What is the Additional Feature ?

Name: 74HCT245DTR2G
Brand: ON Semiconductor
SKU: 74HCT245DTR2G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

ON Semiconductor 74HCT245DTR2G

Part No.:: 74HCT245DTR2G

Manufacturer:: ON Semiconductor

Package:: 20-TSSOP (0.173, 4.40mm Width)

Datasheet:: 74HCT245DTR2G.pdf

Description:: IC TXRX NON-INVERT 5.5V 20TSSOP

In Stock:: 47470

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

74HCT245DTR2G Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Bulk
Series:
74HCT
ProductStatus:
Obsolete
LogicType:
Transceiver, Non-Inverting
NumberofElements:
1
NumberofBitsperElement:
8
InputType:
-
OutputType:
3-State
Current-OutputHighLow:
4mA, 4mA
Voltage-Supply:
4.5V ~ 5.5V
OperatingTemperature:
-55°C ~ 125°C (TA)
MountingType:
Surface Mount

74HCT245DTR2G this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HCT245DTR2G price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for 74HCT245DTR2G to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

74HCT245DTR2G information

Views：

74HCT245DTR2G Typical application Circuitry

74HCT245DTR2G

The 74HCT245DTR2G is a specific model of the 74HCT series, an octal bus transceiver with 3-state outputs, designed to facilitate bidirectional communication between data buses in digital systems. This IC incorporates high-speed CMOS technology while maintaining TTL input level compatibility, making it suitable for interfacing between systems operating at different logic levels.

Application Scenarios:

One of the primary applications of the 74HCT245DTR2G is in microcontroller-based systems for expanding I/O capabilities, where it enables communication between the microcontroller and external devices or other microcontrollers, particularly when interfacing between different voltage domains or logic families.

Parameter Features:

The 74HCT245DTR2G operates within a supply voltage range of 4.5V to 5.5V, aligning with TTL logic levels. It features eight bidirectional data lines, directional control (DIR), and output enable (OE) pins, providing flexible control over data transmission directions and the ability to isolate the bus when necessary. The IC's 3-state outputs ensure that it can be disconnected from the bus without affecting other devices connected to the bus.

Circuit Connection Details:

- Power Supply Connection: The VCC pin of the 74HCT245DTR2G should be connected to a 5V power source, ensuring it operates within its specified voltage range, while the GND pin must be connected to the system's ground.

- Directional Control: Connect the DIR pin to a GPIO pin on the microcontroller. This allows the system's software to control the direction of data flow through the 74HCT245DTR2G, either from the microcontroller to external devices or vice versa.

- Output Enable: The OE pin should also be connected to a GPIO pin on the microcontroller. Activating this pin (driving it low) enables the outputs of the 74HCT245DTR2G, while deactivating it (driving it high) puts the outputs in a high-impedance state, disconnecting the transceiver from the data bus.

- Bidirectional Data Lines: The A side pins (A0-A7) should be connected to the microcontroller's data pins, and the B side pins (B0-B7) to the external device's or another microcontroller's data pins. This setup enables data to be transferred in both directions, depending on the DIR pin's state.

- Decoupling Capacitor: It's recommended to place a decoupling capacitor (e.g., 100nF) near the VCC and GND pins to reduce noise on the power supply line, ensuring stable operation of the 74HCT245DTR2G.

Design Considerations:

1. Logic Level Compatibility: Verify the compatibility of logic levels between the microcontroller, the 74HCT245DTR2G, and external devices to ensure error-free data communication.

2. Managing Bus Contention: Properly control the OE pin to avoid bus contention. Make sure only one device is driving the bus at any time to prevent damage and ensure reliable operation.

3. Signal Integrity: For high-speed data transmission or in noisy environments, consider the length and routing of data lines to minimize signal degradation. Implementing proper PCB design practices can help preserve signal integrity.

4. Thermal Management: Although the 74HCT245DTR2G does not typically generate significant heat, considering thermal aspects in densely populated or high-power PCB designs is crucial for maintaining overall system reliability.

Integrating the 74HCT245DTR2G into a microcontroller-based system for I/O expansion or interfacing with external devices can significantly enhance the system's versatility and capability to communicate across different logic levels, ensuring smooth and efficient data exchange in various digital applications.

74HCT245DTR2G FAQ

1. How to order 74HCT245DTR2G on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that 74HCT245DTR2G is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 74HCT245DTR2G. All suppliers must pass our qualification reviews before they can publish their products including 74HCT245DTR2G on icwhale.com; we pay more attention to the channels and quality of 74HCT245DTR2G products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the 74HCT245DTR2G price and inventory displayed accurate?

The price and inventory of 74HCT245DTR2G fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of 74HCT245DTR2G?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 74HCT245DTR2G we delivered, we will accept the replacement or return of the 74HCT245DTR2G only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 74HCT245DTR2G.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations