| PartNumber | SN74HC161D | SN74HC161DG4 | SN74HC161DE4 |
| Description | Counter ICs 4-Bit Synch Binary | Counter ICs 4B SYNC Binary Counters | Counter ICs 4-Bit Synchronous Binary Counters |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Counter ICs | Counter ICs | Counter ICs |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOP-16 | SOP-16 | SOP-16 |
| Counter Type | Binary | Binary | Binary |
| Logic Family | HC | HC | HC |
| Number of Bits | 4 bit | 4 bit | 4 bit |
| Counting Sequence | Up | - | - |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | 2 V to 6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | SN74HC161 | SN74HC161 | SN74HC161 |
| Packaging | Tube | Tube | Tube |
| Function | Counter | Counter | Counter |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Output Current | +/- 5.2 mA | +/- 5.2 mA | +/- 5.2 mA |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Type | Counter ICs | Counter ICs | Counter ICs |
| Factory Pack Quantity | 40 | 40 | 40 |
| Subcategory | Counter ICs | Counter ICs | Counter ICs |
| Unit Weight | 0.004998 oz | 0.004998 oz | 0.004998 oz |
| Counting Method | - | Asynchronous | Asynchronous |