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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

MCP1318MT-46LE/OT 데이터 시트보기 (PDF) - Microchip Technology

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MCP1318MT-46LE/OT
Microchip
Microchip Technology 
MCP1318MT-46LE/OT Datasheet PDF : 44 Pages
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MCP131X/2X
MR
RST
tMR
tNF
tMRD
tRST
RST
FIGURE 1-2:
MR and Reset Pin Waveforms.
TABLE 1-2: MR AND RESET PIN TIMINGS
Electrical Specifications: Unless otherwise indicated, all limits are specified for VDD = 1V to 5.5V, RPU = 100 kΩ
(only MCP1320, MCP1321 and MCP1322), TA = -40°C to +125°C.
Parameters
Sym Min Typ
Max Units
Conditions
MR Pulse Width
tMR
1
μs
MR Active to RST/RST Active
tMRD
235
ns
MR Input Noise filter
tNF
150
ns
Note 1: These parameters are for design guidance only and are not 100% tested.
VDD = 5.0V
VDD = 5.0V
RST
RST
WDI (Note 1)
tWP
tWD
tRST
tWD
Note 1: The WDI pin was a weak pull-up resistor which is disabled after the 1st falling edge on the WDI pin.
FIGURE 1-3:
WDI and Reset Pin Waveforms.
TABLE 1-3: WDI AND RESET PIN TIMINGS
Electrical Specifications: Unless otherwise indicated, all limits are specified for VDD = 1V to 5.5V, RPU = 100 kΩ
(only MCP1320, MCP1321 and MCP1322), TA = -40°C to +125°C.
Parameters
Sym Min Typ
Max Units
Conditions
WDI Pulse Width
Watchdog Time Out Period
tWP
50
ns
tWD
4.3
6.3
9.3
ms Note 1
71
102
153
ms Note 1
1.12
1.6
2.4
sec Standard Time Out
17.9 25.6
38.4
sec Note 1
Note 1: Custom ordered WatchDog Timer time out; minimum order volume requirement.
© 2005 Microchip Technology Inc.
DS21985A-page 9

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