SN74ABT573ADWR
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Texas Instruments SN74ABT573ADWR

Manufacturer No:
SN74ABT573ADWR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC OCT TRANSP D-TYP LATCH 20SOIC
Delivery:
Payment:
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Product Introduction

Overview

The SN74ABT573ADWR is an 8-bit transparent D-type latch with 3-state outputs, manufactured by Texas Instruments. This device is designed to drive highly capacitive or relatively low-impedance loads, making it suitable for various applications such as buffer registers, I/O ports, bidirectional bus drivers, and working registers. The latch-enable (LE) input allows the outputs to follow the data (D) inputs when high, and latch the outputs at the logic levels set up at the D inputs when low. The output-enable (OE) input can place the outputs in either a normal logic state or a high-impedance state, which is particularly useful for bus line management without the need for interface or pullup components.

Key Specifications

ParameterValueUnit
Supply Voltage Range4.5 to 5.5V
Operating Temperature Range-40 to 85°C
High-Level Input Voltage2V
Low-Level Input Voltage0.8V
High-Level Output Current-32mA
Low-Level Output Current64mA
Input Transition Rise or Fall Rate5ns/V
Package TypeSOIC (DW)
Pins20

Key Features

  • 3-state outputs designed for driving highly capacitive or low-impedance loads.
  • High-drive outputs with 32-mA IOH and 64-mA IOL.
  • Supports partial-power-down mode operation using Ioff circuitry.
  • Latch-up performance exceeds 500 mA per JEDEC Standard JESD 17.
  • ESD protection exceeds JESD 22, with 2000-V Human-Body Model and 200-V Machine Model.
  • Buffered output-enable (OE) input for high-impedance state control.

Applications

  • Buffer registers
  • I/O ports
  • Bidirectional bus drivers
  • Working registers

Q & A

  1. What is the primary function of the SN74ABT573ADWR? The SN74ABT573ADWR is an 8-bit transparent D-type latch with 3-state outputs, designed for driving highly capacitive or low-impedance loads.
  2. What is the operating temperature range of the SN74ABT573ADWR? The operating temperature range is -40°C to 85°C.
  3. What is the supply voltage range for the SN74ABT573ADWR? The supply voltage range is 4.5 V to 5.5 V.
  4. What is the purpose of the output-enable (OE) input? The OE input allows the outputs to be placed in either a normal logic state or a high-impedance state.
  5. Does the SN74ABT573ADWR support partial-power-down mode? Yes, it supports partial-power-down mode using Ioff circuitry.
  6. What is the maximum low-level output current of the SN74ABT573ADWR? The maximum low-level output current is 64 mA.
  7. What type of ESD protection does the SN74ABT573ADWR have? It has ESD protection exceeding JESD 22, with 2000-V Human-Body Model and 200-V Machine Model.
  8. What package types are available for the SN74ABT573ADWR? It is available in SOIC (DW), among other package types.
  9. How many pins does the SOIC (DW) package of the SN74ABT573ADWR have? The SOIC (DW) package has 20 pins.
  10. What are some common applications of the SN74ABT573ADWR? Common applications include buffer registers, I/O ports, bidirectional bus drivers, and working registers.

Product Attributes

Logic Type:D-Type Transparent Latch
Circuit:8:8
Output Type:Tri-State
Voltage - Supply:4.5V ~ 5.5V
Independent Circuits:1
Delay Time - Propagation:4ns
Current - Output High, Low:32mA, 64mA
Operating Temperature:-40°C ~ 85°C
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 SN74ABT573ADWR SN74ABT573DWR SN74ABT573APWR SN74ABT533ADWR SN74ABT573ADBR SN74ABT573ADW
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Obsolete Active Active
Logic Type D-Type Transparent Latch - D-Type Transparent Latch D-Type Transparent Latch D-Type Transparent Latch D-Type Transparent Latch
Circuit 8:8 - 8:8 8:8 8:8 8:8
Output Type Tri-State - Tri-State Tri-State Tri-State Tri-State
Voltage - Supply 4.5V ~ 5.5V - 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Independent Circuits 1 - 1 1 1 1
Delay Time - Propagation 4ns - 4ns 4.9ns 4ns 4ns
Current - Output High, Low 32mA, 64mA - 32mA, 64mA 32mA, 64mA 32mA, 64mA 32mA, 64mA
Operating Temperature -40°C ~ 85°C - -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount - Surface Mount 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) 20-SSOP (0.209", 5.30mm Width) 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC - 20-TSSOP 20-SOIC 20-SSOP 20-SOIC

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