SNx4HCT245 八路总线收发器专为数据总线之间的异步双向通信而设计。控制功能实现可更大限度地减少外部时序要求。
根据方向控制 (DIR) 输入上的逻辑电平,SNx4HCT245 器件将数据从 A 总线发送至 B 总线,或者将数据从 B 总线发送至 A 总线。输出使能 (OE) 输入可用于禁用器件,这样可有效隔离总线。
| Supply voltage (min) (V) | 4.5 |
| Supply voltage (max) (V) | 5.5 |
| Number of channels | 8 |
| IOL (max) (mA) | 6 |
| IOH (max) (mA) | -6 |
| Input type | TTL |
| Output type | CMOS |
| Features | Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode |
| Technology family | HCT |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| PDIP (N) | 20 | 228.702 mm² 24.33 x 9.4 |
| SOIC (DW) | 20 | 131.84 mm² 12.8 x 10.3 |
| SOP (NS) | 20 | 98.28 mm² 12.6 x 7.8 |
| SSOP (DB) | 20 | 56.16 mm² 7.2 x 7.8 |
| TSSOP (PW) | 20 | 41.6 mm² 6.5 x 6.4 |
| VSSOP (DGS) | 20 | 24.99 mm² 5.1 x 4.9 |