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HomeProductsIntegrated Circuits (ICs)Logic - Flip FlopsSN74LS377N
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SN74LS377N - Texas Instruments

Manufacturer Part Number
SN74LS377N
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74LS377N
ECAD Model
Parts Description
IC FF D-TYPE SNGL 8BIT 20DIP
Package
20-DIP (0.300', 7.62mm)
Data sheet
SN54LS377-79, SN74LS377-79.pdf
Our certification
In stock: 14930

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Specifications

SN74LS377N Tech Specifications
Texas Instruments - SN74LS377N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74LS377N

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 4.75V ~ 5.25V  
Type D-Type  
Trigger Type Positive Edge  
Supplier Device Package 20-PDIP  
Series 74LS  
Package / Case 20-DIP (0.300', 7.62mm)  
Package Tube  
Output Type Complementary  
Operating Temperature 0°C ~ 70°C (TA)  
Product Attribute Attribute Value  
Number of Elements 1  
Number of Bits per Element 8  
Mounting Type Through Hole  
Max Propagation Delay @ V, Max CL 27ns @ 5V, 15pF  
Function Standard  
Current - Quiescent (Iq) 28 mA  
Current - Output High, Low 400µA, 8mA  
Clock Frequency 40 MHz  
Base Product Number 74LS377  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status
Moisture Sensitivity Level (MSL)
REACH Status
ECCN
HTSUS

Parts Introduction

Manufacturer Part Number

SN74LS377N

Manufacturer

Texas Instruments

Introduction

The SN74LS377N is a D-Type flip-flop logic circuit manufactured by Texas Instruments. It is housed in a 20-pin DIP package, suitable for standard through-hole mounting.

Product Features and Performance

D-Type Flip Flop

Complementary Output

Clock Frequency: 40 MHz

Maximum Propagation Delay: 27ns @ 5V, 15pF

Operating Voltage: 4.75V to 5.25V

Standard 74LS series functionality

Positive edge trigger

Product Advantages

High speed with 40 MHz clock frequency enabling quick data processing

Stable performance under varied voltage conditions (4.75V to 5.25V)

Low propagation delay ensures faster response to input changes

Key Technical Parameters

Number of Elements: 1

Number of Bits per Element: 8

Clock Frequency: 40 MHz

Propagation Delay: 27ns @ 5V, 15pF

Voltage Supply Range: 4.75V ~ 5.25V

Operating Temperature Range: 0°C ~ 70°C

Quality and Safety Features

Compliant with standard 74LS series specifications ensuring reliable and safe operation

Compatibility

Compatible with other 74 series logic devices

Through-hole mounting type for broad compatibility with standard PCB designs

Application Areas

Digital logic circuits

Memory registers

Data storage devices

Product Lifecycle

Active status with continuous manufacturing support

No current plans for discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Higher bit density per element, allowing more data per flip-flop

Low power consumption with 28 mA quiescent current ensures efficiency

Robust performance in commercial temperature range from 0°C to 70°C makes it versatile for various environments

Tested and proven 74LS series technology offers reliability and industry acceptance

Texas Instruments' reputation for quality and support provides added assurance

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74LS377N

Product Attribute SN74LS377N SN74LS374NSR SN74LS378N SN74LS374N
Part Number SN74LS377N SN74LS374NSR SN74LS378N SN74LS374N
Manufacturer Texas Instruments Texas Instruments Texas Instruments onsemi
Current - Quiescent (Iq) 28 mA 40 mA 22 mA 40 mA
Package / Case 20-DIP (0.300', 7.62mm) 20-SOIC (0.209", 5.30mm Width) 16-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm)
Clock Frequency 40 MHz 50 MHz 40 MHz 50 MHz
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Output Type Complementary Tri-State, Non-Inverted Non-Inverted Tri-State, Non-Inverted
Base Product Number 74LS377 74LS374 74LS378 74LS374
Function Standard Standard Standard Standard
Series 74LS 74LS 74LS 74LS
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Package Tube Tape & Reel (TR) Tube Tube
Max Propagation Delay @ V, Max CL 27ns @ 5V, 15pF 28ns @ 5V, 45pF 27ns @ 5V, 15pF 28ns @ 5V, 45pF
Current - Output High, Low 400µA, 8mA 2.6mA, 24mA 400µA, 8mA 2.6mA, 24mA
Type D-Type D-Type D-Type D-Type
Trigger Type Positive Edge Positive Edge Positive Edge Positive Edge
Supplier Device Package 20-PDIP 20-SO 16-PDIP 20-PDIP
Number of Bits per Element 8 8 6 8
Number of Elements 1 1 1 1
Mounting Type Through Hole Surface Mount Through Hole Through Hole

SN74LS377N Datasheet PDF

Download SN74LS377N pdf datasheets and Texas Instruments documentation for SN74LS377N - Texas Instruments.

PCN Design/Specification
Material Set 30/Mar/2017.pdf Copper Wire Base Alternative 23/Apr/2014.pdf
HTML Datasheet
SN54LS377-79, SN74LS377-79.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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SN74LS377N

Texas Instruments
32D-SN74LS377N

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