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| PartNumber | SN74LV166ADBR | SN74LV166AD | SN74LV166ADB |
| Description | Counter Shift Registers 8-Bit Parallel Load | Counter Shift Registers 8-Bit Parallel-Load Shift Register | |
| 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 | 8 | 8 | - |
| Number of Bits | 8 bit | 8 bit | - |
| Package / Case | SSOP-16 | SOP-16 | - |
| Logic Family | 74LV | 74LV | - |
| Logic Type | CMOS | CMOS | - |
| Number of Input Lines | 5 / 2 | 5 / 2 | - |
| Propagation Delay Time | 23.3 ns, 18.9 ns, 11.9 ns | 23.3 ns, 18.9 ns, 11.9 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Tube | - |
| Function | 8 Bit Parallel Load Shift Register | Shift Register | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Series | SN74LV166A | SN74LV166A | - |
| Width | 5.3 mm | 3.91 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Output Lines | 2 | 2 | - |
| Operating Supply Voltage | 2 V to 5.5 V | 2 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 | - |