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HomeProductsIntegrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, TransceiversSN74HC645N
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SN74HC645N - Texas Instruments

Manufacturer Part Number
SN74HC645N
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74HC645N
ECAD Model
Parts Description
IC TXRX NON-INVERT 6V 20DIP
Package
20-DIP (0.300', 7.62mm)
Data sheet
Cylindrical Battery Holders.pdf
SN54HC645, SN74HC645.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 54570

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Specifications

SN74HC645N Tech Specifications
Texas Instruments - SN74HC645N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74HC645N

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 2V ~ 6V  
Supplier Device Package 20-PDIP  
Series 74HC  
Package / Case 20-DIP (0.300', 7.62mm)  
Package Tube  
Output Type 3-State  
Operating Temperature -40°C ~ 85°C (TA)  
Product Attribute Attribute Value  
Number of Elements 1  
Number of Bits per Element 8  
Mounting Type Through Hole  
Logic Type Transceiver, Non-Inverting  
Input Type -  
Current - Output High, Low 7.8mA, 7.8mA  
Base Product Number 74HC645  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

SN74HC645N

Manufacturer

Texas Instruments

Introduction

The SN74HC645N is a part of the 74HC series logic family integrating an 8-bit transceiver with 3-state outputs.

Product Features and Performance

-Non-Inverting transceiver with 8-bit bidirectional data flow

-3-State output for bus-oriented applications

-2V to 6V supply voltage range

-Supports up to 7.8mA output current (High and Low)

-Compatible with 20-DIP (0.300", 7.62mm) through-hole mounting

Product Advantages

-Allows for controlled data transmission with 3-State outputs

-Flexible usage across various voltage levels

-Ideal for interfacing with microcontrollers and digital systems

-High noise immunity characteristic of CMOS devices

Key Technical Parameters

-Number of Elements: 1

-Number of Bits per Element: 8

-Output Type: 3-State

-Current - Output High, Low: 7.8mA

-Voltage - Supply Range: 2V ~ 6V

-Operating Temperature Range: -40°C ~ 85°C

Quality and Safety Features

-Robust construction for prolonged usage

-Operates reliably within the industrial temperature range

Compatibility

-Compatible across a wide range of digital systems

-Through Hole mounting for easy integration into circuits

Application Areas

-Microcontroller interfacing

-Data bus buffering and control

-Digital signal routing and switching

-Electronic communication systems

Product Lifecycle

-Active status indicating that the product is still being manufactured

-Not nearing discontinuation and replacements or upgrades should be readily available

Key Reasons to Choose This Product

-From a reputable manufacturer, Texas Instruments

-Broad voltage range makes it useful across various devices and power levels

-High output current capability provides sufficient drive for most applications

-Support for operating in extreme temperatures enhances its usability in harsh environments

-Multipurpose use due to non-inverting transceiver configuration with 3-state logic

-Durable and reliable, making it a long-lasting component in any electronic design

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74HC645N

Product Attribute SN74HC645N SN74HC652DWR SN74HC623DW SN74HC682DWR
Part Number SN74HC645N SN74HC652DWR SN74HC623DW SN74HC682DWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C
Number of Elements 1 1 1 -
Current - Output High, Low 7.8mA, 7.8mA 7.8mA, 7.8mA 7.8mA, 7.8mA 5.2mA, 5.2mA
Voltage - Supply 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V
Mounting Type Through Hole Surface Mount Surface Mount Surface Mount
Logic Type Transceiver, Non-Inverting Transceiver, Non-Inverting Transceiver, Non-Inverting -
Package / Case 20-DIP (0.300', 7.62mm) 24-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295', 7.50mm Width) 20-SOIC (0.295", 7.50mm Width)
Series 74HC 74HC 74HC 74HC
Package Tube Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Bits per Element 8 8 8 -
Supplier Device Package 20-PDIP 24-SOIC 20-SOIC 20-SOIC
Input Type - - - -
Base Product Number 74HC645 74HC652 74HC623 74HC682
Output Type 3-State 3-State 3-State -

SN74HC645N Datasheet PDF

Download SN74HC645N pdf datasheets and Texas Instruments documentation for SN74HC645N - Texas Instruments.

Datasheets
Cylindrical Battery Holders.pdf
PCN Design/Specification
Copper Bond Wire Revision A 04/Dec/2013.pdf Material Set 30/Mar/2017.pdf
HTML Datasheet
SN54HC645, SN74HC645.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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SN74HC645N

Texas Instruments
32D-SN74HC645N

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