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DS1270AB-70 Datasheet(PDF) 3 Page - Dallas Semiconductor |
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DS1270AB-70 Datasheet(HTML) 3 Page - Dallas Semiconductor |
3 / 8 page DS1270Y/AB 3 of 8 ABSOLUTE MAXIMUM RATINGS* Voltage on Any Pin Relative to Ground -0.3V to +6.0V 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 DS1270AB Power Supply Voltage VCC 4.75 5.0 5.25 V DS1270Y Power Supply Voltage VCC 4.5 5.0 5.5 V Logic 1 Input Voltage VIH 2.2 VCC V Logic 0 Input Voltage VIL 0 +0.8 V DC ELECTRICAL (VCC=5V ±=5% for DS1270AB) CHARACTERISTICS (tA: See Note 10) (VCC=5V ±=10% for DS1270Y) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Leakage Current IIL -4.0 +4.0 µA I/O Leakage Current IIO -4.0 +4.0 µA Output Current @ 2.4V IOH -1.0 mA Output Current @ 0.4V IOL 2.0 mA Standby Current CE =2.2V ICCS1 1.0 1.5 mA Standby Current CE =VCC-0.5V ICCS2 100 250 µA Operating Current ICCO1 85 mA Write Protection Voltage (DS1270AB) VTP 4.50 4.62 4.75 V Write Protection Voltage (DS1270Y) VTP 4.25 4.37 4.5 V CAPACITANCE (tA=25 °C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Capacitance CIN 20 40 pF Output Capacitance CI/O 20 40 pF |
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