74AC240SCX
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onsemi 74AC240SCX

Manufacturer No:
74AC240SCX
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC BUFFER INVERT 6V 20SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The 74AC240SCX, produced by onsemi, is an octal buffer and line driver designed to enhance PC board density. This component is part of the 74AC/74ACT series and is suitable for various applications such as memory address drivers, clock drivers, and bus-oriented transmitters or receivers. It features 3-state outputs, which can drive bus lines or buffer memory address registers, making it versatile for different digital logic circuits.

Key Specifications

Parameter Min Typ Max Unit
VCC Supply Voltage 2.0 - 5.5 V
VI Input Voltage 0 - VCC V
VO Output Voltage 0 - VCC V
TA Operating Temperature -40 - 85 °C
VIH Minimum High Level Input Voltage 1.5 2.0 2.0 V
VIL Maximum Low Level Input Voltage - 0.8 0.8 V
VOH Minimum High Level Output Voltage 4.4 4.49 - V
VOL Maximum Low Level Output Voltage 0.1 0.1 - V
IOH Output Current - High -24 - - mA
IOL Output Current - Low 24 - - mA
ICC Maximum Quiescent Supply Current - - 80 μA
tPLH Propagation Delay 1.5 - 8.0 ns
tPHL Propagation Delay 1.5 - 8.0 ns
CPD Power Dissipation Capacitance - - 45.0 pF

Key Features

  • 3-State Outputs: Drive bus lines or buffer memory address registers.
  • High Output Drive: Outputs source/sink up to 24 mA.
  • TTL-Compatible Inputs: The 74ACT240 version has TTL-compatible inputs.
  • Reduced Power Consumption: ICC and IOZ reduced by 50% compared to previous models.
  • Pb-Free Devices: Compliant with JEDEC J-STD-020B standard.
  • SCR-Latch-up-resistant CMOS Process: Ensures reliability and stability in operation.
  • Balanced Propagation Delays: Provides consistent timing in digital circuits.

Applications

  • Memory Address Drivers: Ideal for driving memory address lines.
  • Clock Drivers: Suitable for clock signal distribution in digital systems.
  • Bus-Oriented Transmitters/Receivers: Used in bus communication systems to drive or receive data.
  • General Digital Logic Circuits: Can be used in various digital logic applications requiring high drive capability and 3-state outputs.

Q & A

  1. What is the primary function of the 74AC240SCX?

    The primary function of the 74AC240SCX is to act as an octal buffer and line driver, suitable for applications such as memory address drivers, clock drivers, and bus-oriented transmitters or receivers.

  2. What is the operating voltage range of the 74AC240SCX?

    The operating voltage range of the 74AC240SCX is from 2.0 V to 5.5 V.

  3. What is the maximum output current of the 74AC240SCX?

    The 74AC240SCX can source or sink up to 24 mA of output current.

  4. Is the 74AC240SCX Pb-free?
  5. What are the propagation delays for the 74AC240SCX?

    The propagation delays (tPLH and tPHL) range from 1.5 ns to 8.0 ns.

  6. What are the key features of the 74ACT240 version?

    The 74ACT240 version has TTL-compatible inputs and reduced power consumption.

  7. What is the operating temperature range of the 74AC240SCX?

    The operating temperature range is from -40°C to 85°C.

  8. What is the power dissipation capacitance of the 74AC240SCX?

    The power dissipation capacitance (CPD) is 45.0 pF.

  9. Can the 74AC240SCX drive 50 ohm transmission lines?
  10. What package types are available for the 74AC240SCX?

    The 74AC240SCX is available in SOIC-20W and TSSOP-20 packages.

Product Attributes

Logic Type:Buffer, Inverting
Number of Elements:2
Number of Bits per Element:4
Input Type:- 
Output Type:3-State
Current - Output High, Low:24mA, 24mA
Voltage - Supply:2V ~ 6V
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 74AC240SCX 74AC240SJX 74ACQ240SCX 74AC245SCX 74AC540SCX 74AC244SCX 74AC241SCX 74AC240SC
Manufacturer onsemi Fairchild Semiconductor Fairchild Semiconductor onsemi onsemi onsemi onsemi onsemi
Product Status Active Active Obsolete Active Active Active Obsolete Obsolete
Logic Type Buffer, Inverting Buffer, Inverting Buffer, Inverting Transceiver, Non-Inverting Buffer, Inverting Buffer, Non-Inverting Buffer, Non-Inverting Buffer, Inverting
Number of Elements 2 2 2 1 1 2 2 2
Number of Bits per Element 4 4 4 8 8 4 4 4
Input Type - - - - - - - -
Output Type 3-State 3-State 3-State 3-State 3-State 3-State 3-State 3-State
Current - Output High, Low 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA
Voltage - Supply 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.209", 5.30mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC 20-SOP 20-SOIC 20-SOIC 20-SOIC 20-SOIC 20-SOIC 20-SOIC

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