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Texas Instruments SN74AHCT126QDRG4Q1 Microcontrollers

Automotive 4-ch, 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs and 3-state outputs 14-SOIC -40 to 125

250,000 ActiveTexas Instruments74AHCTSN74AHCT14-SOIC (0.154", 3.90mm Width)$0.57
SN74AHCT126QDRG4Q1 14-SOIC (0.154", 3.90mm Width) package illustration

Same model may have multiple batches, images only for reference.

SN74AHCT126QDRG4Q1
Manufacturer
Part Number (MPN)
SN74AHCT126QDRG4Q1
Series
Base Model
Detailed Description
Automotive 4-ch, 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs and 3-state outputs 14-SOIC -40 to 125
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
PDF SN74AHCT126QDRG4Q1 Datasheet
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Ordering Code Family

SN74AHCT groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

225 ordering variants listed on the family page.

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Technical Specifications

Texas Instruments SN74AHCT126QDRG4Q1 Microcontrollers technical specifications.

General

Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TA)
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Active
Output Type
3-State
Number of Elements
4
Logic Type
Buffer, Non-Inverting
Number of Bits Per Element
1
Current Output High Low
8mA, 8mA

Alternate Parts Comparison (SN74AHCT126QDRG4Q1 vs SN74AHCT14QDRG4Q1 vs SN74AHCT00DRE4 vs SN74AHCT02RGYR)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case14-SOICSOIC14-SOIC14-VFQFN Exposed Pad
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 125°C (TA)-40°C ~ 125°C-40°C ~ 85°C-40°C ~ 85°C
Supply Voltage4.5V ~ 5.5V5 V4.5V ~ 5.5V4.5V ~ 5.5V
Current Output High Low8mA, 8mA8mA, 8mA8mA, 8mA8mA, 8mA
Logic TypeBuffer, Non-InvertingInverterNAND GateNOR Gate
Lifecycle StatusActiveActive--Active
Current Quiescent Max--2 µA2 µA2 µA
Max Propagation Delay V Max Cl--8ns @ 5V, 50pF7.9ns @ 5V, 50pF7.5ns @ 5V, 50pF
Number of Circuits--644
Number of Inputs--122
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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