Texas Instruments SN74HC126DR Microcontrollers
4-Ch 3-State Buffer IC, 2-6V, 4-Bit, SOIC, CMOS
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74HC126DR
Series
Base Model
Detailed Description
4-Ch 3-State Buffer IC, 2-6V, 4-Bit, SOIC, CMOS
Package
14-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
SN74HC126DR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74HC126DR Microcontrollers technical specifications.
General
Package / Case
14-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2V ~ 6V
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
7.8mA, 7.8mA
Alternate Parts Comparison (SN74HC126DR vs SN74HC4851DR vs SN74HC4851QDRG4Q1 vs SN74HC139QDRG4Q1)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 14-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C |
| Supply Voltage | 2V ~ 6V | -- | -- | 2V ~ 6V |
| Current Output High Low | 7.8mA, 7.8mA | -- | -- | 5.2mA, 5.2mA |
| Logic Type | Buffer, Non-Inverting | -- | -- | -- |
| Number of Bits Per Element | 1 | -- | -- | -- |
| Number of Elements | 4 | -- | -- | -- |
| Output Type | 3-State | -- | -- | -- |
| Channel Capacitance Cs Off Cd Off | -- | 22pF | 22pF | -- |
| Channel to Channel Matching Ron | -- | 3Ohm | 3Ohm | -- |
| Current Leakage Is Off Max | -- | 200nA | 200nA | -- |
| 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
MC74HC126ADR2GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Quad 3-State Buffer IC, 4-Ch, CMOS, SOIC-14
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