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SN74CBTD3306具有两个独立的线路开关。当相关的输出使能（OE \）输入为高电平时，每个开关都被禁用。芯片上集成了一个二极管至V CC ，允许在5V输入和3.3V输出之间进行电平转换。
两个端口之间的开关连接
| Configuration |
| Number of Channels (#) |
| Power Supply Type |
| Vss (Min) (V) |
| Vss (Max) (V) |
| Vdd (Min) (V) |
| Vdd (Max) (V) |
| Ron (Typ) (Ohms) |
| Bandwidth (MHz) |
| Rating |
| Operating Temperature Range (C) |
| Package Size: mm2:W x L (PKG) |
| Package Group |
| Supply Range (Max) |
| Ron (Max) (Ohms) |
| Input/Output Continuous Current (Max) (mA) |
| Supply Current (Max) (uA) |
| Features |
| OFF-state leakage current (Max) (µA) |
| ON-state leakage current (Max) (µA) |
| Input/Output ON-state Capacitance (Typ) (pF) |
| Input/Output OFF-state Capacitance (Typ) (pF) |
| ESD Charged Device Model (kV) |
| ESD HBM (kV) |
| VIL (Max) (V) |
| VIH (Min) (V) |
| SN74CBTD3306 | SN74CB3T3306 | SN74CBTD3306C |
|---|---|---|
| 1:1 SPST | 1:1 SPST | 1:1 SPST |
| 2 | 2 | 2 |
| Single | Single | Single |
| N/A | N/A | N/A |
| N/A | N/A | N/A |
| 4.5 | 2.3 | 4.5 |
| 5.5 | 3.6 | 5.5 |
| 5 | 5 | 3 |
| 20 | 100 | 20 |
| Catalog | Catalog | Catalog |
| -40 to 85 | -40 to 85 | -40 to 85 |
| 8SOIC: 29 mm2: 6 x 4.9(SOIC) 8TSSOP: 19 mm2: 6.4 x 3(TSSOP) | 8SM8: 12 mm2: 4 x 2.95(SM8) 8VSSOP: 6 mm2: 3.1 x 2(VSSOP) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) 8TSSOP: 19 mm2: 6.4 x 3(TSSOP) |
| SOIC TSSOP | SM8 VSSOP | SOIC TSSOP |
| 5.5 | 3.6 | 5.5 |
| 50 | 8 | 20 |
| 128 | 128 | 128 |
| 1500 | 20 | 1500 |
| Voltage Level Shifting | Powered off protection Signal path Translation | Powered off protection -2V undershoot protection Voltage Level Shifting |
| 1 | 10 | 10 |
| 1 | ||
| 4 | 12.5 | |
| 4 | 4.5 | 5 |
| 1 | 1 | |
| 2 | 2 | |
| 0.8 | 0.8 | 0.8 |
| 2 | 1.7 | 2 |
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