| PartNumber | CD74HCT166EE4 | CD74HCT166E | CD74HCT166EG4 |
| Description | Counter Shift Registers High Speed CMOS 8-Bit Shift Register | Counter Shift Registers 8-Bit Prl-In Srl-Out | IC 8-BIT PAR/SER SHIFT REG 16DIP |
| 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 | PDIP-16 | PDIP-16 | - |
| Logic Family | HCT | 74HCT | - |
| Logic Type | CMOS | CMOS | - |
| Number of Input Lines | 9 | 9 | - |
| Propagation Delay Time | 40 ns | 40 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Tube | Tube | - |
| Function | Shift Register | 8 Bit Parallel In Serial Out | - |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Series | CD74HCT166 | CD74HCT166 | - |
| Width | 6.35 mm | 6.35 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | Through Hole | Through Hole | - |
| Number of Output Lines | 1 | 1 | - |
| Product Type | Counter Shift Registers | Counter Shift Registers | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.033570 oz | 0.033570 oz | - |
| Operating Supply Voltage | - | 4.5 V to 5.5 V | - |