X9421 Datasheet, PDF (16/21 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
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)
SYMBOL TABLE
WAVEFORM INPUTS
OUTPUTS
Must be
steady
Will be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
Max.
10
Units
ms
Min.
Max. Units
10 µs
10 µs
450 ns
16
FN8196.1
September 23, 2005