| PartNumber | 74AC299SJ | 74AC299TTR | 74AC299SJX |
| Description | Counter Shift Registers 8-Inp Shift/Stor Reg | Counter Shift Registers 8-Bit PIPO Shift Reg | IC SHIFT/REGISTER STORE 20SOP |
| Manufacturer | ON Semiconductor | STMicroelectronics | - |
| Product Category | Counter Shift Registers | Counter Shift Registers | - |
| RoHS | Y | Y | - |
| Counting Sequence | Serial/Parallel to Serial/Parallel | Serial/Parallel to Serial/Parallel | - |
| Number of Circuits | 8 | 3 | - |
| Number of Bits | 8 bit | 8 bit | - |
| Package / Case | SOP-20 | TSSOP-20 | - |
| Logic Family | 74AC | 74AC | - |
| Logic Type | CMOS | CMOS | - |
| Number of Input Lines | 8 / 8 | 3 / | - |
| Output Type | 3-State | 3-State | - |
| Propagation Delay Time | 21.5 ns, 14.5 ns | 19.3 ns, 10.5 ns | - |
| Supply Voltage Max | 6 V | 6 V | - |
| Minimum Operating Temperature | - 40 C | - 55 C | - |
| Maximum Operating Temperature | + 85 C | + 125 C | - |
| Packaging | Tube | Reel | - |
| Function | Register | Advanced high-speed CMOS | - |
| Width | 5.3 mm | 4.4 mm | - |
| Brand | ON Semiconductor / Fairchild | STMicroelectronics | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Output Lines | 8 | 10 | - |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | - |
| Product Type | Counter Shift Registers | Counter Shift Registers | - |
| Factory Pack Quantity | 38 | 2500 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.009408 oz | 0.006737 oz | - |
| Series | - | 74AC299 | - |
| Moisture Sensitive | - | Yes | - |