数据:
带有自动方向感测的 2 位双向电压电平转换器, TXB0302 数据表 (Rev. B)
这个2位非反向转换器使用两个独立的可配置电源轨.A端口被设计用于追踪VCCA.VCCA接受从0.9V B端口设计用于跟踪VCCB.VCCB接受从0.9V至3.6V间的任一电源电压值。这可实现1V,1.2V,1.5V,1.8V,2.5V至3.6V间的任一电源电压值。 V和3.3V电压节点间的低压双向转换。对于TXB0302,当输出使能端(OE)输入为低电平时,所有输出均被置于高阻抗状态。为了确保加电或断电期间的高阻抗状态,OE应该通过一个下拉电阻器接在GND上;此电阻器的最小值由驱动器电流供源能力决定.TXB0302被设计用于实现VCCA对OE输入电路供电。该器件完全符合使用I 关闭的部分断电应用的规范要求.I 关闭电路禁用输出,从而可防止其断电时破坏性电流从该器件回流。
| Technology Family |
| Bits (#) |
| VCCA (Min) (V) |
| VCCA (Max) (V) |
| VCCB (Min) (V) |
| VCCB (Max) (V) |
| tpd @ Nom Voltage (Max) (ns) |
| Drive (Max) (mA) |
| Schmitt Trigger |
| Rating |
| Operating Temperature Range (C) |
| ICC @ Nom Voltage (Max) (mA) |
| Pin/Package |
| TXB0302 | SN74AVC4T234 | SN74AVC4T245 | SN74AVC4T245-Q1 | SN74AVC4T774 | SN74AVCH4T245 | TXB0104 | TXB0104-Q1 | TXB0304 | TXS0104E | TXS0104E-Q1 |
|---|---|---|---|---|---|---|---|---|---|---|
| TXB | AVC | AVC | AVC | AVC | AVC | TXB | TXB | TXB | TXS | TXS |
| 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 0.9 | 0.9 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 0.9 | 1.65 | 1.65 |
| 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| 0.9 | 0.9 | 1.2 | 1.2 | 1.2 | 1.2 | 1.65 | 1.65 | 0.9 | 2.3 | 2.3 |
| 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 5.5 | 5.5 | 3.6 | 5.5 | 5.5 |
| 16 | 4.3 4.2 4.1 3.8 3.7 | 3.4 3.2 2.9 2.8 | 3.4 3.2 2.9 2.8 | 3.5 3.1 2.8 2.6 2.5 | 3.4 3.2 2.9 2.8 | 4.7 4 | 7.7 7 | 12.3 | 9.6 10 | 4.6 4.2 3.1 2.4 |
| 50 | 12 | 12 | 12 | 12 | 12 | 50 | 50 | 50 | 24 | 1 |
| No | No | No | No | No | No | No | No | No | No | No |
| Catalog | Catalog | Catalog | Automotive | Catalog | Catalog | Catalog | Automotive | Catalog | Catalog | Automotive |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 125 |
| 0.01 | 0.016 | 0.016 | 0.016 | 0.016 | 0.016 | 0.01 | 0.04 | 0.01 | 0.0144 | 0.025 |
| 8X2SON | 11uCSP | 16SOIC 16TSSOP 16TVSOP 16UQFN 16VQFN | 16VQFN | 16TSSOP 16UQFN 16VQFN | 16SOIC 16TSSOP 16TVSOP 16UQFN 16VQFN | 12BGA MICROSTAR JUNIOR 12DSBGA 12UQFN 14SOIC 14TSSOP 14VQFN | 12UQFN 14TSSOP 14VQFN | 12UQFN 16UQFN | 12BGA MICROSTAR JUNIOR 12DSBGA 14SOIC 14TSSOP 14VQFN | 14TSSOP |
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