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| PartNumber | SN74ACT3631-15PCB | SN74ACT3631-20PCB | SN74ACT3631-15PQ |
| Description | FIFO 512 x 36 synchronous FIFO memory | FIFO 512 x 36 synchronous FIFO memory | FIFO 512 x 36 synchronous FIFO memory |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | FIFO | FIFO | Logic - FIFOs Memory |
| RoHS | Y | Y | - |
| Data Bus Width | 36 bit | 36 bit | - |
| Bus Direction | Bidirectional | Bidirectional | - |
| Memory Size | 18 kbit | 18 kbit | 18K (512 x 36) |
| Timing Type | Synchronous | Synchronous | - |
| Organization | 512 k x 36 | 512 k x 36 | - |
| Number of Circuits | 2 | 2 | - |
| Maximum Clock Frequency | 66.7 MHz | 50 MHz | - |
| Access Time | 11 ns | 13 ns | 11ns |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Current Max | 0.4 mA | 0.4 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Package / Case | HLQFP-120 | HLQFP-120 | - |
| Packaging | Tray | Tray | Tray |
| Height | 1.4 mm | 1.4 mm | - |
| Series | SN74ACT3631 | SN74ACT3631 | 74ACT |
| Width | 14 mm | 14 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | FIFO | FIFO | - |
| Factory Pack Quantity | 90 | 90 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Package Case | - | - | 132-BQFP Bumpered |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Function | - | - | Synchronous |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 132-BQFP (24.54x24.54) |
| Data Rate | - | - | 66.7MHz |
| Current Supply Max | - | - | 400μA |
| Bus Directional | - | - | Bi-Directional |
| Expansion Type | - | - | Depth, Width |
| Programmable Flags Support | - | - | Yes |
| Retransmit Capability | - | - | Yes |
| FWFT Support | - | - | No |