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SN74CBTD3306C是一款高速TTL兼容FET总线开关,具有低导通电阻(r on ),允许用于最小传播延迟。该器件具有与V CC 串联的集成二极管,可为低至3.3V输出电平的5V输入提供电平转换。 SN74CBTD3306C的A和B端口上的有源下冲保护电路通过检测下冲事件并确保开关保持在正常的OFF状态,为低达2 V的下冲提供保护。
SN74CBTD3306C被组织为两个1位总线开关,具有独立的输出使能(10E,20E)输入。它可以用作两个1位总线开关或一个2位总线开关。当OE \为低电平时,相关的1位总线开关接通,A端口连接到B端口,允许端口之间的双向数据流。当OE \为高电平时,相关的1位总线开关关闭,A和B端口之间存在高阻态。
该器件完全适用于部分关断应用我关子>。 I off 功能可确保损坏的电流在断电时不会回流通过器件。
为确保上电或断电期间的高阻态,OE \应通过上拉电阻连接到V CC ;电阻的最小值由驱动器的电流吸收能力决定。
典型)
| 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) |
| SN74CBTD3306C | SN74CB3T3306 | SN74CBTD3306 |
|---|---|---|
| 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 |
| 3 | 5 | 5 |
| 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 |
| 20 | 8 | 50 |
| 128 | 128 | 128 |
| 1500 | 20 | 1500 |
| Powered off protection -2V undershoot protection Voltage Level Shifting | Powered off protection Signal path Translation | Voltage Level Shifting |
| 10 | 10 | 1 |
| 1 | ||
| 12.5 | 4 | |
| 5 | 4.5 | 4 |
| 1 | 1 | |
| 2 | 2 | |
| 0.8 | 0.8 | 0.8 |
| 2 | 1.7 | 2 |