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| PartNumber | 74ACT299MTCX | 74ACT299MTC | 74ACT299MTR |
| Description | Counter Shift Registers 8-Inp Shift/Stor Reg | Counter Shift Registers 8-Inp Shift/Stor Reg | Counter Shift Registers 8-Bit PIPO Shift Reg |
| Manufacturer | ON Semiconductor | ON Semiconductor | STMicroelectronics |
| 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 | 3 |
| Number of Bits | 8 bit | 8 bit | 8 bit |
| Package / Case | TSSOP-20 | TSSOP-20 | SOP |
| Logic Family | 74ACT | 74ACT | 74ACT |
| Logic Type | CMOS | CMOS | CMOS |
| Number of Input Lines | 2 / 3 | 2 / 3 | 3 / 3 |
| Output Type | 3-State | 3-State | 3-State |
| Propagation Delay Time | 13.5 ns | 13.5 ns | 11.4 ns |
| Supply Voltage Max | 5 V | 5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 55 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 125 C |
| Packaging | Reel | Tube | Reel |
| Function | 8 Input Universal Shift/Storage Register | 8 Input Universal Shift/Storage Register | Advanced high-speed CMOS |
| Width | 4.4 mm | 4.4 mm | 7.6 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | STMicroelectronics |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Number of Output Lines | 3 | 3 | 3 |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | 4.5 V to 5.5 V |
| Product Type | Counter Shift Registers | Counter Shift Registers | Counter Shift Registers |
| Factory Pack Quantity | 2500 | 73 | 1000 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Part # Aliases | 74ACT299MTCX_NL | - | - |
| Unit Weight | 0.006737 oz | 0.006737 oz | - |
| Series | - | - | 74AC299 |