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| PartNumber | CD74HC191M | CD74HC191M96 | CD74HC191M96E4 |
| Description | Counter ICs Hi-Sp CMOS Logic Pre Sync 4-Bit Bry Up/Dn | Counter ICs Hi-Sp CMOS Logic Pre Sync 4-Bit Bry Up/Dn | Counter ICs Hi-Sp CMOS Logic Pre Sync 4-Bit Bry Up/Dn |
| 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 | SOP-16 | SOP-16 | SOP-16 |
| Counter Type | Binary | Binary | Binary |
| Logic Family | HC | HC | HC |
| Number of Bits | 4 bit | 4 bit | 4 bit |
| Counting Sequence | Up/Down | Up/Down | Up/Down |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | 2 V to 6 V |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | CD74HC191 | CD74HC191 | CD74HC191 |
| Packaging | Tube | Reel | Reel |
| Function | Counter | Counter | Counter |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - 55 C to + 125 C |
| Output Current | +/- 5.2 mA | +/- 5.2 mA | +/- 5.2 mA |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Type | Counter ICs | Counter ICs | Counter ICs |
| Factory Pack Quantity | 40 | 2500 | 2500 |
| Subcategory | Counter ICs | Counter ICs | Counter ICs |
| Unit Weight | 0.004998 oz | 0.004998 oz | 0.004998 oz |
| Counting Method | - | - | Synchronous |