| 전자부품 데이터시트 검색엔진 |
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ST7FOXK2 데이터시트(PDF) 198 Page - STMicroelectronics |
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ST7FOXK2 데이터시트(HTML) 198 Page - STMicroelectronics |
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198 / 226 page ![]() Electrical characteristics ST7FOXF1, ST7FOXK1, ST7FOXK2 198/226 Figure 86. Typical application with an external clock source 12.6.1 Auto wakeup from Halt oscillator (AWU) Table 78. External clock source characteristics Symbol Parameter Conditions Min Typ Max Unit VOSC1H or VCLKIN_H OSC1/CLKIN input pin high level voltage see Figure 86 0.7xVDD VDD V VOSC1L or VCLKIN_L OSC1/CLKIN input pin low level voltage VSS 0.3xVDD tw(OSC1H) or tw(CLKINH) tw(OSC1L) or tw(CLKINL) OSC1/CLKIN high or low time(1) 1. Data based on design simulation and/or technology characteristics, not tested in production. 15 ns tr(OSC1) or tr(CLKIN) tf(OSC1) or tf(CLKIN) OSC1/CLKIN rise or fall time(1) 15 IL OSCx/CLKIN Input leakage current VSS≤VIN≤VDD ±1 µA OSC1/CLKIN OSC2 fOSC EXTERNAL ST7xxx CLOCK SOURCE Not connected internally VOSC1L or VCLKINL VOSC1H or VCLKINH tr(OSC1 or CLKIN)) tf(OSC1 or CLKIN) tw(OSC1H or CLKINH)) tw(OSC1L or CLKINL) IL 90% 10% Table 79. AWU from Halt characteristics Symbol Parameter(1) 1. Guaranteed by Design. Not tested in production. Conditions Min Typ Max Unit fAWU AWU Oscillator Frequency 16 32 64 kHz tRCSRT AWU Oscillator startup time 50 µs |
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