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LS8397 Folha de dados(PDF) 3 Page - LSI Computer Systems |
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LS8397 Folha de dados(HTML) 3 Page - LSI Computer Systems |
3 / 8 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage 10 V Vi Input Signals 7 V TSTG, TJ Storage and Junction Temperatures -40 to +150 °C ELECTRICAL CHARACTERISTICS: (Refer to Block Diagram, Figure 2, and Timing Diagram, Figure 3) TA = +25°C, VDD = +5V unless otherwise specified. Parameter Symbol Minimum Typical Maximum Unit Condition ( Pin 15) Supply Voltage VDD 4.75 - 7 V - Quiescent Supply Current IDD - 300 400 uA Outputs floating ( Pins 13, 14, 21, 22, 23 and 24) Input Voltage Low VIL - - 0.75 V - Input Voltage High VIH 2 - - V - ( Pins 14, 21, 22, 23, 29) Input Current IIH, IIL - - 50 nA VI = VIL or VIH Input Current ( Pin 13) IIL - - 50 nA VI = 0 IIH - - 50 nA VI = VDD ( Pin 10) Enable Input Voltage Low VENL - - 1.3 V - Enable Input Voltage High VENH 2 - - V - Enable Input Current IEN - - 50 nA VEN = VENL Enable Input Current IEN - - 50 nA VEN = VENH ( Pins 4, 6, 7, 9) Phase Output Voltage Low VOL - - 0.5 V IO = -10mA Phase Output Voltage High VOH 4.0 - - V IO = 5mA ( Pins 5, 8) Inhibit Output Voltage Low VInhL - - 0.5 V IO = -10mA Inhibit Output Voltage High VInhH 4.0 - - V IO = 5mA Leakage Current ( Pin 3) ILeak - - 1 uA VCE = 7V Saturation Voltage ( Pin 3) VSat - - 0.4 V I = 5mA ( Pins 13, 14, 15) Comparators Offset Voltage VOff - 5 - mV VREF = 1V Comparator Bias Current IO 100 - 10 uA - ( Pins 18, 19) Input Reference Voltages VREFs, VREFh 0 - 3 V - Input Currents IREFs, IREFh - - 8 uA VREFs, VREFh = 3V ( Pin 11) RC Input Low VRCL 0 - 2.5 V - RC Input High VRCH 3.5 - - V - External resistor at RC R 10 - No Limit kΩ - Step Pulse Width tstp 0.5 - - us - Set up time tS 1 - - us - Hold time tH 4 - - us - Reset time tR 1 - - us - Reset to Step delay tRStp 1 - - us - ( Pin 20) Oscillator: Sawtooth Low VSOL - 2.1 - V - Sawtooth High VSOH - 3.65 - V - 8397-040709-3 |
Nº de peça semelhante - LS8397 |
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Descrição semelhante - LS8397 |
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