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PC0801ARS-F 데이터시트(PDF) 55 Page - Powertip Technology |
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PC0801ARS-F 데이터시트(HTML) 55 Page - Powertip Technology |
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55 / 65 page ![]() ST7066U V2.0 2001/03/01 32/42 !" AC Characteristics (TA = 25℃, VCC = 2.7V) Symbol Characteristics Test Condition Min. Typ. Max. Unit Internal Clock Operation fOSC OSC Frequency R = 75K Ω 190 270 350 KHz External Clock Operation fEX External Frequency - 125 270 410 KHz Duty Cycle - 45 50 55 % TR,TF Rise/Fall Time - - - 0.2 µs Write Mode (Writing data from MPU to ST7066U) TC Enable Cycle Time Pin E 1200 - - ns TPW Enable Pulse Width Pin E 460 - - ns TR,TF Enable Rise/Fall Time Pin E - - 25 ns TAS Address Setup Time Pins: RS,RW,E 0 - - ns TAH Address Hold Time Pins: RS,RW,E 10 - - ns TDSW Data Setup Time Pins: DB0 - DB7 80 - - ns TH Data Hold Time Pins: DB0 - DB7 10 - - ns Read Mode (Reading Data from ST7066U to MPU) TC Enable Cycle Time Pin E 1200 - - ns TPW Enable Pulse Width Pin E 480 - - ns TR,TF Enable Rise/Fall Time Pin E - - 25 ns TAS Address Setup Time Pins: RS,RW,E 0 - - ns TAH Address Hold Time Pins: RS,RW,E 10 - - ns TDDR Data Setup Time Pins: DB0 - DB7 - - 320 ns TH Data Hold Time Pins: DB0 - DB7 10 - - ns Interface Mode with LCD Driver(ST7065) TCWH Clock Pulse with High Pins: CL1, CL2 800 - - ns TCWL Clock Pulse with Low Pins: CL1, CL2 800 - - ns TCST Clock Setup Time Pins: CL1, CL2 500 - - ns TSU Data Setup Time Pin: D 300 - - ns TDH Data Hold Time Pin: D 300 - - ns TDM M Delay Time Pin: M 0 - 2000 ns |
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