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这个2-位单项转换器使用2个分开的可配置电源轨.A端口用于跟踪V CCA 。 V CCA 接收从0.9 V至3.6 V间的任一电源电压.B端口用于跟踪V CCB 。 V CCB 接收从0.9 V至3.6 V间的任一电源电压。这将允许0.9V,1.2V,1.5V,1.8V,2.5V和3.6V电压结点间的低压双向转换。对SN74AVC2T244而言,当输出使能( OE )输入为低时,所有输出均处于高阻抗状态.SN74AVC2T244的 OE 输入电路参考V CCA 而设计。该器件的技术规格针对采用Ioff的部分断电应用而全面拟订。我 off 电路负责停用输出,从而可防止破坏性的电流在其断电时通过器件回流。
Technology Family |
Bits (#) |
VCC (Min) (V) |
VCC (Max) (V) |
Voltage (Nom) (V) |
F @ Nom Voltage (Max) (Mhz) |
ICC @ Nom Voltage (Max) (mA) |
IOL (Max) (mA) |
IOH (Max) (mA) |
Schmitt Trigger |
tpd @ Nom Voltage (Max) (ns) |
Rating |
Operating Temperature Range (C) |
Pin/Package |
SN74AVC2T244 | SN74AVC2T245 | SN74AVC2T45 | SN74AVC2T45-Q1 | SN74AVCH2T45 | SN74LVC2T45 | SN74LVC2T45-Q1 | TXB0102 | TXS0102 | TXS0102-Q1 |
---|---|---|---|---|---|---|---|---|---|
AVC | AVC | AVC | AVC | AVC | LVC | LVC | TXB | TXS | TXS |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
0.9 | 1.2 | 1.2 | 1.2 | 1.2 | 1.65 | 1.65 | 1.2 | 1.65 | 1.65 |
3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
0.9 1.2 1.5 1.8 2.5 3.3 | 1.2 1.5 1.8 2.5 3.3 | 1.2 1.5 1.8 2.5 3.3 | 1.2 1.5 1.8 2.5 3.3 | 1.2 1.5 1.8 2.5 3.3 | 1.8 2.5 3.3 5 | 1.8 2.5 3.3 5 | 3.3 | 3.3 | 3.3 |
100 | 100 | 100 | 100 | 100 | 150 | 150 | 50 | 12 | 12 |
0.0009 | 0.0008 | 0.0008 | 0.01 | 0.01 | 0.004 | 0.004 | 0.005 | 0.012 | 0.012 |
24 | 12 | 12 | 12 | 12 | 32 | 32 | 0.02 | 1 | 1 |
-24 | -12 | -12 | -12 | -12 | -32 | -32 | -0.02 | -0.02 | -0.02 |
No | No | No | No | No | No | No | No | No | No |
20 7 3.5 | 2.5 2.1 1.9 | 3.1 2.6 2.4 2.2 | 3.1 2.6 2.4 2.2 | 3.1 2.6 2.4 2.2 | 17.7 10.3 8.3 7.2 | 19.5 12 9.6 8.4 | 4.9 | 4.2 | 4.2 |
Catalog | Catalog | Catalog | Automotive | 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 125 | -40 to 85 | -40 to 85 | -40 to 125 |
8X2SON 8X2SON | 10UQFN | 8DSBGA 8SM8 8VSSOP | 8VSSOP | 8DSBGA 8SM8 8VSSOP | 8DSBGA 8SM8 8VSSOP | 8VSSOP | 8DSBGA 8VSSOP | 8DSBGA 8SM8 8VSSOP 8X2SON 8X2SON | 8VSSOP |