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| PartNumber | CD74AC161M | CD74AC161E | CD74AC161EE4 |
| Description | Counter ICs 4-Bit Synch Binary | Counter ICs Sync Preset Binary w/ASync Reset | - Bulk (Alt: CD74AC161EE4) |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter ICs | Counter ICs | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | Through Hole | - |
| Package / Case | SOP-16 | PDIP-16 | - |
| Counter Type | Binary | Binary | - |
| Logic Family | AC | AC | - |
| Number of Bits | 4 bit | 4 bit | - |
| Counting Method | Synchronous | - | - |
| Counting Sequence | Up | Up | - |
| Operating Supply Voltage | 1.5 V to 5.5 V | 1.5 V to 5.5 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Series | CD74AC161 | CD74AC161 | - |
| Packaging | Tube | Tube | - |
| Function | Counter | Counter | - |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Output Current | +/- 24 mA | +/- 24 mA | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Counter ICs | Counter ICs | - |
| Factory Pack Quantity | 40 | 25 | - |
| Subcategory | Counter ICs | Counter ICs | - |
| Unit Weight | 0.004998 oz | 0.033570 oz | - |