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FT51AL-R 数据表(PDF) 20 Page - Future Technology Devices International Ltd. |
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FT51AL-R 数据表(HTML) 20 Page - Future Technology Devices International Ltd. |
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20 / 43 page ![]() Copyright © Future Technology Devices International Limited 20 FT51A Advanced MCU with 8051 Compatible Core IC Datasheet Version 1.5 Doc ument N o.: FT _000877 C learance N o.: FT DI#420 Parameter Description Minimum Typical Maximum Units Conditions Voh Output Voltage High 2.9 VCCIO V Ioh = +/-2mA IO Drive strength = 4mA 2.9 VCCIO V IO Drive strength = 8mA 2.9 VCCIO V IO Drive strength = 12mA 2.9 VCCIO V IO Drive strength = 16mA Vol Output Voltage Low 0.4 V Iol = +/-2mA IO Drive strength = 4mA 0.4 V IO Drive strength = 8mA 0.4 V IO Drive strength = 12mA 0.4 V IO Drive strength*= 16mA Vil Input low Switching Threshold 0.8 V LVTTL Vih Input High Switching Threshold 2.0 V LVTTL Vt Switching Threshold 1.49 V Vt- Schmitt trigger negative going threshold voltage 1.15 V Vt+ Schmitt trigger positive going threshold voltage 1.64 V Rpu Input pull-up resistance 40 75 190 KΩ Vin = 0 Rpd Input pull-down resistance 40 75 190 KΩ Vin =VCCIO Iin Input Leakage Current -10 10 μA Vin = 0 Table 4-3 – IO Characteristics VCCIO = +3V3 |
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