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SC9302DT Datasheet(PDF) 6 Page - Silan Microelectronics Joint-stock |
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SC9302DT Datasheet(HTML) 6 Page - Silan Microelectronics Joint-stock |
6 / 39 page Silan Semiconductors SC9302 Series HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 2.0 2001-11-01 6 ELECTRICAL CHARACTERISTICS (Tamb=25°C, fosc=3.5795MHz,unless otherwise specified) Test Conditions Parameter Symbol V DD Condition Min Typ Max Unit Operating Voltage V DD -- -- 2 -- 5.5 V Pulse -- 0.2 1 mA Operating Current IDD 2.5V Tone Off-hook Keypad entry No load -- 0.6 2 mA Stand-by Current ISTB 1V On-hook, no load, No entry -- -- 1 µA Memory Retention Voltage V R -- -- 1 -- 5.5 V Memory Retention Current IR 1V On-hook -- 0.1 0.2 µA Input Low Voltage V IL -- -- Vss -- 0.2 V DD V Input High Voltage V IH -- -- 0.8 V DD -- V DD V XMUTE Leakage current IXMO -- V XMUTE =12V, No entry -- -- 1 µA XMUTE Sink Current IOLXM 2.5V V XMUTE =0.5V 1 -- -- mA HKS Pin Input Current I HKS 2.5V V HKS =2.5V -- -- 0.1 µA HFI Pull-Low Resistance RHFI 2.5V VHFI =2.5V -- 200 -- k Ω HDI Pull-High Resistance R HDI 2.5V V HDI =0V -- 200 -- k Ω Keypad Pin Source Current IOH1 2.5V VOH =0V -4 -- -40 µA Keypad Pin Sink Current IOL1 2.5V VOL =2.5V 200 400 -- µA HFO Pin Source Current IOH2 2.5V VOH =2V -1 -- -- mA HFO Pin Sink Current IOL2 2.5V VOL =0.5V 1 -- -- mA HDO Pin Source Current IOH3 2.5V VOH =2V -1 -- -- mA HDO Pin Sink Current IOL3 2.5V VOL =0.5V 1 -- -- mA Control key -- 0.2 -- Pause Time After Flash TFP -- Digit key -- 1 -- s One-key Redialing Pause Time TRP -- One-key redialing -- 1 -- s Key-in Debounce Time TDB -- -- -- 20 -- ms Break Time for One-key Redialing TBRK -- One-key redialing -- 1.2 -- s Key-tone Duration TKT -- -- 34 -- -- ms Key-tone Frequency FKTC -- -- 1.2 -- -- KHz System Frequency Fosc -- Crystal =3.5795MHz 3.5759 3.5795 3.5831 MHz |
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