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| PartNumber | CY74FCT2543ATQCT | CY74FCT2543ATQC | CY74FCT2543ATQCTE4 |
| Description | Bus Transceivers Octal Registered Transceiver | Bus Transceivers Octal Line/MOS Drv w/3-State Output | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Bus Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers | - |
| RoHS | Y | - | - |
| Logic Family | FCT | FCT | - |
| Input Level | TTL | TTL | - |
| Output Level | TTL | TTL | - |
| Output Type | 3-State | 3-State | - |
| High Level Output Current | - 15 mA | - 15 mA | - |
| Low Level Output Current | 12 mA | 12 mA | - |
| Propagation Delay Time | 6.5 ns | 6 5 ns | - |
| Supply Voltage Max | 5.25 V | - | - |
| Supply Voltage Min | 4.75 V | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Package / Case | QSOP-24 | - | - |
| Packaging | Reel | Digi-ReelR Alternate Packaging | - |
| Function | Latched Transceiver | Latched Transceiver | - |
| Height | 1.5 mm | - | - |
| Length | 8.75 mm | - | - |
| Number of Circuits | 8 | 8 | - |
| Operating Temperature Range | - 40 C to + 85 C | - | - |
| Product | Registered Transceiver | Registered Transceiver | - |
| Series | CY74FCT2543T | 74FCT | - |
| Technology | CMOS | - | - |
| Width | 4 mm | - | - |
| Brand | Texas Instruments | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Channels | 8 | 8 | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Voltage | 4.75 V to 5.25 V | - | - |
| Polarity | Non-Inverting | Non-Inverting | - |
| Product Type | Bus Transceivers | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.059966 oz | 0.004568 oz | - |
| Package Case | - | SSOP-24 | - |
| Operating Temperature | - | -40°C ~ 85°C | - |
| Mounting Type | - | Surface Mount | - |
| Voltage Supply | - | 4.75 V ~ 5.25 V | - |
| Supplier Device Package | - | 24-SSOP/QSOP | - |
| Number of Elements | - | 1 | - |
| Current Output High Low | - | 15mA, 12mA | - |
| Logic Type | - | Registered Transceiver, Non-Inverting | - |
| Number of Bits per Element | - | 8 | - |
| Supply Voltage Max | - | 5.25 V | - |
| Supply Voltage Min | - | 4.75 V | - |