CAT5127, CAT5129

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6

Table 7. AC TEST CONDITIONS

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

ms

CS Deselect Time (NO STORE)

100

ns

CS Deselect Time (STORE)

10

ms

1

5

ms

INC Cycle Time

1

ms

INC Input Rise and Fall Time

500

ms

Power-up to Wiper Stable

1

ms

Store Cycle

2

5

ms

90%

90%

10%

(store)

Figure 3. A.C. Timing

U/D

INC

CS

MI (Note 9)

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.