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| PartNumber | CY74FCT191CTQCT | CY74FCT191CTSOC | CY74FCT191CTQC |
| Description | Counter ICs Presettable Synch 4B Up/Down Bin | Counter ICs Presettable Synch 4B Up/Down | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter ICs | Counter ICs | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SSOP-16 | SOIC-16 | - |
| Logic Family | 74FCT | 74FCT | - |
| Counting Sequence | Up/Down | Up/Down | - |
| Operating Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | CY74FCT191T | CY74FCT191T | - |
| Packaging | Reel | Tube | - |
| Function | Counter | Counter | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Counter ICs | Counter ICs | - |
| Factory Pack Quantity | 2500 | 40 | - |
| Subcategory | Counter ICs | Counter ICs | - |
| Unit Weight | 0.002628 oz | 0.014829 oz | - |