X9409 Datasheet, PDF (15/20 Pages) Xicor Inc. – Quad Digitally Controlled Potentiometers

X9409
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.
Typ.
2
2
2
Max.
10
10
10
Unit
µs
µs
µs
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
edge of SCL.
TIMING DIAGRAMS
START and STOP Timing
g
(START)
SCL
t_SU:STA
SDA
t_R
t_HD:STA
t_R
t_F
t_SU:STO
t_F
(STOP)
Input Timing
t_CYC
SCL
SDA
Output Timing
t_SU:DAT
t_HIGH
t_LOW
t_HD:DAT
t_BUF
SCL
SDA
t_AA
t_DH
15
FN8192.3
October 19, 2005