 
| 产品属性 | 属性值 | 
| Packaging: | Tube | 
| Series: | 74ACT | 
| Memory Size: | 4.5K (256 x 18) | 
| Function: | Synchronous | 
| Data Rate: | 40MHz | 
| Access Time: | 15ns | 
| Voltage - Supply: | 4.5 V ~ 5.5 V | 
| Current - Supply (Max): | 400A | 
| Bus Directional: | Uni-Directional | 
| Expansion Type: | Width | 
| Programmable Flags Support: | Yes | 
| Retransmit Capability: | No | 
| FWFT Support: | No | 
| Operating Temperature: | 0C ~ 70C | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 56-BSSOP (0.295 | 
| Supplier Device Package: | 7.50mm Width) | 
| Other: | 56-SSOP,,, |