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DS1500YEN+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS1500YEN+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 19 page DS1500 Y2KC Watchdog RTC with Nonvolatile Control 2 of 19 ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground……………………………………………………………..-0.5V to +6.0V Operating Temperature Range …………………………………………………………-40°C to +85°C (Note 1) Storage Temperature Range ………………………………………………………………….-55°C to +125°C Soldering Temperature ……………………………………………….See IPC/JEDEC J-STD-020 Specification Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability. RECOMMENDED DC OPERATING CONDITIONS (TA = -40°C to +85°C) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS 5V (Y) 4.5 5.0 5.5 Power Supply Voltage (Note 2) VCC 3.3V (W) 3.0 3.3 3.6 V Y 2.2 VCC + 0.3 Logic 1 Voltage All Inputs (Note 2) VIH W 2.0 VCC + 0.3 V Pullup Voltage, IRQ, PWR, and RST Outputs VPU (Note 2) 5.5 V Y -0.3 +0.8 Logic 0 Voltage All Inputs (Note 2) VIL W -0.3 +0.6 V Battery Voltage (Note 2) VBAT 2.5 3.0 3.7 V Y 2.5 3.0 5.3 Auxiliary Battery Voltage (Note 2) VBAUX W 2.5 3.0 3.7 V DC ELECTRICAL CHARACTERISTICS (VCCMIN < VCCI < VCCMAX, TA = -40°C to +85°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Y 15 Active Supply Current (Note 3) ICC W 10 mA Y 5 TTL Standby Current (CS = VIH) ICC1 W 4 mA Y 5 CMOS Standby Current (CS ≥ VCCI - 0.2V) ICC2 W 4 mA Input Leakage Current (Any Input) IIL -1 +1 µA Output Leakage Current (Any Output) IOL -1 +1 µA Output Logic 1 Voltage (IOUT = -1.0mA) VOH (Note 2) 2.4 V VOL1 (Note 2) 0.4 V Output Logic 0 Voltage (IOUT = 2.1mA, DQ0–7, CEO IOUT = 5.0mA, IRQ, IOUT = 7.0mA PWR, and RST) VOL2 (Notes 2, 4) 0.4 V Y 2.0 Battery Low, Flag Trip Point (Note 2) VBLF W 1.9 V Y Output Voltage (ICCO1 = 85mA ) (Note 5) VCCO1 W VCCI - 0.3 V Y 4.20 4.50 Power-Fail Voltage (Note 2) VPF W 2.75 2.97 V Battery Switchover Voltage VSO (Notes 2, 6) VBAT, VBAUX, or VPF V Output Voltage (ICCO2 = 50µA) VCCO2 (Note 7) VBAT - 0.3 V Battery Leakage Current ILKG 10 100 nA |
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