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DS1216B Datasheet(PDF) 8 Page - Dallas Semiconductor |
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DS1216B Datasheet(HTML) 8 Page - Dallas Semiconductor |
8 / 13 page DS1216 8 of 13 ABSOLUTE MAXIMUM RATINGS* Voltage Range on any Pin Relative to Ground -0.3V to +7.0V for 5V Operating Temperature Range 0°C to +70°C Storage Temperature Range -40°C to +70°C Soldering Temperature Range See J-STD-020A Specification (Note 6) * This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability. RECOMMENDED DC OPERATING CONDITIONS (0 °C to +70°C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES VCC Pin 5V Supply VCC 4.5 5.0 5.5 V 1 Logic 1 VIH 2.2 VCC + 0.3 V 8 Logic 0 VIL -0.3 +0.8 V 8 DC ELECTRICAL CHARACTERISTICS (0 °C to +70°C; VCC = 5.0 ± 10%) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES VCC Supply ICCI 5 mA 1, 2,3 VCC Supply Voltage (ICCO = 80mA) VCCO1(U) VCC - 0.2 V 1, 6 Input Leakage IIL -1.0 +1.0 mA 2,8,13 Output Logic 1 Voltage (IOUT = -1.0mA) VOH 2.4 V Output Logic 1 Voltage (IOUT = -1.0mA) VOL 0.4 V Write Protection Voltage VTP 4.25 4.5 V BACKUP POWER CHARACTERISTICS (0 °C to +70°C; VCC < VTP) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES CE Output VOH(L) VBAT - 0.2 V 1 VCC Supply Voltage (ICCO = 10µA) VCCO2(U) VBAT - 0.2 V 1, 6,14 RAM VCC (Battery) Voltage VBAT 2 3 3.6 V 1,15 Recovery at Power-Up tREC 2ms VCC Slew Rate fall tF 0 ms CE Pulse Width tCE 1.5 ms 5 |
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