Texas Instruments SN74ALS666DW Buffers, Drivers, Receivers and Transceivers
Octal D-Type Transparent Read-Back Latches with 3-State Outputs, featuring 8 independent circuits for 8-bit data storage.

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Technical Specifications
Texas Instruments SN74ALS666DW Buffers, Drivers, Receivers and Transceivers technical specifications.
General
Alternate Parts Comparison (SN74ALS666DW 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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5 V ~ 5.5 V |
| Number of Circuits | 8 | 4 | 1 | -- |
| Package / Case | -- | 14-SOIC | 16-SOIC | 16-SOIC |
| Logic Type | -- | NAND Gate | NAND Gate | Binary Counter |
| Action |
Texas Instruments SN74ALS666DW Buffers, Drivers, Receivers and Transceivers Overview
Octal D-Type Transparent Read-Back Latches with 3-State Outputs, featuring 8 independent circuits for 8-bit data storage. This surface-mount device operates from a 4.5V to 5.5V supply, with a typical 5V operating voltage. It offers a high-level output current of -2.6mA and a low-level output current of 24mA.
The latch provides non-inverting logic with a propagation delay of 32ns and a turn-on delay time of 6ns. Packaged in a 24-SOIC, this RoHS-compliant component is designed for operation bet...