X9119 Datasheet, PDF (14/18 Pages) Xilinx, Inc – Single Digitally-Controlled (XDCP ™ ) Potentiometer

X9119
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
Parameter
Wiper response time after the third (last) power supply is stable
Wiper response time after instruction issued (all load
instructions)
Min.
5
5
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
TIMING DIAGRAMS
Start and Stop Timing
Max.
10
Units
ms
Max.
10
10
Units
µs
µs
(START)
SCL
t_SU:STA
SDA
t_R
t_HD:STA
t_R
t_F
t_SU:STO
t_F
(STOP)
14
FN8162.2
September 15, 2005