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DS1220AB Datasheet(PDF) 3 Page - Dallas Semiconductor |
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DS1220AB Datasheet(HTML) 3 Page - Dallas Semiconductor |
3 / 9 page DS1220AB/AD 3 of 9 ABSOLUTE MAXIMUM RATINGS* Voltage on Any Pin Relative to Ground -0.3V to +7.0V Operating Temperature 0°C to 70°C; -40°C to +85°C for IND parts Storage Temperature -40°C to +70°C; -40°C to +85°C for IND parts Soldering Temperature 260°C for 10 seconds ∗ This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. RECOMMENDED DC OPERATING CONDITIONS (TA: See Note 10) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES DS 1220AB Power Supply Voltage VCC 4.75 5.0 5.25 V DS 1220AD Power Supply Voltage VCC 4.50 5.0 5.50 V Logic 1 VIH 2.2 VCC V Logic 0 VIL 0.0 +0.8 V (VCC =5V ± 5% for DS1220AB) (TA: See Note 10) DC ELECTRICAL CHARACTERISTICS (VCC =5V ± 10% for DS1220AD) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Leakage Current IIL -1.0 +1.0 µA I/O Leakage Current CE ≥ V IH ≤ V CC IIO -1.0 +1.0 µA Output Current @ 2.4V IOH -1.0 mA Output Current @ 0.4V IOL 2.0 mA Standby Current CE = 2.2V ICCS1 5.0 10.0 mA Standby Current CE = VCC-0.5V ICCS2 3.0 5.0 mA Operating Current tCYC=200 ns (Commercial) ICC01 75 mA Operating Current tCYC=200ns (Industrial) ICCO1 85 mA Write Protection Voltage (DS1220AB) VTP 4.5 4.62 4.75 V Write Protection Voltage (DS1220AD) VTP 4.25 4.37 4.5 V CAPACITANCE (TA =25°C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Capacitance CIN 510 pF Input/Output Capacitance CI/O 512 pF |
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