M74HC640B1 The M74HC640B1 is an 8-bit octal bus transceiver with 3-state outputs, designed for high-speed digital communication. It features inverting and non-inverting configurations and operates within 4.5V to 6V supply voltage.
Mfr Part #:

M74HC640B1

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The M74HC640B1 is an 8-bit octal bus transceiver with 3-state outputs, designed for high-speed digital communication. It features inverting and non-inverting configurations and operates within 4.5V to 6V supply voltage.
✓ Total Stock: 13 pcs
$ Price Range: $2.21

M74HC640B1 Available from 1 distributor

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M74HC640B1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Automotive Grade
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M74HC640B1 Description

Short technical summary and product information.

The ST M74HC640B1 is an 8-bit octal bus transceiver with 3-state outputs, suitable for high-speed digital data transfer applications. It supports inverting and non-inverting modes, with a typical propagation delay of 10 ns at VCC=5V. The device is housed in a PDIP20 package, making it suitable for through-hole mounting. Its CMOS technology ensures low power dissipation, with a maximum power consumption of 4 A. The device features high noise immunity with a minimum of 28% VCC, and it is compliant with RoHS3 standards, REACH unaffected, and has an MSL level of 1 Unlimited.

M74HC640B1 Quick Information

Product Type: Octal Bus Transceiver
Canonical Name: ST M74HC640B1 Octal Bus Transceiver

M74HC640B1 Compliance

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

M74HC640B1 Estimated Pricing

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1+ $2.21 $2.21

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

M74HC640B1 Features

  • 8-bit octal bus transceiver with 3-state outputs
  • Supports inverting and non-inverting modes
  • Typical propagation delay of 10 ns at 5V
  • CMOS technology for low power consumption
  • RoHS3 compliant and high noise immunity

M74HC640B1 Applications

  • Used in digital data transfer systems
  • Suitable for high-speed communication interfaces
  • Ideal for bus-oriented systems
  • Designed for PCB integration in electronic devices

M74HC640B1 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the M74HC640B1?

The device operates between 4.5V and 6V.

What is the typical propagation delay of the M74HC640B1?

The typical propagation delay is 10 nanoseconds at VCC=5V.

Is the M74HC640B1 RoHS compliant?

Yes, it is RoHS3 compliant.

What package type does the M74HC640B1 come in?

It comes in a PDIP20 package.

What is the maximum power dissipation of the M74HC640B1?

The maximum power dissipation is 4 A.

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