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MB89930A Datasheet(PDF) 23 Page - Fujitsu Component Limited. |
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MB89930A Datasheet(HTML) 23 Page - Fujitsu Component Limited. |
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23 / 42 page  MB89930A Series 23 s ELECTRICAL CHARACTERISTICS 1. Absolute Maximum Ratings *1 : If the maximum current to /from an input is limited by some means with external components, the ICLAMP rating supersedes the VI rating. *2 : • Applicable to pins : P00 to P07, P30 to P37, P40 to P43, P50 • Use within recommended operating conditions. • Use at DC voltage (current) • The +B signal should always be applied with a limiting resistance placed between the +B signal and the microcontroller. • The value of the limiting resistance should be set so that when the +B signal is applied the input current to the microcontroller pin does not exceed rated values, either instaneously or for prolonged periods. • Note that when the microcontroller drive current is low, such as in the power saving modes, the +B input potentional may pass through the protective diode and increase the potentional at the VCC pin, and this may affect other devices. • Note that if a +B signal is input when the microcontroller current is off (not fixed at 0 V) , the power supply is provided from the pins, so that incomplete operation may result. • Note that if the +B input is applied during power-on, the power supply is provided from the pins and the resulting supply voltage may not be sufficient to operate the power-on result. • Care must be taken not to leave the +B input pin open. • Note that analog system input pins other than the A/D input pins (LCD drive pins, comparator input pins, etc.) cannot accept +B signl input. Parameter Symbol Value Unit Remarks Min Max Power supply voltage VCC VSS − 0.3 VSS + 6.0 V Input voltage VI VSS − 0.3 VCC + 0.3 V *1 Output voltage VO VSS − 0.3 VCC + 6.0 V Maximum clamp current ICLAMP – 2.0 + 2.0 mA *2 Maximum total clamp current ∑ |ICLAMP| 20 mA *2 “L” level maximum output current IOL1 20 mA Pins P40 to P43 IOL2 10 mA Pins excluding P40 to P43 “L” level average output current IOLAV 4mA Average value (operating current × operating rate) “L” level total maximum output current ΣIOL 100 mA “H” level maximum output current IOH −10 mA “H” level average output current IOHAV −2mA Average value (operating current × operating rate) “H” level total maximum output current ΣIOH −50 mA Power consumption Pd 200 mW Operating temperature Ta −40 +85 °C −40 +125 °C*3 Storage temperature Tstg −55 +150 °C |
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