DS1481S/TR 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS1481S/TR

1–Wire Bus Master with Overdrive

Dallas Semiconductor -> Maxim Integrated 

DS1481

AC ELECTRICAL CHARACTERISTICS: HOST INTERFACE

PARAMETER

SYMBOL MIN

TYP

Sample Time

(for bit time slot, OD = 0)

tSIO

8

(for bit time slot, OD = 1)

Recovery Time

Data to Enable Hold

Reset to Enable Hold

Clock low time

Clock low to O1, O2 valid

BSY1, BSY2 low time

(for bit time slot, OD = 0)

(OD = 1)

tREC

1

tDE

40

tRE

40

tCL

200

tCOV

tBLB

60

6

BSY1, BSY2 low time

(for reset time slot, OD = 0)

(OD = 1)

tBLR

960

96

NOTES:

1. All voltages are referenced to ground.

2. Measured with outputs open and I1, I2 high.

3. Minimum time required for 1–wire bit time slot.

4. Minimum time required for 1–wire reset time slot.

5. Only pins without pull–ups.

6. Overdrive mode only.

MAX

2

200

UNITS NOTES

µs

µs

µs

ns

ns

ns

µs

3

µs

4

021798 10/10

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