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| PartNumber | SN74LS161AN | SN74LS161ANE4 | SN74LS161AN /MOT |
| Description | Counter ICs 4-Bit Synch Binary | Counter ICs 4-Bit Synchronous Binary Counters | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter ICs | Counter ICs | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-16 | PDIP-16 | - |
| Counter Type | Binary | Binary | - |
| Logic Family | LS | LS | - |
| Number of Bits | 4 bit | 4 bit | - |
| Counting Sequence | Up | - | - |
| Operating Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Series | SN74LS161A | SN74LS161A | - |
| Packaging | Tube | Tube | - |
| Function | Counter | Counter | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Output Current | 8 mA/- 0.4 mA | 8 mA/- 0.4 mA | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Counter ICs | Counter ICs | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Counter ICs | Counter ICs | - |
| Unit Weight | 0.033570 oz | 0.033570 oz | - |
| Counting Method | - | Asynchronous | - |