电平接口芯片-ASC0204S
ASC0204S是国科安芯研制的一款4位、双电源供电电压转换芯片。Ax引脚参考VCCA逻辑电平,OE引脚可参考VCCA或VCCB逻辑电平,Bx引脚参考VCCB逻辑电平。A端口可接受1.65V至5.5V的输入电压范围,B端口同样可接受1.65V至5.5V的输入电压范围。当OE设置为高电平时(参考任一电源),固定方向数据传输可从A至B或B至A进行。当OE设置为低电平时,所有输出引脚进入高阻抗状态。该芯片采用抗辐照加固设计,可应用于商业航天、核电站等场景。
Product Details
- 支持最高200Mbps数据速率(3.3V至5.0V转换)
- 施密特触发输入,允许噪声输入信号
- 高驱动能力(5V时最高±12mA)
- 低功耗:典型供电电流6μA
- 支持Ioff部分断电模式运行
- 可配置双电源轨设计,每个端口支持1.65V至5.5V
- 输入集成静态下拉电阻
- VCC隔离和VCC断开(Ioff-float)功能
- 控制逻辑(OE)具备VCC(MIN)电路
- 消除低速或噪声输入信号
- 驱动LED指示灯或蜂鸣器
- 通用I/O电平转换
- 推挽式电平转换
- 工作温度范围: -55°C to 125°C
- 封装: TSSOP14
- SEU: ≥37MeV.cm²/mg或10−5次/器件.天(商业航天级)
- SEL: ≥37MeV.cm²/mg(商业航天级)
- TID: ≥100krad(Si)(商业航天级)
封装类型:TSSOP14
| 尺寸(毫米) | 尺寸(英寸) | |||
| 最小值 | 最大值 | 最小值 | 最大值 | |
| A | 1.200 | 0.047 | ||
| A1 | 0.050 | 0.150 | 0.002 | 0.006 |
| A2 | 0.800 | 1.050 | 0.031 | 0.041 |
| b | 0.190 | 0.300 | 0.007 | 0.012 |
| c | 0.090 | 0.200 | 0.004 | 0.008 |
| D | 4.860 | 5.100 | 0.191 | 0.201 |
| E | 4.300 | 4.500 | 0.169 | 0.177 |
| E1 | 6.250 | 6.550 | 0.246 | 0.258 |
| e | 0.650BSC | 0.026BSC | ||
| L | 0.500 | 0.700 | 0.020 | 0.028 |
| H | 0.250TYP | 0.010TYP | ||
| θ | 1° | 7° | 1° | 7° |
抗辐照:
- SEU: ≥37MeV.cm²/mg或10−5次/器件.天(商业航天级)
- SEL: ≥37MeV.cm²/mg(商业航天级)
- TID: ≥100krad(Si)(商业航天级)
Solutions
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Product Manual
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