DS1706S Dallas Semiconductor, DS1706S Datasheet
DS1706S
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DS1706S Summary of contents
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... V device and at an upstream point for maximum protec- tion. When the sense input detects an out–of–tolerance Copyright 1995 by Dallas Semiconductor Corporation. All Rights Reserved. For important information regarding patents and other intellectual property rights, please refer to Dallas Semiconductor data books ...
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DS1705/DS1706 The second function the DS1705/DS1706 performs is pushbutton reset control. debounces the pushbutton input and guarantees an active reset pulse width of 130 ms minimum. The third function is a watchdog timer. DS1705/DS1706 has an internal timer that forces ...
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MICROMONITOR BLOCK DIAGRAM Figure 1 IN – + T.C. REFERENCE – PBRST ST PUSH–BUTTON RESET Figure 2 PBRST PUSH–BUTTON RESET CONTROLLED BY NMI AND WDS Figure 3 UPSTREAM SUPPLY VOLTAGE DIGITAL SAMPLER DIGITAL SAMPLER LEVEL SENSE AND ...
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DS1705/DS1706 TIMING DIAGRAM: PUSHBUTTON RESET Figure 4 PBRST RST RST NON–MASKABLE INTERRUPT CIRCUIT EXAMPLE Figure 5 V SENSE SENSE Example: V SENSE V = 3.3 volts CC 10K = R2 4.50 Therefore: x 3.3 1.25 R1 ...
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WATCHDOG TIMER Figure 6 PBRST V CC GND IN TIMING DIAGRAM: STROBE INPUT Figure 7 INVALID STROBE ST WDS RESET INITIATED BY PUSHBUTTON RST TIMING DIAGRAM: NON–MASKABLE INTERRUPT Figure 8 V > 1.25V IN V TP(MAX) NMI WDS RST DS1706 ...
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DS1705/DS1706 TIMING DIAGRAM: POWER DOWN Figure RST (DS1705 AND DS1706_/R/S/T) RST (DS1706L AND DS1706P ONLY) WDS WDS SLEWS WITH V 011296 6/ CCTP(MAX) V CCTP V CCTP(MIN) t RPD ...
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TIMING DIAGRAM: POWER UP Figure WDS V CCTP(MAX) V CCTP CCTP(MIN) t RPU RST RST RST (DS1705 AND DS1706_/R/S/ RST OL (DS1706L AND DS1706P ONLY) DS1705/DS1706 011296 7/10 ...
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... ST and PBRST Input Low Level DC ELECTRICAL CHARACTERISTICS PARAMETER V Trip Point DS1705/DS1706L CC V Trip Point DS1706 CC V Trip Point DS1706T CC V Trip Point DS1706S CC V Trip Point DS1706P Input Leakage Output Current @ 2.4 volts Output Current @ 0.4 volts Output Voltage @ –500 A Operating Current @ V < 5.5 volts CC ...
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AC ELECTRICAL CHARACTERISTICS PARAMETER PBRST = V IL Reset Active Time ST Pulse Width V Detect to RST and RST CC V Slew Rate CC V Detect to RST and RST CC V Slew Rate CC PBRST Stable Low to ...
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... and D represents the device type and tolerance. ABCD 705_ – DS1705 706_ – DS1706 706L – DS1706L 706P – DS1706P 706R – DS1706R 706S – DS1706S 706T – DS1706T WWY represents the device manufacturing Work Week, Year. 011296 10/ ABCD WWY (118 MIL) ...