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| PartNumber | CY74FCT540CTQCT | CY74FCT540CTQCTE4 | CY74FCT540CTQCTG4 |
| Description | Buffers & Line Drivers Tri-St 8-Bit | Buffers & Line Drivers Tri-St 8-Bit | Buffers & Line Drivers Tri-St 8-Bit |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Buffers & Line Drivers | Buffers & Line Drivers | - |
| RoHS | Y | Y | - |
| Number of Input Lines | 8 Input | 8 Input | - |
| Number of Output Lines | 3 Output | 8 Output | - |
| Polarity | Inverting | Inverting | - |
| Supply Voltage Max | 5.25 V | 5.25 V | - |
| Supply Voltage Min | 4.75 V | 4.75 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QSOP-20 | QSOP-20 | - |
| Packaging | Reel | Reel | - |
| Function | Buffer/Line Driver | Buffer/Line Driver | - |
| Height | 1.5 mm (Max) | 1.5 mm (Max) | - |
| Length | 8.75 mm (Max) | 8.75 mm (Max) | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Output Type | 3-State | 3-State | - |
| Series | CY74FCT540T | CY74FCT540T | - |
| Technology | CMOS | CMOS | - |
| Width | 4 mm (Max) | 4 mm (Max) | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Family | FCT | FCT | - |
| Logic Type | CMOS | CMOS | - |
| Number of Channels | 8 | 8 | - |
| High Level Output Current | - 32 mA | - 32 mA | - |
| Input Signal Type | Single-Ended | Single-Ended | - |
| Low Level Output Current | 64 mA | 64 mA | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | - |
| Product Type | Buffers & Line Drivers | Buffers & Line Drivers | - |
| Propagation Delay Time | 4.1 ns at 5 V | 4.1 ns at 5 V | - |
| Factory Pack Quantity | 2500 | 2500 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.004437 oz | 0.004437 oz | - |