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M491B Datasheet(PDF) 3 Page - STMicroelectronics |
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M491B Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 16 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VDD Supply Voltage – 0.3, + 7 V VPP Memory Supply Voltage – 0.3, + 26 V VI Input Voltage – 0.3, + 15 V VO (off) Off State Input Voltage (except pin 3) Pin 3 15 28 V V IOL Output Low Current Led Driver Outputs Pins 6 – 14 Pins 4 – 5 All Other Outputs 20 20 7.5 5 mA tpd Max. Delay between Memory Timing and Memory Supply Pulses 5 µs Ptot Total Package Power Dissipation 1 W Tstg Storage Teperature – 25, + 125 °C Top Operating Temperature 0, + 70 °C Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (Tamb = 0 to + 70 °C, VDD = +5V unless otherwise specified) Pin Symbol Parameter Test Conditions Min. Typ. Max. Unit 2-Memory Supply IPP Memory Supply Current VPP = 25V Write Peak Average Erase Peak Average Read Peak Average 42 12 9 5 8 2.5 mA R Pull Down Resistor 25 k Ω 3–Write Timing Out VOL Output Low Voltage VDD = 4.75 V, IOL = 2.5 mA 8 V IO (off) Output Leakage Current VDD = 4.75 V, VOUT = 26 V 100 µA 4–Fine Tuning D/A 5–Tuning D/A IO (off) VDD = 5.25 V, VO (off) = 13.2 V 50 µA VOL VDD = 4.75 V, IOL = 5 mA 1 V 6–Digital AFT Out VOL VDD = 4.75 V, IOL = 20 mA 1.5 V IO (off) VDD = 5.25 V, VO (off) = 13.2 V 100 µA 9–Power Supply IDD Supply Current VDD = 5.25 V 100 mA 11–I.R. Input VIPP Peak-to-Peak Voltage 0.5 13.2 V 12–AFT1 13–AFT2 VIL Input low Voltage VDD = 5.25 V 1.5 V VIH Input High Voltage VDD = 5.25 V 3.5 V IIL Input Low Current VDD = 5.25 V, VIL = 1.5 V –0.4 mA R Pull-up Resistor 30 k Ω 14—Display Out VOL VDD = 4.75 V, IOL = 20 mA 1.5 V IO (off) VDD = 5.25 V, VO (off) = 13.2 V 100 µA 15–Volume D/A VOL VDD = 4.75 V, IOL = 4 mA 1 V IO (off) VDD = 5.25 V, VO (off) = 13.2 V 50 µA 16–Linear AFT Out VOL VDD = 4.75 V, IOL = 1 mA 0.4 V IO (off) VDD = 5.25 V, VO (off) = 13.2 V 50 µA 17–Digital AFT En- able VIL 0.8 V VIH 2.0 V IIL VDD = 5.25 V, VIL = 0.8 V –0.4 mA R Pull-up Resistor 30 k Ω M491B 3/16 |
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