| PartNumber | CY74FCT191ATSOC | CY74FCT191ATSOCE4 | CY74FCT191ATSOCT |
| Description | Counter ICs Presettable Synch 4B Up/Down | Counter ICs Presettable Synch 4B Up/Down Bin | Counter ICs Presettable Synch 4B Up/Down Bin |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Counter ICs | Counter ICs | Counter ICs |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-16 | SOIC-16 | SOIC-16 |
| Logic Family | 74FCT | 74FCT | 74FCT |
| Counting Sequence | Up/Down | Up/Down | Up/Down |
| Operating Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | CY74FCT191T | CY74FCT191T | - |
| Packaging | Tube | Tube | Reel |
| Function | Counter | - | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Type | Counter ICs | Counter ICs | Counter ICs |
| Factory Pack Quantity | 40 | 40 | 1 |
| Subcategory | Counter ICs | Counter ICs | Counter ICs |
| Unit Weight | 0.014829 oz | 0.014829 oz | 0.014829 oz |
| Counter Type | - | Binary | Binary |
| Number of Bits | - | 4 bit | 4 bit |
| Counting Method | - | Synchronous | Synchronous |