Texas Instruments SN74ALS646NT Drivers, Receivers and Transceivers
Bi-directional, 3-state bus transceiver with integrated register functionality.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments SN74ALS646NT Drivers, Receivers and Transceivers technical specifications.
General
Alternate Parts Comparison (SN74ALS646NT vs SN74ALS03BDR vs SN74ALS133DR vs SN74ALS161BDR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | -- | 14-SOIC | 16-SOIC | 16-SOIC |
| Supply Voltage | -- | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5 V ~ 5.5 V |
| Logic Type | -- | NAND Gate | NAND Gate | Binary Counter |
| Action |
Texas Instruments SN74ALS646NT Drivers, Receivers and Transceivers Overview
Bi-directional, 3-state bus transceiver with integrated register functionality. This integrated circuit features 8 data channels and operates with positive-edge triggering and non-inverting polarity. The component is housed in a 24-pin Plastic Dual In Line Package (PDIP) designed for through-hole mounting, with a standard 2.54mm pin pitch.
Suitable for bipolar process technology, it offers a minimum operating temperature of 0°C and a maximum of 70°C.