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| PartNumber | SN74ALS166DBR | SN74ALS166D | SN74ALS166DB |
| Description | Counter Shift Registers 8bit Prll Load Shift | Counter Shift Registers Parallel-Ld 8 Bit Ser Shift Register | IC PAR-LOAD SHIFT REGIST 16-SSOP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter Shift Registers | Counter Shift Registers | - |
| RoHS | Y | Y | - |
| Counting Sequence | Serial/Parallel to Serial | Serial/Parallel to Serial | - |
| Number of Circuits | 1 | 1 | - |
| Number of Bits | 8 bit | 8 bit | - |
| Package / Case | SSOP-16 | SOP-16 | - |
| Logic Family | 74ALS | 74AL | - |
| Logic Type | Bipolar | Bipolar | - |
| Number of Input Lines | 5 / 3 | 5 / 3 | - |
| Propagation Delay Time | 13 ns | 13 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Reel | Tube | - |
| Function | 8 Bit Parallel Load Shift | Shift Register | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Series | SN74ALS166 | SN74ALS166 | - |
| Width | 5.3 mm | 3.91 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Output Lines | 3 | 3 | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Product Type | Counter Shift Registers | Counter Shift Registers | - |
| Factory Pack Quantity | 2000 | 40 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.004536 oz | 0.004998 oz | - |