Exploring the 7408 Integrated Circuit: Datasheet and Pinout

7408 chip

Introduction to the 7408 Integrated Circuit

The 7408 Integrated Circuit (IC) is a great tool for building basic logic gates. It is made up of four two-input AND gates, each with individual output terminals. The 7408 IC can be used to create anything from basic Boolean functions to complex logic operations. This versatile chip makes it possible to quickly construct digital systems that are reliable and easy to use. With this IC, the possibilities are virtually limitless. By utilizing the 7408 Integrated Circuit, engineers and hobbyists alike can quickly and easily implement their ideas into reality. By combining this powerful IC with other components, the results can be astounding and offer an unparalleled level of convenience and performance.

Features of 7408 IC

  • TTL compatible
  • Low power consumption
  • High noise immunity
  • High-speed switching
  • Overloaded protection
  • Low noise levels
  • Contains 8 input lines and 4 output lines
  • Quad 2-input AND gates
  • Operating Voltage of 5V
  • Output Current of 0.4mA
  • Input current of 40uA
  • Output Voltage of 0.8V to 4.2V
  • Operating temperature of -55°C to 125°C
  • Maximum Propagation Delay Time of 8.7ns

IC 7408 pin diagram

ic 7408 pin diagram
ic 7408 pin diagram

The 7408 IC has 14 pins that provide a range of functions, such as enabling logic gates, outputs, and inputs. It is essential to understand the 7408 Pinout before attempting to use the device in any application. Having a good understanding of the pinout can help ensure the device is used correctly and safely.

Pin Descriptions of the 7408 IC

7408 Logic Diagram
7408 Logic Diagram

In the logic diagram of 7408, the “A” and “B” is input gate, “Y” is output gate, “GND” is ground, “VCC” is power supply.

7408 IC Electronic Specifications


Package:SOIC or PDIP
logic family:TTL
Dual-In-Line (DIL):14 pin
Independent 2−Input AND gates:4

Absolute Maximum Ratings:

Maximum Propagation Delay:10 ns
Operating Temperature:-55°C to 125°C
Storage Temperature Range:-65°C to +150°C
High speed operation:up to 10 MHz

Operating Conditions:

Supply VoltageVCC4.7555.25V
High−Level Input VoltageVIH2V
Low−Level Input VoltageVIL0.8V
High−Level Output CurrentIOH−0.8mA
Low−Level Output CurrentIOL16mA
Operating Temperature RangeTA-55125

Electrical Characteristics:

ParameterSymbolTest ConditionsMinTypMaxUnit
Input Clamp VoltageVIKVCC = MIN, II = −12mA−1.5V
High Level Output VoltageVOHVCC = MIN, VIH = 2V, IOH = −0.8mA2.43.4V
Low Level Output VoltageVOLVCC = MIN, VIL = 0.8V, IOL = 16mA0.20.4V
Input CurrentIiVCC = MAX, VI = 5.5V1mA
High Level Input CurrentIIHVCC = MAX, VI = 2.4V40µA
Low Level Input CurrentIILVCC = MAX, VI = 0.4V−1.6mA
Short−Circuit Output CurrentIOSVCC = MAX, Note 4−18−55mA
High Level Supply CurrentICCHVCC = MAX, VI = 4.5V1121mA
Low Level Supply CurrentICCLVCC = MAX, VI = 0V2033mA

Switching Characteristics:

ParameterSymbolTest ConditionsMinTypMaxUnit
Propagation Delay Time LOW-to-HIGH Level OutputtplhCl=15pF Rl=400R22nS
Propagation Delay Time HIGH-to-LOW Level OutputtphlCl=15pF Rl=400R15nS

Applications of the 7408 IC

– Digital Logic Gates
– Binary Counters
– Multiplexers
– Flip-flops
– Bus Driver/Receiver
– Address Decoders
– Data Latches
– Logic gate circuits
– Decoders
– Shift registers
– Counters
– Arithmetic circuits

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