DS1992 查看數據表（PDF） - Maxim Integrated

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DS1992

1Kb/4Kb Memory iButton

Maxim Integrated 

Figure 11. READ/WRITE TIMING DIAGRAM (continued)

Write-Zero Time Slot

VPULLUP

VPULLUP MIN

VIH MIN

VIL MAX

0V

RESISTOR

MASTER

tSLOT

DS199x

Sampling Window

15µs

60µs

t LOW 0

60 µs ≤ tLOW0 < tSLOT < 120 µs

1 µs ≤ tREC < ∞

DS1992/DS1993

t REC

Read-Data Time Slot

VPULLUP

VPULLUP MIN

VIH MIN

VIL MAX

0V

tSU

tLOW R

tSLOT

Master

Sampling Window

t RDV

RESISTOR

MASTER

DS199x

60 µs ≤ tSLOT < 120 µs

1 µs ≤ tLOWR < 15 µs

0 ≤ tRELEASE < 45 µs

t REC

tRELEASE

1 µs ≤ tREC < ∞

tRDV = 15 µs

tSU < 1 µs

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