CD4049UB 和 CD4050B 器件为反相和同相六路缓冲器,仅使用一个电源电压 (VCC) 即可实现逻辑电平转换。使用这些器件进行逻辑电平转换时,输入信号高电平 (VIH) 可以超过 VCC 电源电压用于逻辑电平转换。这些器件可用作 CMOS 至 DTL 或 TTL 转换器,并可直接驱动两个 DTL 或 TTL 负载。(VCC = 5V、 VOL ≤ 0.4V 且 IOL ≥ 3.3mA。)
| Technology family | CD4000 |
| Supply voltage (min) (V) | 3 |
| Supply voltage (max) (V) | 18 |
| Number of channels | 6 |
| IOL (max) (mA) | 18 |
| IOH (max) (mA) | -3.1 |
| Supply current (max) (µA) | 600 |
| Input type | Standard CMOS |
| Output type | Push-Pull |
| Features | Over-voltage tolerant inputs, Standard speed (tpd > 50ns), Unbuffered |
| Rating | Catalog |
| Operating temperature range (°C) | -55 to 125 |
| PDIP (N) | 16 | 181.42 mm² 19.3 x 9.4 |
| SOIC (D) | 16 | 59.4 mm² 9.9 x 6 |
| SOIC (DW) | 16 | 106.09 mm² 10.3 x 10.3 |
| SOP (NS) | 16 | 79.56 mm² 10.2 x 7.8 |
| TSSOP (PW) | 16 | 32 mm² 5 x 6.4 |