SN74AS1004AD Equivalent & Substitute Parts

Part Overview

The SN74AS1004AD is a 6-channel inverter logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This component is classified as Last Time Buy, indicating discontinued production with limited availability. The SN74AS1004AD operates within the 74AS logic family and provides standard inverter functionality for digital signal processing applications. Identifying equivalent substitute parts is necessary due to inventory constraints and the Last Time Buy status of the original component.

Substiute Parts

SN74AS1004AD
Texas InstrumentsIn Stock: 2529SN74AS1004AD Datasheet
SN74AS1004AD
Current Part
SN74AS1004ADR
Texas InstrumentsIn Stock: 7262SN74AS1004ADR Datasheet
SN74AS1004ADR
MFR Recommended

Key Parameters

Parameter Value
Logic Type Inverter
Number of Circuits 6
Number of Inputs 1
Voltage - Supply 4.5V ~ 5.5V
Current - Output High, Low 48mA, 48mA
Input Logic Level - Low 0.8V
Input Logic Level - High 2V
Max Propagation Delay @ V, Max CL 4ns @ 5V, 50pF
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74AS1004AD is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical areas:

  • Logic type and circuit configuration (6-channel inverter, 1 input per channel)
  • Electrical characteristics (supply voltage range, output current, input logic levels, propagation delay)
  • Physical packaging (14-SOIC form factor with matching dimensions)
  • Compliance certifications (RoHS3, REACH status)
  • Moisture sensitivity rating

The SN74AS1004ADR qualifies as a direct substitute based on complete parameter alignment across all specified criteria.

Parameter Comparison

Parameter SN74AS1004AD (Main Part) SN74AS1004ADR (Substitute)
Manufacturer Texas Instruments Texas Instruments
Logic Type Inverter Inverter
Number of Circuits 6 6
Number of Inputs 1 1
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V
Current - Output High, Low 48mA, 48mA 48mA, 48mA
Input Logic Level - Low 0.8V 0.8V
Input Logic Level - High 2V 2V
Max Propagation Delay @ V, Max CL 4ns @ 5V, 50pF 4ns @ 5V, 50pF
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Product Status Last Time Buy Active
Packaging Format Tube Tape & Reel (TR)

Engineering Selection Recommendations

The SN74AS1004ADR is the direct equivalent substitute for the SN74AS1004AD. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical specifications. The primary distinction is product status and packaging format: the SN74AS1004AD is Last Time Buy with tube packaging, while the SN74AS1004ADR maintains Active status with tape and reel packaging.

Selection of the SN74AS1004ADR is supported by:

  • Complete electrical parameter equivalence across all specified criteria
  • Identical 14-SOIC package dimensions and pin configuration
  • Matching RoHS3 compliance and REACH status
  • Active product status ensuring continued availability
  • Tape and reel packaging suitable for automated assembly processes

Frequently Asked Questions (FAQ)

Q: Can the SN74AS1004ADR directly replace the SN74AS1004AD in existing designs?

A: Yes. The SN74AS1004ADR is electrically and mechanically equivalent to the SN74AS1004AD. All electrical parameters, pin configurations, and package dimensions are identical. Direct substitution is supported without design modifications.

Q: What is the difference between tube and tape & reel packaging?

A: Tube packaging (SN74AS1004AD) is suitable for manual handling and small-quantity applications. Tape and reel packaging (SN74AS1004ADR) is optimized for automated pick-and-place assembly processes and high-volume production. Both formats contain the same component with identical specifications.

Q: Why is the SN74AS1004AD marked as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of this part number. The SN74AS1004ADR, with Active status, represents the current production equivalent and is recommended for new designs and ongoing procurement.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts maintain identical RoHS3 compliance, REACH status, and moisture sensitivity ratings. Compliance certifications are equivalent across both part numbers.

Q: What inventory considerations apply to these substitutes?

A: The SN74AS1004AD has limited inventory (2,438 pcs) due to Last Time Buy status. The SN74AS1004ADR maintains higher inventory availability (7,208 pcs) with Active product status, making it the preferred choice for ongoing procurement requirements.

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