SN74ABT244APWRG4
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Texas Instruments SN74ABT244APWRG4

Manufacturer No:
SN74ABT244APWRG4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC BUF NON-INVERT 5.5V 20TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The SN74ABT244APWRG4 is a 20-pin TSSOP package version of the SN74ABT244A, a dual 4-bit buffer/line driver produced by Texas Instruments. This device is designed to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. It is part of a family of devices that offer various combinations of inverting and noninverting outputs, symmetrical active-low output-enable (OE) inputs, and complementary OE and OE inputs.

The SN74ABT244A is characterized for operation from −40°C to 85°C, making it suitable for a wide range of applications. Although the SN74ABT244A itself is not obsolete, users should note that some package options may be discontinued or have specific status updates.

Key Specifications

Parameter Unit Min Typ Max
Supply Voltage (VCC) V 4.5 5.5
High-Level Input Voltage (VIH) V 2 2
Low-Level Input Voltage (VIL) V 0.8 0.8
High-Level Output Current (IOH) mA -24 -32
Low-Level Output Current (IOL) mA 48 64
Operating Free-Air Temperature (TA) °C -40 85
Input Transition Rise or Fall Rate ns/V 5 5
Propagation Delay Time (tPLH, tPHL) ns 1 2.6-4.1 4.6
Output Enable Time (tPZH, tPZL) ns 1.1 3.1-4.1 5.6

Key Features

  • Dual 4-bit buffers/line drivers with separate output-enable (OE) inputs.
  • 3-state outputs for bus-oriented applications.
  • Symmetrical active-low OE inputs.
  • Complementary OE and OE inputs.
  • High-impedance state during power-up or power-down when OE is tied to VCC through a pull-up resistor.
  • Operating temperature range from −40°C to 85°C.
  • Available in TSSOP (20-pin) package.
  • Pb-Free (RoHS & no Sb/Br) compliant.

Applications

  • Memory address drivers.
  • Clock drivers.
  • Bus-oriented receivers and transmitters.
  • General-purpose logic applications requiring 3-state outputs.
  • Systems requiring high-speed data transfer and low power consumption.

Q & A

  1. What is the operating temperature range of the SN74ABT244A?

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

  2. What is the supply voltage range for the SN74ABT244A?

    The supply voltage range is from 4.5 V to 5.5 V.

  3. What is the high-level output current (IOH) of the SN74ABT244A?

    The high-level output current (IOH) is -24 mA to -32 mA.

  4. How do I ensure the high-impedance state during power-up or power-down?

    Tie the OE input to VCC through a pull-up resistor.

  5. What are the typical propagation delay times for the SN74ABT244A?

    The typical propagation delay times (tPLH, tPHL) are 2.6 ns to 4.1 ns.

  6. Is the SN74ABT244APWRG4 Pb-Free and RoHS compliant?
  7. What package options are available for the SN74ABT244A?

    Available in TSSOP (20-pin), SSOP, SOIC, PDIP, and SO packages.

  8. What is the input transition rise or fall rate for the SN74ABT244A?

    The input transition rise or fall rate is 5 ns/V.

  9. Can unused inputs be left floating?

    No, unused inputs must be held high or low to prevent them from floating.

  10. What is the maximum current into any output in the low state for the SN74ABT244A?

    The maximum current into any output in the low state is 128 mA.

Product Attributes

Logic Type:Buffer, Non-Inverting
Number of Elements:2
Number of Bits per Element:4
Input Type:- 
Output Type:3-State
Current - Output High, Low:32mA, 64mA
Voltage - Supply:4.5V ~ 5.5V
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:20-TSSOP
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Similar Products

Part Number SN74ABT244APWRG4 SN74ABT244ADWRG4 SN74ABT244APWG4 SN74ABT244APWRE4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key
Logic Type Buffer, Non-Inverting Buffer, Non-Inverting Buffer, Non-Inverting Buffer, Non-Inverting
Number of Elements 2 2 2 2
Number of Bits per Element 4 4 4 4
Input Type - - - -
Output Type 3-State 3-State 3-State 3-State
Current - Output High, Low 32mA, 64mA 32mA, 64mA 32mA, 64mA 32mA, 64mA
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature -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
Package / Case 20-TSSOP (0.173", 4.40mm Width) 20-SOIC (0.295", 7.50mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP 20-SOIC 20-TSSOP 20-TSSOP

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