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M3005LD Fiches technique(PDF) 5 Page - STMicroelectronics |
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M3005LD Fiches technique(HTML) 5 Page - STMicroelectronics |
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5 / 10 page ![]() Table 4 : Key Codes Matrix Drive Matrix Sense Code Matrix Position F E D CBA DRV0N DRV1N DRV2N DRV3N DRV4N DRV5N DRV6N VSS SEN0N SEN0N SEN0N SEN0N SEN0N SEN0N SEN0N SEN0N 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 2 3 4 5 6 7 * * * * * * * SEN1N SEN2N SEN3N SEN4N SEN5N SEN6N SEN5N and SEN6N 0 0 0 1 1 1 1 0 1 1 0 0 1 1 1 0 1 0 1 0 1 ** ** ** ** ** * ** 8to 15 16 to 23 24 to 31 32 to 39 40 to 47 48 to 55 56 to 63 * The complete matrix drive as shown above for SEN0N is also applicable for the matrix sense inputs SEN1N to SEN6N and the combined SEN5/SEN6N. ** The C, B and A codes are identical to SEN0N as given above. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VDD Supply Voltage Range - 0.3 to + 7 V VI Input Voltage Range - 0.3 to (VDD + 0.3) V VO Output Voltage Range - 0.3 to (VDD + 0.3) V ± I D.C. Current into Any Input or Output Max. 10 mA - I (REMO) M Peak REMO Output Current during 10 µs, Duty Factor = 1% Max. 300 mA Ptot Power Dissipation per Package for TA = - 20 to + 70 oC Max. 200 mW Tstg Storage Temperature Range - 55 to + 150 oC TA Operating Ambient Temperature Range - 20 to + 70 oC ELECTRICAL CHARACTERISTICS VSS = 0V, TA =25 oC (unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Supply Voltage TA = 0 to + 70 oC 2 6.5 V IDD Supply Current • Active fOSC = 455kHz VDD =3V REMO,Output unload VDD =6V 0.25 1.0 0.5 2 mA mA • Inactive (stand-by mode) VDD =6V 2 µA fOSC Oscill. Frequency VDD = 2 to 6.5V (cer resonator) 350 600 kHz KEYBOARD MATRIX - Inputs SE0N to SEN6N VIL Input Voltage Low VDD = 2 to 6.5V 0.3 x VDD V VIH Input Voltage High VDD = 2 to 6.5V 0.7 x VDD V -II Input Current VDD =2V, VI =0V VDD = 6.5V, VI =0V 10 100 100 600 µA µA II Input Leakage Current VDD = 6.5V, VI =VDD 1 µA KEYBOARD MATRIX - Outputs DRV0N to DRV6N VOL Output Voltage ”ON” VDD =2V, IO = 0.25mA VDD = 6.5V, IO = 2.5mA 0.3 0.6 V V IO Output Current ”OFF” VDD = 6.5V, VO = 11V 10 µA M3005LAB1 - M3005LD 5/10 |
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