CAT5127_13 Datasheet, PDF (6/10 Pages) ON Semiconductor – 32‐tap Digital Potentiometers (POTs)

CAT5127, CAT5129
Table 7. AC TEST CONDITIONS
V_CC Range
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
2.5 V  V_CC  5.5 V
0.2 x V_CC to 0.7 x V_CC
10 ns
0.5 x V_CC
Table 8. AC OPERATING CHARACTERISTICS (V_CC = +2.5 V to +5.5 V, V_H = V_CC, V_L = 0 V, unless otherwise specified)
Symbol
Parameter
Min
Typ (Note 7)
Max
Units
t_CI
t_DI
t_ID
t_IL
t_IH
t_IC
t_CPH
t_CPH
t_IR
t_CYC
t_R, t_F (Note 8)
t_PU (Note 8)
t_WR
CS to INC Setup
U/D to INC Setup
U/D to INC Hold
INC LOW Period
INC HIGH Period
INC Inactive to CS Inactive
CS Deselect Time (NO STORE)
CS Deselect Time (STORE)
INC to R_H Change
INC Cycle Time
INC Input Rise and Fall Time
Power-up to Wiper Stable
Store Cycle
100
ns
50
ns
100
ns
250
ns
250
ns
1
ms
100
ns
10
ms
1
5
ms
1
ms
500
ms
1
ms
2
5
ms
CS
t_CI
INC
U/D
t_CYC
t_IL
t_IH
t_IC
t_{DI tID}
(store)
t_CPH
90% 90%
10%
t_F
t_R
t_IR
MI (Note 9)
R_H
Figure 3. A.C. Timing
7. Typical values are for T_A = 25C and nominal supply voltage.
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.
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