MC74VHC245DWG
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onsemi MC74VHC245DWG

Manufacturer No:
MC74VHC245DWG
Manufacturer:
onsemi
Package:
Tube
Description:
IC TXRX NON-INVERT 5.5V 20SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MC74VHC245DWG is an advanced high-speed CMOS octal bus buffer/transceiver manufactured by onsemi. It is designed for two-way asynchronous communication between data buses and is fabricated with silicon gate CMOS technology. This device achieves high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining the low power dissipation characteristic of CMOS technology. The direction of data transmission is controlled by the DIR input, and the output enable pin (OE) allows the device to be disabled, effectively isolating the buses.

Key Specifications

Parameter Min Typ Max Unit
VCC (Supply Voltage) 2 - 5.5 V
VIH (Minimum High-Level Input Voltage) - - 5.5 V
VIL (Maximum Low-Level Input Voltage) 0 - 1.5 V
tPD (Propagation Delay) - 4.0 - ns
ICC (Quiescent Current) - - 4 μA
CPD (Power Dissipation Capacitance) - 21 - pF
VOLP (Quiet Output Maximum Dynamic) - 0.9 1.2 V
Operating Temperature Range -40 - 85 °C

Key Features

  • High Speed Operation: Achieves propagation delays as low as 4.0 ns at VCC = 5 V.
  • Low Power Dissipation: Quiescent current of 4 μA (max) at TA = 25°C.
  • High Noise Immunity: VNIH = VNIL = 28% VCC.
  • Power Down Protection: Provided on inputs.
  • Balanced Propagation Delays.
  • Designed for 2 V to 5.5 V Operating Range.
  • Low Noise: VOLP = 1.2 V (max).
  • Pin and Function Compatible with Other Standard Logic Families.
  • Latchup Performance Exceeds 300 mA.
  • ESD Performance: HBM > 2000 V; Machine Model > 200 V.
  • Pb-Free and RoHS Compliant.

Applications

The MC74VHC245DWG is suitable for various applications requiring high-speed data transmission and low power consumption. These include:

  • Automotive Systems: For high-speed data communication in automotive environments.
  • Communications: In telecommunications and networking equipment.
  • Computing: For high-speed data transfer in computing systems.
  • Industrial Control Systems: Where reliable and fast data transmission is critical.
  • Consumer Electronics: In devices requiring low power and high-speed data handling.

Q & A

  1. What is the primary function of the MC74VHC245DWG?

    The MC74VHC245DWG is an octal bus buffer/transceiver designed for two-way asynchronous communication between data buses.

  2. What is the typical propagation delay of the MC74VHC245DWG at VCC = 5 V?

    The typical propagation delay is 4.0 ns at VCC = 5 V.

  3. What is the operating voltage range of the MC74VHC245DWG?

    The device operates within a voltage range of 2 V to 5.5 V.

  4. How is the direction of data transmission controlled in the MC74VHC245DWG?

    The direction of data transmission is controlled by the DIR input.

  5. What is the purpose of the OE (Output Enable) pin?

    The OE pin can be used to disable the device, effectively isolating the buses.

  6. Is the MC74VHC245DWG protected against static discharge?

    Yes, all inputs are equipped with protection circuits against static discharge.

  7. What are the package options available for the MC74VHC245DWG?

    The device is available in SOIC-20 and TSSOP-20 packages.

  8. Is the MC74VHC245DWG RoHS compliant?

    Yes, the device is Pb-Free and RoHS compliant.

  9. What is the maximum latchup performance of the MC74VHC245DWG?

    The latchup performance exceeds 300 mA.

  10. What are the ESD performance ratings of the MC74VHC245DWG?

    The ESD performance ratings are HBM > 2000 V and Machine Model > 200 V.

Product Attributes

Logic Type:Transceiver, Non-Inverting
Number of Elements:1
Number of Bits per Element:8
Input Type:- 
Output Type:3-State
Current - Output High, Low:8mA, 8mA
Voltage - Supply:2V ~ 5.5V
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:20-SOIC
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Similar Products

Part Number MC74VHC245DWG MC74VHC245DTG MC74VHC245DW
Manufacturer onsemi onsemi onsemi
Product Status Active Obsolete Obsolete
Logic Type Transceiver, Non-Inverting Transceiver, Non-Inverting Transceiver, Non-Inverting
Number of Elements 1 1 1
Number of Bits per Element 8 8 8
Input Type - - -
Output Type 3-State 3-State 3-State
Current - Output High, Low 8mA, 8mA 8mA, 8mA 8mA, 8mA
Voltage - Supply 2V ~ 5.5V 2V ~ 5.5V 2V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC 20-TSSOP 20-SOIC

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