X9241A Datasheet, PDF (13/16 Pages) Xicor Inc. – Quad Digitally Controlled Potentiometer (XDCP)

X9241A
AC Electrical Specifications (Over recommended operating conditions unless otherwise stated.) (Continued)
LIMITS
SYMBOL
t_STPWV(5)
t_CLWV(5)
t_R V_CC
PARAMETER
Wiper response time from stop generation
Wiper response from SCL LOW
V_CC power-up rate
MIN
MAX
UNIT
500
µs
1000
µs
0.2
50
mV/µs
REFERENCE
FIGURE
13
6
SCL
SDA
(Data in)
t_SU:STA
t_HIGH
t_HD:STA t_HD:DAT
t_LOW
t_F
t_SU:DAT
FIGURE 10. INPUT BUS TIMING
t_R
t_SU:STO
t_BUF
SCL
SDA
t_AA
SDA_OUT (ACK)
t_DH
SDA_OUT
FIGURE 11. OUTPUT BUS TIMING
Start Condition
SDA_OUT
Stop Condition
SCL
SDA
(Data in)
t_SU:STA
t_HD:STA
FIGURE 12. START STOP TIMING
t_SU:STO
SCL
SDA
Clock 8
SDA_IN
Clock 9
STOP
t_WR
t_STPWV
ACK
START
Wiper
Output
FIGURE 13. WRITE CYCLE AND WIPER RESPONSE TIMING
13
FN8164.1
September 15, 2005