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DS1340C-18+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS1340C-18+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 13 page I2C RTC with Trickle Charger 2 _____________________________________________________________________ ABSOLUTE MAXIMUM RATINGS 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 absolute maximum rating conditions for extended periods may affect device reliability. Voltage Range on VCC Pin Relative to Ground .....-0.3V to +6.0V Voltage Range on SDA, SCL, and FT/OUT Relative to Ground..................................-0.3V to (VCC + 0.3V) Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range .............................-55°C to +125°C Soldering Temperature Range............................See IPC/JEDEC J-STD-020 Specification AC ELECTRICAL CHARACTERISTICS (VCC = VCC MIN to VCC MAX, TA = -40°C to +85°C, unless otherwise noted.) (Note 1, Figure 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Standard mode 0 100 SCL Clock Frequency fSCL Fast mode 100 400 kHz Standard mode 4.7 Bus Free Time Between STOP and START Conditions tBUF Fast mode 1.3 µs Standard mode 4.0 Hold Time (Repeated) START Condition (Note 2) tHD:STA Fast mode 0.6 µs Standard mode 4.7 Low Period of SCL Clock tLOW Fast mode 1.3 µs Standard mode 4.0 High Period of SCL Clock tHIGH Fast mode 0.6 µs Standard mode 0 0.9 Data Hold Time (Notes 3, 4) tHD:DAT Fast mode 0 0.9 µs Standard mode 250 Data Setup Time (Note 5) tSU:DAT Fast mode 100 ns Standard mode 4.7 START Setup Time tSU:STA Fast mode 0.6 µs Standard mode 20 + 0.1CB 1000 Rise Time of SDA and SCL Signals (Note 6) tR Fast mode 20 + 0.1CB 300 ns Standard mode 20 + 0.1CB 300 Fall Time of SDA and SCL Signals (Note 6) tF Fast mode 20 + 0.1CB 300 ns Standard mode 4.7 Setup Time for STOP Condition tSU:STO Fast mode 0.6 µs Capacitive Load for Each Bus Line CB (Note 6) 400 pF I/O Capacitance (SCL, SDA) CI/O 10 pF Pulse Width of Spikes that Must be Suppressed by the Input Filter tSP Fast mode 30 ns Oscillator Stop Flag (OSF) Delay tOSF (Note 7) 100 ms |
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Similar Description - DS1340C-18+ |
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