7v to 5.5v) – Rainbow Electronics DS1624 User Manual
Page 14
DS1624
14 of 16
AC ELECTRICAL CHARACTERISTICS
(-55°C to +125°C; V
DD
=2.7V to 5.5V)
PARAMETERS
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Temperature
Conversion Time
T
TC
400
1000
ms
NV Write Cycle
Time
t
WR
0°C to 70°C
10
50
ms
9
SLK Clock
Frequency
f
SCL
Fast Mode
Standard Mode
0
0
400
100
KHz
Bus Free Time
Between a
STOP and START
Condition
t
BUF
Fast Mode
Standard Mode
1.3
4.7
µs
Hold Time
(Repeated)
START Condition
t
HD:STA
Fast Mode
Standard Mode
0.6
4.0
µs
5
Low Period of
SCL Clock
t
LOW
Fast Mode
Standard Mode
1.3
4.7
µs
High Period of
SCL Clock
t
HIGH
Fast Mode
Standard Mode
0.6
4.0
µs
Setup Time for a
Repeated
START Condition
t
SU:STA
Fast Mode
Standard Mode
0.6
4.7
µs
Data Hold Time
t
HD:DAT
Fast Mode
Standard Mode
0
0
0.9
µs
6
Data Setup Time
t
SU:DAT
Fast Mode
Standard Mode
100
250
ns
7
Rise Time of both
SDA and
SCL Signals
t
R
Fast Mode
Standard Mode
20+0.1C
B
300
1000
ns
8
Fall Time of both
SDA and
SCL Signals
t
F
Fast Mode
Standard Mode
20+0.1C
B
300
300
ns
8
Setup Time for
STOP
Condition
t
SU:STO
Fast Mode
Standard Mode
0.6
4.0
µs
Capacitive Load
for each Bus
Line
C
b
400
pF
All values referred to V
IH
=0.9 V
DD
and V
IL
=0.1 V
DD
.