CAT5411WI-25 Datasheet, PDF (6/16 Pages) ON Semiconductor – Dual Digitally Programmable Potentiometers with 64 Taps and SPI Interface

CAT5411
ELECTRICAL CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Min
Typ
t_SU
Data Setup Time
50
t_H
Data Hold Time
50
t_WH
SCK High Time
125
t_WL
SCK Low Time
125
f_SCK Clock Frequency
DC
t_LZ
H¯¯O¯L¯D¯ to Output Low Z
t_RI(1)
Input Rise Time
t_FI(1)
Input Fall Time
t_HD
H¯¯O¯L¯D¯ Setup Time
100
t_CD
H¯¯O¯L¯D¯ Hold Time
100
t_WC
Write Cycle Time
t_V
Output Valid from Clock Low
t_HO
Output Hold Time
0
t_DIS
Output Disable Time
t_HZ
H¯¯O¯L¯D¯ to Output High Z
t_CS
¯C¯S¯ _{High Time}
250
t_CSS ¯C¯S¯ Setup Time
250
t_CSH ¯C¯S¯ Hold Time
250
Max Units Test Conditions
ns
ns
ns
ns
3
MHz
50
ns
2
µs
2
µs
ns C_L = 50pF
ns
5
ms
250
ns
ns
250
ns
100
ns
ns
ns
ns
POTENTIOMETER AC CHARACTERISTICS
Symbol Parameter
t_WRL
t_WRID
Wiper response time after instruction issued (all load instructions)
Wiper response time from an active SCK edge (Increment/decrement instruction)
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
Max Units
10 µs
5 µs
Doc. No. MD-2114 Rev. K
6
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice