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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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EM78P468NBQS/NBQJ Scheda tecnica(PDF) 56 Page - ELAN Microelectronics Corp |
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EM78P468NBQS/NBQJ Scheda tecnica(HTML) 56 Page - ELAN Microelectronics Corp |
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56 / 82 page  EM78P468N/L 8-Bit Microcontroller 50 • Product Specification (V1.6) 12.31.2007 (This specification is subject to change without further notice) 7 Absolute Maximum Ratings Rating Items Symbol Condition Min. Max. Unit Supply voltage VDD − GND-0.3 +7.0 V Input voltage VI Port 5 ~ Port 8 GND-0.3 VDD+0.3 V Output voltage VO Port 5 ~ Port 8 GND-0.3 VDD+0.3 V Operation temperature TOPR − -40 85 °C Storage temperature TSTG − -65 150 °C Power consumption PD − − 500 mW Operating Frequency − − 32.768K 10M Hz 8 Electrical Characteristic 8.1 DC Electrical Characteristics Ta= -40 °C ~85 °C, VDD= 5.0V, GND= 0V Symbol Parameter Condition Min. Typ. Max. Unit FXT Crystal: VDD to 5V Two cycles with two clocks 32.768 8M 10M kHz Fs Sub-oscillator Two cycles with two clocks − 32.768 − kHz External R, Internal C for Sub-oscillator R: 300K Ω, internal capacitance 270 384 500 kHz ERIC External R, Internal C for Sub-oscillator R: 2.2M Ω, internal capacitance 22.9 32.768 42.6 kHz IIL Input Leakage Current for Input pins VIN = VDD, GND -1 0 1 μA VIH1 Input High Threshold Voltage (Schmitt Trigger) Ports 5, 6, 7, 8 2.0 − − V VIL1 Input High Threshold Voltage (Schmitt Trigger) Ports 5, 6, 7, 8 − − 0.8 V VIHT1 Input High Threshold Voltage (Schmitt Trigger) /RESET 2.0 − − V VILT1 Input Low Threshold Voltage (Schmitt Trigger) /RESET − − 0.8 V VIHT2 Input High Threshold Voltage (Schmitt Trigger) TCC, INT0, INT1 2.0 − − V VILT2 Input Low Threshold Voltage (Schmitt Trigger) TCC, INT0, INT1 − − 0.8 V IOH1 Output High Voltage (Ports 5~8) VOH = 2.4V, IROCS=”0” -10 − − mA IOL1 Output Low Voltage (Ports 5~8) VOL = 0.4V, IROCS=”0” − − 10 mA IOH1 Output high voltage (P5.7/IROUT pin) VOH = 2.4V, IROCS=”1” -20 − − mA IOL2 Output Low Voltage (P5.7/IR OUT pin) VOL = 0.4V, IROCS=”1” − − 20 mA |
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