X9250TB24 XICOR [Xicor Inc.], X9250TB24 Datasheet - Page 13

• Manufacturer Part Number: X9250TB24
• Description: Quad Digitally Controlled Potentiometers (XDCP)
• Manufacturer: XICOR [Xicor Inc.]

X9250
HIGH-VOLTAGE WRITE CYCLE TIMING
XDCP TIMING
SYMBOL TABLE
TIMING DIAGRAMS
Input Timing
REV 1.1.5 1/31/03
WAVEFORM
Symbol
t
t
WRPO
t
WRID
WRL
Symbol
SCK
SO
CS
t
SI
WR
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 instruc-
tion)
INPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
t
SU
High-voltage write cycle time (store instructions)
High Impedance
MSB
t
OUTPUTS
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
LEAD
t
H
t
WL
Parameter
Parameter
www.xicor.com
t
CYC
t
WH
...
...
t
FI
Characteristics subject to change without notice.
LSB
Typ.
5
t
RI
t
CS
Max.
Min.
10
Max.
t
LAG
10
10
40
Unit
ms
13 of 21
Unit
µs
µs
µs