Features and benefits
- Balanced propagation delays
- All inputs have Schmitt-trigger action
- Inputs accept voltages higher than VCC
- Input levels:
- For 74AHC126: CMOS level
- For 74AHCT126: TTL level
- ESD protection:
- HBM JESD22-A114E exceeds 2000 V
- MM JESD22-A115-A exceeds 200 V
- CDM JESD22-C101C exceeds 1000 V
- Multiple package options
- Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Parametrics
| Type number | Product status | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74AHC126BQ | Production | 2.0 - 5.5 | CMOS | ± 8 | 60 | 4 | low | -40~125 | 103 | 71 | DHVQFN14 |
| 74AHC126D | Production | 2.0 - 5.5 | CMOS | ± 8 | 60 | 4 | low | -40~125 | 105 | 63 | SO14 |
| 74AHC126PW | Production | 2.0 - 5.5 | CMOS | ± 8 | 60 | 4 | low | -40~125 | 138 | 64.3 | TSSOP14 |
| 74AHCT126BQ | Production | 4.5 - 5.5 | TTL | ± 8 | 60 | 4 | low | -40~125 | 103 | 71 | DHVQFN14 |
| 74AHCT126D | Production | 4.5 - 5.5 | TTL | ± 8 | 60 | 4 | low | -40~125 | 105 | 63 | SO14 |
| 74AHCT126PW | Production | 4.5 - 5.5 | TTL | ± 8 | 60 | 4 | low | -40~125 | 138 | 64.3 | TSSOP14 |
Package
| Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| 74AHC126BQ |  DHVQFN14 (SOT762-1) | SOT762-1 | Reel 7” Q1/T1 or Q2/T3 | Active | AC126 | 74AHC126BQ,115 ( 9352 896 21115 ) | |
| 74AHC126D |  SO14 (SOT108-1) | SOT108-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 | Active | 74AHC126D | 74AHC126D,118 ( 9352 627 68118 ) |
| 74AHC126PW |  TSSOP14 (SOT402-1) | SOT402-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | AHC126 | 74AHC126PW,118 ( 9352 627 69118 ) |
| 74AHCT126BQ | DHVQFN14 (SOT762-1) | SOT762-1 | Reel 7” Q1/T1 or Q2/T3 | Active | AT126 | 74AHCT126BQ,115 ( 9352 896 22115 ) | |
| 74AHCT126D | SO14 (SOT108-1) | SOT108-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 | Active | 74AHCT126D | 74AHCT126D,118 ( 9352 627 66118 ) |
| 74AHCT126PW | TSSOP14 (SOT402-1) | SOT402-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | AHCT126 | 74AHCT126PW,118 ( 9352 627 67118 ) |
The variants in the table below are discontinued. See the table Discontinuation information for more information.
| Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| 74AHC126D | SO14 (SOT108-1) | SOT108-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | Bulk Pack | Withdrawn / End-of-life | 74AHC126D | 74AHC126D,112 ( 9352 627 68112 ) |
| 74AHCT126PW | TSSOP14 (SOT402-1) | SOT402-1 | SSOP-TSSOP-VSO-WAVE | Bulk Pack | Discontinued / End-of-life | AHCT126 | 74AHCT126PW,112 ( 9352 627 67112 ) |
Discontinuation information
| Type number | Orderable part number, (Ordering code (12NC)) | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
|---|---|---|---|---|---|---|
| 74AHC126D | 935262768112 | 2021-12-31 | 2022-06-30 | 74AHC126D | ||
| 74AHC126PW | 935262769112 | 2021-12-31 | 2022-06-30 | 74AHC126PW | ||
| 74AHCT126D | 935262766112 | 2018-12-31 | 2019-06-30 | 74AHCT126D | ||
| 74AHCT126PW | 935262767112 | 2021-12-31 | 2022-06-30 | 74AHCT126PW |
Quality, reliability & chemical content
| Type number | Orderable part number | Chemical content | RoHS / RHF | Leadfree conversion date | MSL | MSL leadfree |
|---|---|---|---|---|---|---|
| 74AHC126BQ | 74AHC126BQ,115 | 74AHC126BQ |   | Always Pb-free | 1 | 1 |
| 74AHC126D | 74AHC126D,118 | 74AHC126D | | week 32, 2004 | 1 | 1 |
| 74AHC126PW | 74AHC126PW,118 | 74AHC126PW | | week 10, 2005 | 1 | 1 |
| 74AHCT126BQ | 74AHCT126BQ,115 | 74AHCT126BQ | | Always Pb-free | 1 | 1 |
| 74AHCT126D | 74AHCT126D,118 | 74AHCT126D | | week 32, 2004 | 1 | 1 |
| 74AHCT126PW | 74AHCT126PW,118 | 74AHCT126PW | | week 10, 2005 | 1 | 1 |
The variants in the table below are discontinued. See the table Discontinuation information for more information.
| Type number | Orderable part number | Chemical content | RoHS / RHF | Leadfree conversion date | MSL | MSL leadfree |
|---|---|---|---|---|---|---|
| 74AHC126D | 74AHC126D,112 | 74AHC126D | | week 32, 2004 | 1 | 1 |
| 74AHCT126PW | 74AHCT126PW,112 | 74AHCT126PW | | week 10, 2005 | 1 | 1 |
Documentation (10)
| File name | Title | Type | Date |
|---|---|---|---|
| 74AHC_AHCT126 | Quad buffer/line driver; 3-state | Data sheet | 2020-04-28 |
| ahc126 | ahc126 IBIS model | IBIS model | 2013-04-07 |
| ahct126 | ahct126 IBIS model | IBIS model | 2013-04-07 |
| SOT762-1 | plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 14 terminals; 0.5 mm pitch; 3 mm x 2.5 mm x 1 mm body | Package information | 2021-08-17 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| SOT402-1 | plastic, thin shrink small outline package; 14 leads; 0.65 mm pitch; 5 mm x 4.4 mm x 1.1 mm body | Package information | 2020-04-21 |
| SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
| SOT108-1 | plastic, small outline package; 14 leads; 1.27 mm pitch; 8.65 mm x 3.9 mm x 1.75 mm body | Package information | 2021-01-06 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
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