X9241
A.C. CHARACTERISTICS (Over recommended operating conditions unless otherwise stated)
Limits
Reference
Symbol
fSCL
tLOW
tHIGH
tR
Parameter
SCL Clock Frequency
Min.
0
Max.
Units
KHz
ns
Figure
10
100
Clock LOW Period
4700
4000
10
Clock HIGH Period
ns
10
SCL and SDA Rise Time
SCL and SDA Fall Time
1000
300
ns
10
tF
ns
10
Ti
Noise Suppression Time Constant
(Glitch Filter)
100
ns
10
tSU:STA
Start Condition Setup Time (for a Repeated
Start Condition)
4700
ns
10 & 12
tHD:STA
tSU:DAT
tHD:DAT
tAA
Start Condition Hold Time
4000
250
0
ns
ns
10 & 12
10
Data in Setup Time
Data in Hold Time
ns
10
SCL LOW to SDA Data Out Valid
Data Out Hold Time
300
300
4700
4700
3500
ns
11
tDH
ns
11
tSU:STO
tBUF
Stop Condition Setup Time
ns
10 & 12
10
Bus Free Time Prior to New Transmission
Write Cycle Time (Nonvolatile Write Operation)
Wiper Response Time From Stop Generation
Wiper Response From SCL LOW
VCC Power-up Rate
ns
tWR
10
500
1000
50
ms
µs
13
tSTPWV
tCLWV
tR VCC
13
µs
6
0.2
mV/µs
3864 PGM T11.3
Figure 10. Input Bus Timing
t
t
t
t
HIGH
LOW
F
R
SCL
t
t
t
t
t
SU:STA
HD:STA
HD:DAT
SU:DAT
SU:STO
SDA
(DATA IN)
t
BUF
3864 ILL F03
11
XICOR [ XICOR INC. ]
