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ST7282A5 Datasheet(PDF) 5 Page - STMicroelectronics |
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ST7282A5 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 23 page ST7282A5 - ST7282B5 - ROM FROM EPROM Family Issuer Ref. Chrono March 26, 1997 Previous Ref Edition ST7 PG-RO 97115 7282A5B5 Target C Page 5/23 1)Operation below 30 KHz Mis possible but requires increased supply current 2)Time to build up the oscillation amplitude to 90% V DD 3)Pull-up resistor 4)WD not active 5)WD generating a reset 6)Period for which V DD has to be disconnected or at OV to allow internal reset function at next power up 7)pull up off I/O PORTS: Input leakage current 7) Input leakage current Input voltage high Input voltage low Output voltage high (PA,PB,PC) Output voltage high (PD, PE, PF, PG, PH) Output voltage low (PA, PB, PC, PD, PE, PF, PG, PH) Output voltage slope Output current slope Noise amplitude Pullup Resistor Current IIL IIH VIH VIL VOH VOH VOH VOH VOL VOL dVO/dt dIO/dt VN IRPU V=VSS V=VDD leading edge trailing edge I=5mA, VDD=4.5V I=1.0mA, VDD=4.5V I=2.5mA, VDD=4.5V I=0.5mA, VDD=4.5V I=-5mA, VDD=4.5V I=-1.6mA, VDD=4.5V CL=50pF CL=50pF 20MHz-250MHz VIN=VSS - - 0.7VDD - 3.0 4.1 3.0 4.1 - - - - - - - - - - - - - - - - - 0.25 2.5 100 - 50 10 10 - 0.2VDD - - - - 1.0 0.4 - - - - - µA µA V V V V V V V V V/ns mA/ns µV - µA ADC: Resolution Total Error Conversion time Input capacitance Analog source impedance Osc. frequency range VA1 tcon RVA fOSC=8.55MHz 8) fOSC=8.55MHz 8) fOSC=8.55MHz - - 34 - - 8.55 - +2 35 5 30 - bit LSB µs pF K Ω MHz LCD DRIVER: Frame frequency DC offset voltage 9) COM output voltage high COM output voltage low SEG output voltage high SEG output voltage low fF VOS VOH VOL VOH VOL fOSC=8.55MHz VLCD=VDD, no load I=50 µA I=50 µA I=25 µA I=25 µA - - - - - - 132 50 - 0.5 - 0.5 Hz mV V V V V EEPROM: Write time tW VDD=4.5V -10 ms PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT |
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