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LS7220 Fiches technique(PDF) 2 Page - LSI Computer Systems |
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LS7220 Fiches technique(HTML) 2 Page - LSI Computer Systems |
2 / 4 page ABSOLUTE MAXIMUM RATINGS: PARAMETER SYMBOL VALUE UNIT DC Supply Voltage VSS - VDD +20 V Any Input Voltage VIN VSS - 20 to VSS + 0.5 V Operating Temperature TA -25 to +85 °C Storage Temperature TSTG -65 to +150 °C TRANSIENT CHARACTERISTICS: (See Figure 3) (TA = -25°C to +85°C, VSS = +5V to +18V) PARAMETER SYMBOL MIN MAX UNIT CONDITION SENSE High Delay to TSE - 1 µs No external Outputs Enabled capacitor, Pin 12 SENSE Low Delay to TSD - 10 µs No external Outputs Disabled capacitor, Pin 12 Input Pulse Widths TPW 25 - µs - (except SENSE) Valid Combination Entry to TCE - 10 µs SENSE High LOCK Output Enabled 7220-012703-2 DC ELECTRICAL CHARACTERISTICS: (All voltages referenced to VDD; TA = -25°C to +85°C unless otherwise specified.) Vss voltages = 5V, 9V, 12V, 15V, 18V PARAMETER SYMBOL MIN MAX UNIT CONDITION Supply Voltage VSS +5 +18 V - Supply Current ISS - 20, 30, 40, 50, 70 µA VSS voltages *INPUT VOLTAGES: SENSE Low VIL 0 2, 3, 4, 6, 8.5 V VSS voltages SENSE High VIH 3.5, 5.5, 6.5, 9, 11.5 VSS V VSS voltages CONVENIENCE DELAY Low VIL - 0.3Vss - Typical CONVENIENCE DELAY High VIL 0.7Vss - - Typical All Other Inputs: Low VIL 0 Vss - 3 V - High VIH Vss - 1 Vss V - *NOTE 1: All inputs have pull down resistors to VDD. Typical input sink current is 12µA with input at Vss (Vss - VDD = +12V) OUTPUT CURRENT: ***LOCK STATUS IO 0.4, 2.5, 5, 9, 14 1.3, 6, 12, 20, **30 mA Vss voltages Source Current Vo = +1.7V ***SAVE STATUS IO 0.8, 5, 10, 18, 28 2.6, 12, 24, **30, **30 mA Vss voltages Source Current Vo = +1.7V CONVENIENCE DELAY IO 0.1, 0.5, 0.7, 1, 1.2 0.5, 1.1, 1.6, 2.1, 2.4 mA Vss voltages LOCK IO 1.3, 6.5, 9.1, 13, 15.6 6.5, 14.7, 21, 27.3, **30 mA Vss voltages Inupt Capacitance CIN - 10 pF - **NOTE 2: Limit current to 30mA maximum ***NOTE 3: LOCK STATUS and SAVE STATUS output currents are balanced to achieve equal brightness for red and green LEDs |
Numéro de pièce similaire - LS7220 |
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Description similaire - LS7220 |
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