X9421 Datasheet, PDF (15/21 Pages) Xicor Inc. – Single Digitally Controlled (XDCP) Potentiometer

X9421
HIGH-VOLTAGE WRITE CYCLE TIMING
Symbol
t_WR
Parameter
High-voltage Write Cycle Time (Store Instructions)
Typ.
5
Max.
10
Units
ms
XDCP TIMING
Symbol
t_WRPO
t_WRL
t_WRID
Parameter
Wiper Response Time After The Third (Last) Power Supply Is Stable
Wiper Response Time After Instruction Issued (All Load Instructions)
Wiper Response Time From An Active SCL/SCK Edge (Increment/Decrement
Instruction)
Min.
Max.
10
10
Units
µs
µs
450 ns
SYMBOL TABLE
WAVEFORM INPUTS
OUTPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
REV 1.1.6 8/1/02
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Characteristics subject to change without notice. 15 of 21