X9241A Datasheet, PDF (13/18 Pages) Xicor Inc. – Quad Digitally Controlled Potentiometer (XDCP)

X9241A
A.C. CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.)
Symbol
f_SCL⁽⁵⁾
t_LOW⁽⁵⁾
t_HIGH⁽⁵⁾
t_R⁽⁵⁾
t_F⁽⁵⁾
T_i⁽⁵⁾⁽⁹⁾
t_SU:STA⁽⁵⁾
t_HD:STA⁽⁵⁾
t_SU:DAT⁽⁵⁾
t_HD:DAT⁽⁵⁾
t_AA⁽⁵⁾
t_DH⁽⁵⁾
t_SU:STO⁽⁵⁾
t_BUF⁽⁵⁾
t_WR⁽⁵⁾
t_STPWV⁽⁵⁾
t_CLWV⁽⁵⁾
t_R V_CC
Parameter
SCL clock frequency
Clock LOW period
Clock HIGH period
SCL and SDA rise time
SCL and SDA fall time
Noise suppression time constant (glitch filter)
Start condition setup time (for a repeated start condition)
Start condition hold time
Data in setup time
Data in hold time
SCL LOW to SDA data out valid
Data out hold time
Stop condition setup time
Bus free time prior to new transmission
Write cycle time (nonvolatile write operation)
Wiper response time from stop generation
Wiper response from SCL LOW
V_CC power-up rate
Limits
Min. Max.
0
100
4700
4000
1000
300
20
4700
4000
250
0
3500
50
4700
4700
10
500
1000
0.2
50
Unit
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
µs
µs
mV/µs
Reference
Figure
10
10
10
10
10
10
10 & 12
10 & 12
10
10
11
11
10 & 12
10
13
13
6
Figure 10. Input Bus Timing
SCL
SDA
(Data in)
t_SU:STA
t_HIGH
t_HD:STA
t_HD:DAT
t_LOW
t_F
t_SU:DAT
t_R
t_SU:STO
t_BUF
Figure 11. Output Bus Timing
SCL
SDA
t_AA
SDA_OUT (ACK)
t_DH
SDA_OUT
SDA_OUT
REV 1.1.13 12/09/02
www.xicor.com
Characteristics subject to change without notice. 13 of 18