DS1706 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1706 Datasheet PDF : 10 Pages
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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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