| PartNumber | SN74ABT646ADBR | SN74ABT646ADW | SN74ABT646ADGVR |
| Description | Bus Transceivers Tri-St. Octal Bus | Bus Transceivers Tri-State Octal Bus | Bus Transceivers Octal Bus Trncvr/Reg W/3-State Otpt |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Bus Transceivers | Bus Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers |
| RoHS | Y | Y | - |
| Logic Family | 74ABT | 74ABT | - |
| Input Level | TTL | TTL | - |
| Output Level | TTL | TTL | - |
| Output Type | 3-State | 3-State | - |
| High Level Output Current | - 32 mA | - 32 mA | - |
| Low Level Output Current | 64 mA | 64 mA | - |
| Propagation Delay Time | 5.1 ns | 5.1 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Package / Case | SSOP-24 | SOIC-24 | - |
| Packaging | Reel | Tube | Digi-ReelR |
| Function | Tri-St. Octal Bus | Tri-State Octal Bus | - |
| Height | 1.95 mm | 2.35 mm | - |
| Length | 8.2 mm | 15.4 mm | - |
| Number of Circuits | 8 | 8 | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Product | BiCMOS | BiCMOS | - |
| Series | SN74ABT646A | SN74ABT646A | 74ABT |
| Technology | BiCMOS | BiCMOS | - |
| Width | 5.3 mm | 7.52 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Channels | 8 | 8 | - |
| Supply Current Max | 30 mA | 30 mA | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Polarity | Non-Inverting | Non-Inverting | - |
| Product Type | Bus Transceivers | Bus Transceivers | - |
| Factory Pack Quantity | 2000 | 25 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Triggering Type | Positive Edge | Positive Edge | - |
| Unit Weight | 0.059966 oz | 0.022025 oz | - |
| Package Case | - | - | 24-TFSOP (0.173", 4.40mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 24-TVSOP |
| Number of Elements | - | - | 1 |
| Current Output High Low | - | - | 32mA, 64mA |
| Logic Type | - | - | Registered Transceiver, Non-Inverting |
| Number of Bits per Element | - | - | 8 |