X9409 Xicor, X9409 Datasheet - Page 14
X9409
Manufacturer Part Number
X9409
Description
Quad Digitally Controlled Potentiometers
Manufacturer
Xicor
Datasheet
1.X9409.pdf
(21 pages)
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X9409 – Preliminary Information
XDCP TIMING
Note: (9) A device must internally provide a hold time of at least 300ns for the SDA signal in order to bridge the undefined region of the falling
TIMING DIAGRAMS
START and STOP Timing
g
Input Timing
Output Timing
REV 1.6 1/30/03
Symbol
t
t
WRPO
t
WRID
WRL
SDA
SDA
SDA
SCL
SCL
SCL
edge of SCL.
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)
t
SU:STA
t
CYC
(START)
t
SU:DAT
t
HD:STA
Parameter
t
AA
t
R
t
R
www.xicor.com
t
F
t
F
t
HIGH
t
SU:STO
t
t
HD:DAT
DH
Characteristics subject to change without notice.
t
LOW
(STOP)
Min.
Typ.
2
2
2
t
BUF
Max.
10
10
10
14 of 21
Unit
µs
µs
µs