DS1708T Maxim Integrated Products, DS1708T Datasheet
DS1708T
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DS1708T Summary of contents
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FEATURES § Holds microprocessor in check during power transients § Automatically restarts microprocessor after power failure § Monitors pushbutton for external override § Accurate 5%, 10% or 20% resets for 3.3V systems and 5% or 10% resets for 5.0V ...
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The third function the DS1707/DS1708 performs is pushbutton reset control. The DS1707/DS1708 debounces the pushbutton input and guarantees an active reset pulse width of 130 ms minimum. OPERATION Power Monitor The DS1707/DS1708 detects out-of-tolerance power supply conditions and warns a ...
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MICROMONITOR BLOCK DIAGRAM Figure 1 40kW PUSHBUTTON RESET Figure 2 PUSHBUTTON RESET CONTROLLED BY Figure 3 NMI ...
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TIMING DIAGRAM: PUSHBUTTON RESET Figure 4 NON-MASKABLE INTERRUPT CIRCUIT EXAMPLE Figure 5 V SENSE Example: Therefore 4.50V at the trip point SENSE kΩ ...
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TIMING DIAGRAM: NON-MASKABLE INTERRUPT Figure 6 TIMING DIAGRAM: POWER-DOWN Figure ...
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TIMING DIAGRAM: POWER UP Figure ...
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... Input High Level PBRST Input Low Level PBRST DC ELECTRICAL CHARACTERISTICS PARAMETER V Trip Point DS1707 CC V Trip Point DS1708 CC V Trip Point DS1708T CC V Trip Point DS1708S CC V Trip Point DS1708R CC Input Leakage Output Current @ 2.4V Output Current @ 0.4V Output Voltage @ -500µA Operating Current @ V < ...
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AC ELECTRICAL CHARACTERISTICS PARAMETER = V PBRST IL Reset Active Time V Detect to RST and RST CC V Slew Rate CC V Detect to RST and RST CC V Slew Rate CC Stable Low to RST and PBRST VIN ...
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PART MARKING CODES 8-pin DIP (300 MIL) 8-pin SOIC (150 MIL) 8-pin µSOP (118 MIL) Code Description AB Device type and tolerance yww or yyww Date Code. Identifies the year and work week the device was assembled. rv Die Revision ...
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... DS1708SEUA 8-pin µSOP (118 mil) DS1708TEPA 8-pin DIP (300mil) DS1708TESA 8-pin SOIC (150 mil) DS1708TEUA 8-pin µSOP (118 mil) *Contact factory for availability of Pb-free versions -40°C to +85°C temperature range lead device P = Plastic DIP (300 mil SOIC (150 mil µ ...