| PartNumber | SN74LS299DWRG4 | SN74LS299DWR | SN74LS299DWRE4 |
| Description | Counter Shift Registers Universal Shift Storage Registers | Counter Shift Registers Universal shift/ storage registers | Counter Shift Registers Universal shift/ storage registers |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| 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 | 1 | 1 | 1 |
| Number of Bits | 8 bit | 8 bit | 8 bit |
| Package / Case | SOIC-20 | SOIC-20 | SOIC-20 |
| Logic Family | LS | LS | LS |
| Logic Type | Bipolar | Bipolar | Bipolar |
| Number of Input Lines | 10 | 10 | 10 |
| Output Type | 3-State | 3-State | 3-State |
| Propagation Delay Time | 39 ns | 39 ns | 39 ns |
| Supply Voltage Min | 4.75 V | 4.75 V | 4.75 V |
| Supply Voltage Max | 5.25 V | 5.25 V | 5.25 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Reel | Reel | Reel |
| Features | No Parallel Enable Input | No Parallel Enable Input | No Parallel Enable Input |
| Function | Shift Register | Shift Register | Shift Register |
| Height | 2.35 mm | 2.35 mm | 2.35 mm |
| Length | 12.8 mm | 12.8 mm | 12.8 mm |
| Width | 7.52 mm | 7.52 mm | 7.52 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Number of Output Lines | 10 | 10 | 10 |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | Counter Shift Registers | Counter Shift Registers | Counter Shift Registers |
| Reset Type | Asynchronous | Asynchronous | Asynchronous |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Triggering Type | Positive Edge | Positive Edge | Positive Edge |
| Unit Weight | 0.018953 oz | 0.018953 oz | 0.018953 oz |