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W91330N Datasheet(PDF) 9 Page - Winbond |
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W91330N Datasheet(HTML) 9 Page - Winbond |
9 / 17 page W91330N SERIES Publication Release Date: May 1997 - 9 - Revision A2 DC Characteristics, continued PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT DTMF Output DC Level VTDC RL = 5 K Ω, VDD = 2.0 to 5.5V 1.0 - 3.0 V DTMF Output Sink Current ITL VTO = 0.5V 0.2 - - mA DP Output Sink Current IPL VPO = 0.5V 0.5 - - mA T/P MUTE Output Sink Current ITML VTMO = 0.5V 0.5 - - mA Key Tone Output IKTH VKTH = 2.0V 0.5 - - mA Current IKTL VKTL = 0.5V 0.5 - - mA HFO Drive/Sink IHFH VHFH = 2.0V 0.5 - - mA Current IHFL VHFL = 0.5V 0.5 - - mA Keypad Input Drive Current IKD VI = 0.0V 30 - - µA Keypad Input Sink Current IKS VI = 2.5V 200 400 - µA HKS I/P Pull-High Resistor RHK - - 300 - K Ω Keypad Resistance RK - - - 5 K Ω AC CHARACTERISTICS (VDD −VSS = 2.5V, FOSC. = 3.579545 MHz, TA = 25° C, all outputs unloaded.) PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Key-in Debounce TKID - - 20 - mS Key Release Debounce TKRD - - 20 - mS Off-Hook Delay TOFD Lock only - 300 - mS First Key-in Delay TFKD Lock only - 300 - mS Pre-digit-pause1 TPDP1 Mode = VDD - 40 - mS 10 ppS Mode = Floating - 33.3 - Pre-digit-pause2 TPDP2 Mode = VDD - 20 - mS 20 ppS Mode = Floating - 16.7 - Interdigit Pause TIDP 10 ppS - 800 - mS (Auto Dialing) 20 ppS - 500 - |
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