M74HC298B1R The STMicroelectronics M74HC298B1R is a high-speed CMOS Quad 2 Channel Multiplexer/Register. It operates over a wide voltage range and features low power dissipation.
Mfr Part #:

M74HC298B1R

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics M74HC298B1R is a high-speed CMOS Quad 2 Channel Multiplexer/Register. It operates over a wide voltage range and features low power dissipation.
✓ Total Stock: 2,230 pcs
$ Price Range: $1.27

M74HC298B1R Available from 1 distributor

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✓ Non-Authorised
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2,230 pcs
2230 pcs On Request 1 On Request On Request 21 On Request On Request

M74HC298B1R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Circuit
Current
Independent Circuits
Lead Spacing
Mounting Type
Operating Temperature
SVHC Present
Supplier Device Package
Supplier Package
Type
Voltage
Voltage Supply Source

M74HC298B1R Description

Short technical summary and product information.

The M74HC298B1R from STMicroelectronics is a high-speed CMOS Quad 2 Channel Multiplexer/Register fabricated with silicon gate C2MOS technology. This device is controlled by WORD SELECT and CLOCK signals, allowing selection between two input words for each of the four multiplexer channels.

 

Key electrical characteristics include a high operating frequency of up to 79 MHz at 6V, low power dissipation with a typical quiescent current of 4μA at 25°C, and high noise immunity. The device supports a wide operating voltage range from 2V to 6V and offers symmetrical output impedance with a minimum current of 4mA.

 

Designed for through-hole mounting, the M74HC298B1R comes in a 16-DIP package. Its inputs are equipped with protection circuits against static discharge and transient excess voltage, making it suitable for various digital logic applications requiring multiplexing functionality.

M74HC298B1R Quick Information

Product Type: Multiplexer
Series: M74HC
Canonical Name: M74HC298 Quad 2 Channel Multiplexer/Register
Subcategory: Multiplexer

M74HC298B1R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

M74HC298B1R Estimated Pricing

Qty Low High
1+ $1.27 $1.27

Estimated market price range - modelled values for guidance only, not live distributor offers.

M74HC298B1R Features

  • High speed up to 79 MHz typical
  • Low power dissipation of 4μA maximum
  • Wide operating voltage range 2V to 6V
  • Through hole mounting in 16-DIP package
  • Pin compatible with 74 Series 298

M74HC298B1R Applications

  • Used in data routing and selection circuits.
  • Ideal for low-power portable logic designs.
  • Suitable for signal multiplexing in control systems.
  • Applied in general-purpose digital logic switching.

M74HC298B1R FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the M74HC298B1R?

The operating voltage range is 2V to 6V.

What is the operating temperature range of the M74HC298B1R?

The operating temperature range is -55°C to 125°C.

What package does the M74HC298B1R come in?

The M74HC298B1R is available in a 16-DIP (0.300", 7.62mm) through-hole package.

What is the typical maximum frequency of the M74HC298B1R?

The typical maximum frequency is 79 MHz at VCC = 6V.

What is the quiescent current of the M74HC298B1R?

The maximum quiescent current is 4 µA at TA = 25°C.

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