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74LS00 Nand Gate: Pinout, Parameter, Specification [Video]

Author: Mia Date: 5 Mar 2021  753

74ls00 pinout

74LS00 contains 4 independent gates each of which performs the logic NAND function. The 74LS00 is one of the best known and most basic of a series of logic gates.

 

There are three gates, AND, OR and NOT, all of which have different internal circuits and have different uses in each device. By combining these three circuits, we can make a number of other gates, namely NAND, NOR, XOR and XNOR, all of which can be easily fabricated using transistors, resistors and capacitors. When we build these circuits, the size of the individual gates becomes beyond our expectations.

 

  

This vedio introduces 7400 NAND Gate & Truth Table


Catalog

74LS00 Pinout

74LS00 Truth Table

74LS00 Parameter

74LS00 Advantages

74LS00 Features

74LS00 Applications

Significance of 74, LS, and 00

Is ‘74HC00’ and ‘74LS00’ the Same

74LS00 Manufacturer

Component Datasheet

FAQ

Ordering & Quantity


74LS00 Pinout

74ls00 pinout

74LS00 Pinout

Pin Number

Pin Description

NAND GATE 1
1

A1-INPUT1 of GATE 1

2

B1-INPUT2 of GATE 1

3

Y1-OUTPUT of GATE1

NAND GATE 2
4

A2-INPUT1 of GATE 2

5

B2-INPUT2 of GATE 2

6

Y2-OUTPUT of GATE2

NAND GATE 3
9

A3-INPUT1 of GATE 3

10

B3-INPUT2 of GATE 3

8

Y3-OUTPUT of GATE3

NAND 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 positive voltage to provide power to all four gates


74LS00 Truth Table

Inputs

Outputs

A

B

Y

L

L

H

L

H

H

H

L

H

H

H

L

  • H=High Logic Level
  • L=Low Logic Level

74LS00 Parameter

  • Recommended Operating Conditions
Symbol Parameter Min Nom 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 - - 8 mA
TA Free Air Operating Temperature 0 - 70
  • DC Pecifications

Symbol

Parameter

Conditions

Min

Typ

(Note 1)

Max

Units

VI

Input Clamp Voltage

VCC = Min, II = -18 mA

-

-

-1.5

V

VOH

HIGH Level Output Voltage

VCC=Min,IOH=Max,VIL=Max

2.7

3.4

-

V

VOL

LOW LevelOutput Voltage

VCC=Min,IOL=Max,VIH=Min

-

0.35

0.5

V

IOL = 4 mA, VCC = Min

-

0.25

0.4

II

Input Current @ MAX Input Voltage

VCC = Max, VI = 7V

-

-

0.1

mA

IIH

HIGH Level Input Current

VCC = Max, VI = 2.7V

-

-

20

μA

IIL

LOW Level Input Current

VCC = Max, VI = 0.4V

-

-

-0.36

mA

IOS

Short Circuit Output Current

VCC = Max (Note 2)

-20

-

-100

mA

ICCH

Supply Current with Outputs HIGH

VCC = Max

-

0.8

1.6

mA

ICCL

Supply Current with Outputs LOW

VCC = Max

-

2.4

4.4

mA

  Note 1: All typicals are at VCC = 5V, TA = 25°C.

  Note 2: Not more than one output should be shorted at a time, and the duration should not exceed one second

  • Electrical Characteristics

Symbol

Parameter

CL = 15pF

CL = 50pF

Units

Min

Max

Min

Max

tPLH

Propagation Delay Time LOW-to-HIGH Level Output

3

10

4

15

ns

tPHL

Propagation Delay Time

3

10

4

15

ns


74LS00 Advantages

The 74LS00 family improves technically on the 7400 family in two key areas: faster speed and lower power consumption. The only limitation of the 74LS00 family compared to the 7400 family is that the 74LS00 family can only source half as much current. However part of the current reduction in the 74LS00 family was on inputs, such that a typical 74LS00 family part can drive twenty LS loads (that is, one output can fan out to twenty inputs within the 74LS00 family; compare this to the 7400 family, which could only drive ten inputs in the same family).


74LS00 Features

  • Can be used as a NAND gate however due to the universality of the NAND gate, it can be converted into other gates easily.

  • Its internal structure is TTL based.

  • It comes in multiple packages, SOIC, PDIP and SOP.

  • Can be used in High-frequency systems.


74LS00 Applications

  • General purpose logic

  • Digital Electronics

  • PCs and notebooks

  • Servers

  • ALUs

  • Networking

  • Digital systems


Significance of 74, LS, and 00

  • LS is a subfamily called low pwer Schottky which was lower in power and faster than the original 7400 family.

  • 74 indicates a logic family

  • The 00 indicates logic function, and it was a quadruple (four per package) 2-input NAND gate.

Is ‘74HC00’ and ‘74LS00’ the Same

LS are Low power Shottky variants. They still use a 5V supply, and have the same thresholds for logic 0 and logic 1, but they draw less current from the supply and are usually faster.

HC and HCT are CMOS variants, which again use less power. The H stood for High Speed, and they could be used intermixed with 4000 series CMOS, which has different definitions of a 0 and a 1. They can both be used down to 3.3V supply.

The T of HCT says that the logic 1 and logic 0 thresholds are compatible with standard TTL when used with a 5V supply. You can use them as a low dissipation alternative


74LS00 Manufacturer

Texas Instruments Inc. (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. Its headquarters are in Dallas, Texas, United States. TI is one of the top ten semiconductor companies worldwide, based on sales volume. Texas Instruments's focus is on developing analog chips and embedded processors, which accounts for more than 80% of their revenue. TI also produces TI digital light processing (DLP) technology and education technology products including calculators, microcontrollers and multi-core processors. To date, TI has more than 43,000 patents worldwide.


Component Datasheet

74LS00 Datasheet


FAQ

  • What is 74LS00?
74LS00 is a member of 74XXYY IC series. The 74xxyy ICs are logic gates of digital electronics. 74LS00 IC has four NAND gates. Also each gate has two inputs.
  • What is NAND logic gate?

In digital electronics, a NAND gate (NOT-AND) is a logic gate which produces an output which is false only if all its inputs are true; thus its output is complement to that of an AND gate. A LOW (0) output results only if all the inputs to the gate are HIGH (1); if any input is LOW (0), a HIGH (1) output results.

  • Why logic gates are used?

Computers need a way to manipulate those 1s and 0s, so that they can eventually do more complicated operations like calculating the 50th digit of π. Computers use logic gates to transform the 1s and 0s from input wires. A logic gate accepts inputs and then outputs a result based on their state.

  • Why does IC start with 74?

Two digits, where "74" denotes a commercial temperature range device and "54" denotes a military temperature range.

 

Ordering & Quality

Photo Mfr. Part # Company Description Package PDF Qty Pricing
(USD)
DM74LS00M DM74LS00M Company:ON Semiconductor Remark:NAND Gate IC 4 Channel 14-SOIC Package:14-SOIC (0.154"", 3.90mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
Call
Inquiry
SN74LS00D SN74LS00D Company:Texas Instruments Remark:NAND Gate IC 4 Channel 14-SOIC Package:14-SOIC (0.154"", 3.90mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.71000
10+: $0.62400
25+: $0.58600
100+: $0.47820
250+: $0.44416
500+: $0.37800
1000+: $0.30240
2500+: $0.27405
5000+: $0.25515
893+: $0.27997
Inquiry
SN74LS00D SN74LS00D Company:ON Semiconductor Remark:NAND Gate IC 4 Channel 14-SOIC Package:14-SOIC (0.154"", 3.90mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.71000
10+: $0.62400
25+: $0.58600
100+: $0.47820
250+: $0.44416
500+: $0.37800
1000+: $0.30240
2500+: $0.27405
5000+: $0.25515
893+: $0.27997
Inquiry
SN74LS00DB SN74LS00DB Company:Texas Instruments Remark:IC Channel Package:N/A
N/A
In Stock:On Order
Inquiry
Price:
891+: $0.28080
Inquiry
SN74LS00DBR SN74LS00DBR Company:Texas Instruments Remark:NAND Gate IC 4 Channel 14-SSOP Package:14-SSOP (0.209"", 5.30mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
2000+: $0.24940
Inquiry
SN74LS00DE4 SN74LS00DE4 Company:Texas Instruments Remark:NAND Gate IC 4 Channel 14-SOIC Package:14-SOIC (0.154"", 3.90mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
729+: $0.34320
Inquiry
SN74LS00DG4 SN74LS00DG4 Company:Texas Instruments Remark:NAND Gate IC 4 Channel 14-SOIC Package:14-SOIC (0.154"", 3.90mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
1350+: $0.30240
Inquiry
SN74LS00DR SN74LS00DR Company:Texas Instruments Remark:NAND Gate IC 4 Channel 14-SOIC Package:14-SOIC (0.154"", 3.90mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.60000
10+: $0.52800
25+: $0.49600
100+: $0.40480
250+: $0.37600
500+: $0.32000
1000+: $0.25600
2500+: $0.23200
5000+: $0.21600
10000+: $0.20800
25000+: $0.20000
62500+: $0.19680
100000+: $0.19200
Inquiry
SN74LS00DRE4 SN74LS00DRE4 Company:Texas Instruments Remark:NAND Gate IC 4 Channel 14-SOIC Package:14-SOIC (0.154"", 3.90mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
2500+: $0.23200
Inquiry
SN74LS00ML1 SN74LS00ML1 Company:ON Semiconductor Remark:IC Channel Package:N/A
N/A
In Stock:On Order
Inquiry
Price:
1266+: $0.19760
Inquiry

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