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IC 7408 Quad 2 input AND Gate IC

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  • Operating voltage range:  +4.75V to +5.25V
  • Recommended operating voltage: +5V
  • Maximum supply voltage:+7V
  • Maximum current allowed to draw through each gate output: 8mA
  • CMOS Low Power Consumption
  • Typical Rise Time: 18ns
  • Typical Fall Time: 18ns
  • Operating temperature:0°C  to 70°C
  • Storage Temperature: -65°C  to 150°C

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SKU 04BN004 Category

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Description

IC 7408 Quad 2 input AND Gate IC

The 7408 is a high-speed CMOS Logic Quad AND Gate. 7408 contains Four independent AND gates in one package. An AND gate is a digital logic gate with two or more inputs and one output that performs logical conjunction. The output of an AND gate is true only when all of the inputs are true. If one or more of an AND gate’s inputs are false, then the output of the AND gate is false.( Click for wide range of  Logic Gates at solicstores.in).

The 74HC08 provides four independent 2-input AND gates with standard push-pull outputs. The device is designed for operation with a power supply range of 2.0V to 6.0V.

7408Pin configuration

7408

 

 

 

 

 

 

 

 

 

Pin Number Description
AND GATE 1
1 A1-INPUT1 of GATE 1
2 B1-INPUT2 of GATE 1
3 Y1-OUTPUT of GATE1
AND GATE 2
4 A2-INPUT1 of GATE 2
5 B2-INPUT2 of GATE 2
6 Y2-OUTPUT of GATE2
AND GATE 3
9 A3-INPUT1 of GATE 3
10 B3-INPUT2 of GATE 3
8 Y3-OUTPUT of GATE3
AND GATE 4
12 A4-INPUT1 of GATE 4
13 B4-INPUT2 of GATE 4
11 Y4-OUTPUT of GATE4
SHARED TERMINALS
7 GND- connected to ground
14 VCC-Connected to a positive voltage to provide power to all four gates

Internal structure  7408 IC

The four AND gates in the chip mentioned earlier are connected internally as shown in the diagram below.

7408

Each AND gate here performs AND operation for two logic inputs. For example, gate1 performs AND operation between A1 and B1 and provides an output at the Y1 terminal.

The truth table of AND gate is given as,

Input1 Input2 AND Output
LOW LOW LOW
HIGH LOW LOW
LOW HIGH LOW
HIGH HIGH HIGH

Features and Specifications

  • Operating voltage range:  +4.75V to +5.25V
  • Recommended operating voltage: +5V
  • Maximum supply voltage:+7V
  • Maximum current allowed to draw through each gate output: 8mA
  • CMOS Low Power Consumption
  • Typical Rise Time: 18ns
  • Typical Fall Time: 18ns
  • Operating temperature:0°C  to 70°C
  • Storage Temperature: -65°C  to 150°C

Applications

  • General-purpose ANDlogic operation
  • Measuring Instruments
  • Digital Electronics
  • Servers
  • ALUs
  • Memory units
  • Networking
  • Digital systems

Package Includes :

1 x IC 7408 Quad 2 input AND Gate IC

Specification

Package/Case PDIP-14
Input levels CMOS level
supply voltage  +4.75V to +5.25V
output current ±25 mA
supply current 50  mA
ground current -50 mA
Input levels CMOS level
Operating temperature 0°C  to 70 °C
Total power dissipation 500 mW

 

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