2 0.4 V
Ii Input Current@MAX Input Voltage Vcc=Max Vi=5.5V     1 mA
Iih HIGH Level Input Current Vcc=Max Vi=2.4V     40 µA
Iil LOW Level Input Current Vcc=Max Vi=0.4V     -1.6 mA
Ios Short Circuit Output Current Vcc=Max -18   -55 mA
Icch Supply Current with Outputs HIGH Vcc=Max   4 8 mA
Iccl Supply Current with Outputs LOW Vcc=Max   12 22 mA

Switching Characteristics at Vcc=5V,Ta=25°C

Symbol Parameter Conditions Min Typ Max Units
tplh Propagation Delay Time LOW-to-HIGH Level Output Cl=15pF Rl=400R     22 nS
tphl Propagation Delay Time HIGH-to-LOW Level Output Cl=15pF Rl=400R     15 nS

Specification

General

Weight Weight 0,00 g
supply-voltage

7V

input-voltage

5.5V

operating-free-air-temperature

0°C to +70°C

storage-temperature-range

-65°C to +150°C

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