CAT5129 CATALYST [Catalyst Semiconductor], CAT5129 Datasheet - Page 6

• Manufacturer Part Number: CAT5129
• Description: 32-Tap Digitally Programmable Potentiometer (DPP TM)
• Manufacturer: CATALYST [Catalyst Semiconductor]

CAT5127, CAT5129
AC TEST CONDITIONS
AC OPERATING CHARACTERISTICS
V
A.C. TIMING
Notes:
(1) Typical values are for T
(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.
Doc. No. 2127 Rev. A
V
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
Symbol
CC
t
CC
R
t
t
t
t
PU
t
, t
= +2.5V to +5.5V, V
CPH
CPH
CYC
t
t
t
t
t
t
t
WR
CI
DI
ID
IH
IC
IR
IL
Range
F
(2)
(2)
R H
INC
U/D
CS
Parameter
CS
U/D ¯ to INC
U/D ¯ to INC
¯¯¯ LOW Period
INC
¯¯¯ HIGH Period
INC
¯¯¯ Inactive to CS Inactive
INC
CS
CS
¯¯¯ to R
INC
¯¯¯ Cycle Time
INC
¯¯¯ Input Rise and Fall Time
INC
Power-up to Wiper Stable
Store Cycle
¯¯ to INC
¯¯ Deselect Time (NO STORE)
¯¯ Deselect Time (STORE)
¯¯¯ Setup
¯¯¯ Setup
¯¯¯ Hold
t
H
CI
Change
A
=25ºC and nominal supply voltage.
t
H
IR
= V
CC
t
, V
IL
2.5V ≤ V
0.2V
10ns
0.5V
L
t
CYC
= 0V, unless otherwise specified
CC
CC
t
to 0.7V
IH
CC
t
DI
≤ 5.5V
t
CC
ID
6
t
IC
Min
100
100
250
250
100
50
10
1
1
(store)
t
CPH
Typ(1)
t
F
1
2
90%
Characteristics subject to change without notice
10%
90%
© 2006 Catalyst Semiconductor, Inc.
Max
500
5
1
5
t
R
MI (3)
Units
ms
ms
ms
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns