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| PartNumber | SN74F161AD | SN74F161ADBR | SN74F161ADBRE4 |
| Description | Counter ICs Synchronous 4-Bit Binary Counter | Counter ICs Synchronous 4-Bit Binary Counter | IC COUNTER 4BIT BIN SYNC 16-SSOP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter ICs | Counter ICs | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOP-16 | SSOP-16 | - |
| Counter Type | Binary | Binary | - |
| Logic Family | F | TTL | - |
| Number of Bits | 4 bit | 4 | - |
| Counting Sequence | Up | - | - |
| 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 | SN74F161A | - | - |
| Packaging | Tube | Reel | - |
| Function | Counter | - | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Output Current | 20 ma/- 1 mA | - | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Counter ICs | Counter ICs | - |
| Factory Pack Quantity | 40 | 1 | - |
| Subcategory | Counter ICs | Counter ICs | - |
| Unit Weight | 0.004998 oz | 0.004536 oz | - |
| Counting Method | - | Asynchronous | - |