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| PartNumber | SN74LS597D | SN74LS597DRE4 | SN74LS597DR |
| Description | Counter Shift Registers Serial-out shift Register | Counter Shift Registers Serial-out shift Register | Counter Shift Registers Serial-out shift Register |
| 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 | Serial/Parallel to Serial | Serial/Parallel to Serial |
| Number of Circuits | 8 | 1 | 1 |
| Number of Bits | 8 bit | 8 bit | 8 bit |
| Package / Case | SOP-16 | SOP-16 | SOIC-16 |
| Logic Family | 74LS | LS | LS |
| Logic Type | Bipolar | Bipolar | Bipolar |
| Number of Input Lines | 3 / 1 | 9 | 9 |
| Propagation Delay Time | 60 ns | 60 ns | 60 ns |
| 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 | Tube | Reel | Reel |
| Function | Shift Register | Shift Register | Shift Register |
| Operating Temperature Range | 0 C to + 70 C | - | - |
| Series | SN74LS597 | - | - |
| Width | 3.91 mm | 3.91 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Number of Output Lines | 1 | 1 | 1 |
| Operating Supply Voltage | 4.75 V to 5.25 V | 5 V | 5 V |
| Product Type | Counter Shift Registers | Counter Shift Registers | Counter Shift Registers |
| Factory Pack Quantity | 40 | 1 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.004998 oz | 0.007079 oz | 0.007079 oz |
| Supply Voltage Min | - | 4.75 V | 4.75 V |
| Features | - | Parallel Enable Input | Parallel Enable Input |
| Height | - | 1.58 mm | 1.58 mm |
| Length | - | 9.9 mm | 9.9 mm |
| Reset Type | - | Asynchronous | Asynchronous |
| Triggering Type | - | Positive Edge | Positive Edge |