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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AN2014 데이터시트(PDF) 35 Page - STMicroelectronics |
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AN2014 데이터시트(HTML) 35 Page - STMicroelectronics |
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35 / 65 page  DocID10701 Rev 10 35/65 AN2014 Hardware considerations 64 4.3.6 Recommended MICROWIRE EEPROM connections Recommended MICROWIRE EEPROM connections are shown in Figure 30 and Figure 31. Note that for both circuits: 1. A decoupling capacitor (10 nF min) must be placed as close as possible to the package pins VCC and VSS. 2. A 50 Ohm resistor can be connected to VCC if extra filtering on VCC is needed or if an identified latchup risk is to be minimized. Figure 30. Recommended MICROWIRE connections - safe design Figure 31. Recommended MICROWIRE connections - robust design Table 8. Calculating external pull-up and pull-down resistors in MICROWIRE products Recommended connection EEPROM input pins (S, C, D, W, ORG) EEPROM output pin Q RPD RPD > VIH EE / IOH master RPD > VIH master / IOH EE RPU RPU > (VCC −VIL EE) / IOL master RPU > (VCC −VIL master) / IOL EE |
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