CAT5128

© Catalyst Semiconductor, Inc.

5

Doc. No. MD-2128 Rev. A

AC CONDITIONS OF TEST

Range

2.5V ≤ V

≤ 5.5V

CC

Input Pulse Levels

0.2V

to 0.7V

CC

CC

Input Rise and Fall Times

10ns

Input Reference Levels

AC OPERATING CHARACTERISTICS

V

= +2.5V to +5.5V, V = V , V

CC

H

CC

(1)

Symbol

Parameter

Min

Max

Units

Typ

UP

¯¯ LOW Period

500

–

–

ns

DOWN

¯¯¯¯¯¯ LOW Period

500

–

–

ns

UP

¯¯ Cycle Time

t

1

–

–

µs

UP_CYC

DOWN

¯¯¯¯¯¯ Cycle Time

1

–

–

µs

(2)

UP

¯¯ Rise and Fall Time

–

–

500

ns

t

t

UP_R, UP_F

(2)

DOWN

¯¯¯¯¯¯ Rise and Fall Time

–

–

500

ns

UP

¯¯ Settling Time

200

–

–

ns

DOWN

¯¯¯¯¯¯ Settling Time

200

–

–

ns

(2)

t

Power-up to Wiper Stable

–

–

1

ms

PU

INTERFACE TIMING DIAGRAM

UP

10%

10%

90%

90%

Increment R in Discrete Steps

W

DOWN

10%

10%

90%

90%

Decrement R in Discrete Steps

W

Notes:

(2) This parameter is periodically sampled and not 100% tested.

(3) 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.

Characteristics subject to change without notice