What are the key applications for the 74HC245?

It is commonly used in microprocessor systems for data bus buffering, level shifting, and bidirectional data flow control.

What should engineers review before using the 74HC245?

Ensure the DIR (direction) and OE (output enable) control signals are correctly managed to prevent high-impedance states or bus conflicts.

What are the key specifications of the 74HC245?

It supports a 2.0V to 6.0V supply range, features 3-state outputs, and operates across a temperature range of -40°C to +125°C.

What is the sourcing status of the 74HC245?

The device is currently active and widely available from major distributors, with no significant supply chain risks reported.

What is the pinout of 74HC245PW,118?

Use the 74HC245PW,118 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 74HC245PW,118 pinout to locate pins, power rails, and interface signals before layout.

74HC245PW,118 Datasheet, Specs, Alternatives & ECAD | nexperia

AI summary

The 74HC245 is a high-performance 8-bit octal bus transceiver with 3-state outputs, ideal for bidirectional data transfer in CMOS and TTL-compatible systems.

Best for

Bidirectional bus communication
Microprocessor data bus buffering

Avoid if

Applications requiring high-current drive beyond 7.8mA

Check before use

Logic level compatibility (CMOS vs TTL)

Key specifications

Supply Voltage: 2.0V to 6.0V
Output Current: ±7.8mA
Operating Temp: -40°C to +125°C
Package: 20-TSSOP

Compliance & Environment

RoHS: Y

Application

IndustrialGeneral Logic

Datasheet

NXP-Semiconductors-company-13.pdf

800 KB

Datasheet AI

CAD Models

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Where to Buy

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Alternative components

Part	Details	Match
74HCT245PW,118Nexperia USA Inc.	A functional alternative in the same package, but with a different logic family (HCT) requiring voltage and input level review.	Needs validation

Design and risk insights

Questions & answers

It is an 8-bit octal bus transceiver with 3-state outputs, designed for bidirectional data communication between two buses.

74LVC245APW,118Nexperia USA Inc.	A functional alternative for low-voltage systems (2.0-3.6V), but not a replacement for 5V applications.	Needs validation
74AHCT245PW,118Nexperia USA Inc.	A faster functional alternative in the same package, but with a different logic family requiring review of voltage, input levels, and timing.	Needs validation

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the 74HC245?+×

What are the key applications for the 74HC245?+×

What should engineers review before using the 74HC245?+×

What are the key specifications of the 74HC245?+×

What is the sourcing status of the 74HC245?+×

What is the pinout of 74HC245PW,118?+×