Texas Instruments SN74ALS166DBRG4 Shift Registers
8-bit right parallel in serial out shift register, featuring true output.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments SN74ALS166DBRG4 Shift Registers technical specifications.
General
Alternate Parts Comparison (SN74ALS166DBRG4 vs SN74ALS153DR vs SN74ALS156DR vs SN74ALS03BDR)
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 | 4.5V ~ 5.5V |
| Package / Case | -- | 16-SOIC | 16-SOIC | 14-SOIC |
| Current Output High Low | -- | 2.6mA, 24mA | 100µA, 8mA | -, 8mA |
| Action |
Texas Instruments SN74ALS166DBRG4 Shift Registers Overview
8-bit right parallel in serial out shift register, featuring true output. This unidirectional logic IC operates with a 5V supply voltage, within a 4.5V to 5.5V range, and supports a maximum operating temperature of 70°C. The component is surface mountable in a 16-pin SSOP package, with a propagation delay of 13ns and a turn-on delay time of 14ns.
It includes 9 input lines and 1 output line, with a single circuit containing 8 bits per element.