X9221 Datasheet, PDF (10/14 Pages) Xicor Inc. – Dual E2POT™ Nonvolatile Digital Potentiometer

X9221
A.C. CHARACTERISTICS (Over recommended operating conditions unless otherwise stated)
Limits
Symbol
Parameter
Min.
Max.
Units
f_SCL
SCL Clock Frequency
0
100
KHz
t_LOW
t_HIGH
t_R
t_F
Ti
Clock LOW Period
Clock HIGH Period
SCL and SDA Rise Time
SCL and SDA Fall Time
Noise Suppression Time Constant
(Glitch Filter)
4700
ns
4000
ns
1000
ns
300
ns
100
ns
t_SU:STA
Start Condition Setup Time (for a Repeated
4700
ns
Start Condition)
t_HD:STA
t_SU:DAT
t_HD:DAT
t_AA
t_DH
t_SU:STO
t_BUF
t_WR
t_STPWV
t_CLWV
t_R V_CC
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
4000
250
0
300
300
4700
4700
0.2
3500
10
1000
500
50
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
3079 PGM T10.3
Figure 10. Input Bus Timing
tHIGH
SCL
SDA
(DATA IN)
tSU:STA
tHD:STA tHD:DAT
tLOW
tF
tSU:DAT
tR
tSU:STO
tBUF
3079 ILL F03
10