| PartNumber | SN74ALS561AN | SN74ALS561ANE4 | SN74ALS561ANG4 |
| Description | Counter ICs Sync 4-Bit Binary Counter W/3-St Otpt | Counter ICs Sync 4-Bit Binary Counter W/3-St Otpt | IC COUNTER BIN 4BIT SYNCH 20-DIP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter ICs | Counter ICs | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-20 | PDIP-20 | - |
| Counter Type | Binary | Binary | - |
| Logic Family | ALS | ALS | - |
| Number of Bits | 4 bit | 4 bit | - |
| Counting Sequence | Up/Down | - | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Series | SN74ALS561A | SN74ALS561A | - |
| Packaging | Tube | Tube | - |
| Function | Counter | Counter | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Output Current | 24 mA/- 2.6 mA | 24 mA/- 2.6 mA | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Counter ICs | Counter ICs | - |
| Factory Pack Quantity | 20 | 20 | - |
| Subcategory | Counter ICs | Counter ICs | - |
| Unit Weight | 0.042297 oz | 0.042297 oz | - |
| Counting Method | - | Asynchronous | - |