DS1706L DALLAS [Dallas Semiconductor], DS1706L Datasheet
DS1706L
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DS1706L Summary of contents
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... PIN ASSIGNMENT PBRST V CC GND IN PBRST V CC GND IN PBRST VCC GND IN DS1705 and DS1706_/R/S/T (*DS1706L and DS1706P) PIN DESCRIPTION PBRST – Pushbutton Reset Input V – Power Supply CC GND – Ground IN – Input NMI – Non–maskable Interrupt ST – Strobe Input RST – ...
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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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... UPSTREAM SUPPLY VOLTAGE DIGITAL SAMPLER DIGITAL SAMPLER LEVEL SENSE AND DEBOUNCE WDS V RST CC DS1706P ST GND IN NMI PBRST V CC DS1706 GND IN DIGITAL DELAY WATCHDOG STATUS LATCH 8051 P RST ALE WDS RST RST ST ALE NMI DS1705/DS1706 NMI RST DS1706_/A/R/S/T RST DS1706L/DS1706P WDS P 011296 3/10 ...
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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 RST SLEWS WITH V CC ...
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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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... RECOMMENDED DC OPERATING CONDITIONS PARAMETER Supply Voltage ST and PBRST Input High Level 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 ...
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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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... PART MARKING CODES 8–PIN –SOP 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 ...