DS1990A-F3 Просмотр технического описания (PDF) - Maxim Integrated

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DS1990A-F3

Serial Number iButton

Maxim Integrated 

Serial Number iButton

WRITE-ONE TIME SLOT

tW1L

VPUP

VIHMASTER

VIHMIN

VILMAX

0V

tF

ε

RESISTOR

WRITE-ZERO TIME SLOT

VPUP

VIHMASTER

VIHMIN

VILMAX

0V

tF

RESISTOR

tSLOT

MASTER

tW0L

tSLOT

MASTER

ε

tREC

READ-DATA TIME SLOT

tMSR

tRL

VPUP

VIHMASTER

VIHMIN

VILMAX

0V

tF

δ

RESISTOR

MASTER

SAMPLING

WINDOW

tSLOT

MASTER

Figure 7. Read/Write Timing Diagram

tREC

DS1990A

8 _______________________________________________________________________________________

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