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74AHC245PW

74AHC245PW

MPN: 74AHC245PW,118
Nexperia USA Inc.
Transceiver, Non-Inverting 1 Element 8 Bit per Element 3-State Output 20-TSSOP
Active13,465 in stock
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Overview

The 74AHC245PW is a high-speed CMOS octal bus transceiver designed for 8-bit asynchronous communication between data buses. It features 3-state outputs and a direction control pin that allows for seamless bi-directional data flow while maintaining low power consumption and high noise immunity.

Why Choose This Part

This transceiver offers a wide supply voltage range from 2V to 5.5V and features overvoltage tolerant inputs, which simplifies design in mixed-voltage systems. The 20-TSSOP package provides a compact footprint with high latch-up performance exceeding 100mA and robust ESD protection.

Applications

Bus Interfacing
Connecting 8-bit microprocessors to memory or peripheral devices to manage data flow on shared buses.
Level Shifting
Utilizing overvoltage tolerant inputs up to 5.5V to interface between different logic voltage domains.
Signal Buffering
Providing 8mA drive capability to maintain signal integrity over long PCB traces or backplanes.
I/O Isolation
Using the 3-state output mode to isolate sections of a circuit during low-power sleep states or debugging.

Key Specifications

Logic Type Transceiver, Non-Inverting
Output Type 3-State
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Voltage - Supply 2V ~ 5.5V
Number of Elements 1
Operating Temperature -40degC ~ 125degC (TA)
Supplier Device Package 20-TSSOP
Current - Output High, Low 8mA, 8mA
Number of Bits per Element 8

Getting Started

To use this device, connect the DIR pin to control the direction of data flow and the OE pin to enable or disable the 3-state outputs. Ensure decoupling capacitors are placed near the VCC pin to minimize switching noise in high-speed bus applications.

Also Consider

74LVC245APW Nexperia USA Inc. - Choose the LVC version if lower voltage operation down to 1.2V or higher output drive current is required.