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HT656 数据表(PDF) 4 Page - Holtek Semiconductor Inc |
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HT656 数据表(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 14 page ![]() Approximate internal connection circuits Absolute Maximum Ratings* Supply Voltage ............................... –0.3V to 13V Storage Temperature................. –50 °C to 125°C Input Voltage..................VSS–0.3V to VDD+0.3V Operating Temperature............... –20 °C to 75°C *Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied and exposure to absolute maximum rating conditions for extened periods may affect device reliability. Electrical Characteristics (Ta=25 °C) Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage — — 3 — 12 V ISTB Standby Current 5V Oscillator stops — 0.1 1 µA 12V — 2 4 µA IDD Operating Current 5V No load FOSC=100kHz — 0.2 1 mA IO Data Output Source Current (D10~D17) 5V VOH=4.5V –0.5 –1 — mA Data Output Sink Current (D10~D17) VOL=0.5V 0.5 1 — mA IVT VT Output Source Current 5V VOH=4.5V –2 –4 — mA VT Output Sink Current VOL=0.5V 1 2 — mA VIH “H” Input Voltage 5V — 3.5 — 5 V VIL “L” Input Voltage 5V — 0 — 1 V FOSC Oscillator Frequency 10V ROSC=330k Ω —100 — kHz 3 18 Series of Decoders 4 2nd Oct ’97 |
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