| PartNumber | 74AC299SC | 74AC299PC | 74AC299MTC |
| Description | Counter Shift Registers 8-Inp Shift/Stor Reg | Counter Shift Registers 8-Inp Shift/Stor Reg | Counter Shift Registers 8-Inp Shift/Stor Reg |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Counter Shift Registers | Counter Shift Registers | Counter Shift Registers |
| RoHS | Y | Y | Y |
| Counting Sequence | Serial/Parallel to Serial/Parallel | Serial/Parallel to Serial/Parallel | Serial/Parallel to Serial/Parallel |
| Number of Circuits | 8 | 8 | 8 |
| Number of Bits | 8 bit | 8 bit | 8 bit |
| Package / Case | SOIC-20 | PDIP-20 | TSSOP-20 |
| Logic Family | 74AC | 74AC | 74AC |
| Logic Type | CMOS | CMOS | CMOS |
| Number of Input Lines | 8 / 8 | 8 / 8 | 8 / 8 |
| Output Type | 3-State | 3-State | 3-State |
| Propagation Delay Time | 21.5 ns, 14.5 ns | 21.5 ns, 14.5 ns | 21.5 ns, 14.5 ns |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Tube |
| Function | 8 Input Universal Shift/Storage Register | Register | 8 Input Universal Shift/Storage Register |
| Width | 7.6 mm | 7.11 mm | 4.4 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Number of Output Lines | 8 | 8 | 8 |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | 2 V to 6 V |
| Product Type | Counter Shift Registers | Counter Shift Registers | Counter Shift Registers |
| Factory Pack Quantity | 36 | 18 | 73 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Part # Aliases | 74AC299SC_NL | 74AC299PC_NL | - |
| Unit Weight | 0.028254 oz | 0.079719 oz | 0.006737 oz |