WMS7140 Datasheet, PDF (10/23 Pages) Winbond – NONVOLATILE DIGITAL POTENTIOMETERS WITH UP/DOWN (3-WIRE) INTERFACE, 10KOHM, 50KOHM, 100KOHM RESISTANCE 16 TAPS WITH OPTIONAL OUTPUT BUFFER

WMS7140/1
TABLE 10 – TIMING PARAMETERS
PARAMETERS
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 V_W Change
INC Cycle Time
INC Input Rise and Fall Time
Power-Up to Wiper Stable
V_CC Power-Up rate
SYMBOL MIN.
t_CI
100
t_DI
50
t_ID
100
t_IL
250
t_IH
250
t_IC
1
t_CPH
100
15 (2.7V)
t_CPH
MAX.
UNITS
ns
ns
ns
ns
ns
µs
ns
ms
t_IW
t_CYC
t_R, t_F
t_PU
t_R V_CC
1
0.2
(13ms
0-2.7V)
5
500
1
50
(54µs
0-2.7V)
µs
µs
µs
ms
V/ms
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