Datasheet MAX1661, MAX1662, MAX1663 (Maxim) - 2

ManufacturerMaxim
DescriptionSerial to Parallel Parallel to Serial Converters and Load Switch Controllers with SMBus Interface
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Serial-to-Parallel/Parallel-to-Serial Converters and Load-Switch Controllers with SMBus Interface

Serial-to-Parallel/Parallel-to-Serial Converters and Load-Switch Controllers with SMBus Interface

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Serial-to-Parallel/Parallel-to-Serial Converters and Load-Switch Controllers with SMBus Interface ABSOLUTE MAXIMUM RATINGS
VCC to GND ..-0.3V to +6V Continuous Power Dissipation (TA = +70°C) I/O to GND (I/O1, I/O2, I/O3) ..-0.3V to +30V 10-pin µMAX (derate 5.6mW/°C above +70°C) ...444mW I/O Sink Current (I/O1, I/O2, I/O3), Operating Temperature Range Internally Limited...-1mA to +50mA MAX166_EUB ..-40°C to +85°C Digital Inputs to GND (SMBCLK, SMBDATA, Storage Temperature Range ...-65°C to +160°C SMBSUS, ALERT)...-0.3V to +6V Lead Temperature (soldering, 10sec) ...+300°C ADD to GND ...-0.3V to (VCC + 0.3V) SMBDATA Current, ALERT Current ..-1mA to +50mA 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.
ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are for TA = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Voltage Range 2.7 5.5 V Static condition; SMBDATA, SMBCLK, ADD, Supply Current ALERT 3 10 µA = VCC or GND (Note 2) Undervoltage Lockout/ VCC falling 1.2 1.6 2.5 V Power-On Reset Threshold VI/O_ = 0.4V, VCC = 2.7V or 5.5V 2 I/O Sink Current mA VI/O_ = 1.0V, VCC = 4.5V 8 13 I/O Current Limit I/O1, I/O2, or I/O3; VCC = 4.5V 15 20 50 mA Thermal Shutdown Typical hysteresis of 10°C 140 °C
MAX1661/MAX1662/MAX1663
VI/O_ = 28V, high-impedance state 0.5 5 I/O Leakage Current µA VI/O_ = 0V, VCC; high-impedance state -1 0.5 1 VSMBDATA, VSMBCLK, V SMBSUS, Digital Input Current -1 1 µA VADD = 0V, VCC SMBus Logic Input VCC = 2.7V to 5.5V; 0 5.5 V Voltage Range SMBDATA, SMBCLK, SMBSUS Logic Input High Voltage I/O_, SMBSUS, SMBCLK, SMBDATA 2.4 V Logic Input Low Voltage I/O_, SMBSUS, SMBCLK, SMBDATA 0.8 V SMBDATA Output Low Sink VSMBDATA = 0.6V 6 mA Current ALERT Output Low Sink Current V ALERT = 0.4V 1 mA ALERT Output Leakage Current V ALERT = 5.5V, high-Z state 1 µA SMBus Input Capacitance SMBCLK, SMBDATA 5 pF SMBus Clock Frequency (Notes 3, 4) 100 kHz Measured between the 90% level of the rising SMBCLK High Time tHIGH 4 µs edge and the 90% level of the falling edge Measured between the 10% level of the falling SMBCLK Low Time tLOW 4.7 µs edge and the 10% level of the rising edge
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