DP7112

6

Table 5. AC TEST CONDITIONS

2.5 V

6 V

Input Pulse Levels

Input Rise and Fall Times

10 ns

Input Reference Levels

Symbol

Parameter

Min

Typ (Note 7)

Max

Units

CS to INC Setup

100

ns

U/D to INC Setup

50

ns

U/D to INC Hold

100

ns

INC LOW Period

250

ns

INC HIGH Period

250

ns

INC Inactive to CS Inactive

1

s

CS Deselect Time (NO STORE)

100

ns

CS Deselect Time (STORE)

10

ms

1

5

s

INC Cycle Time

1

s

INC Input Rise and Fall Time

500

s

Power up to Wiper Stable

–

–

1

ms

Store Cycle

–

5

10

ms

8. This parameter is periodically sampled and not 100% tested.

9. MI in the A.C. Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position.

Figure 4. A.C. Timing

90%

90%

10%

(store)

MI (Note 9)

U/D

INC

CS