DS1705 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS1705

3.3V and 5.0V MicroMonitor

Dallas Semiconductor -> Maxim Integrated 

WATCHDOG TIMER Figure 6

DS1705/DS1706

PBRST

VCC

GND

IN

DS1706

WDS

RST

ST

NMI

Z80

µP

RST

MREQ

DECODER

ADDRESS

BUS

TIMING DIAGRAM: STROBE INPUT Figure 7

INVALID

STROBE

ST

VALID

STROBE

WDS

MIN.

tTD

RST

RESET INITIATED

BY PUSHBUTTON

INDETERMINATE

STROBE

MAX.

TIMING DIAGRAM: NON–MASKABLE INTERRUPT Figure 8

VIN > 1.25V

VTP(MAX)

VTP

VTP(MIN)

VTP(MIN)

VTP(MAX)

VTP

tIPD

NMI

tIPD

VOH

VOL

011296 5/10

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