Rainbow-electronics LM70 Bedienungsanleitung PDF herunterladen (Seite 5)

Logic Electrical Characteristics (Continued)

Serial Bus Digital Switching Characteristics

Unless otherwise noted, these specifications apply for V

= 2.65V to 3.6V for the LM70-3 and V

= 4.5V to 5.5V for the

LM70-5, C

(load capacitance) on output lines = 100 pF unless otherwise specified. Boldface limits apply for T

MIN

to T

MAX

; all other limits T

= +25˚C, unless otherwise noted.

Symbol Parameter Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limit)

SC (Clock) Period 0.16

µs (min)

(max)

CS Low to SC (Clock) High Set-Up Time 100 ns (min)

CS Low to Data Out (SO) Delay 70 ns (max)

SC (Clock) Low to Data Out (SO) Delay 70 ns (max)

CS High to Data Out (SO) TRI-STATE 200 ns (min)

SC (Clock) High to Data In (SI) Hold Time 60 ns (min)

Data In (SI) Set-Up Time to SC (Clock) High 30 ns (min)

Timing Diagrams

10122304

FIGURE 2. Data Output Timing Diagram

10122305

FIGURE 3. TRI-STATE Data Output Timing Diagram

10122306

FIGURE 4. Data Input Timing Diagram

LM70

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Rainbow-electronics LM70 Bedienungsanleitung Seite 5