DS1624
AC ELECTRICAL CHARACTERISTICS
PARAMETERS SYMBOL CONDITION
(-55°C to +125°C; VDD=2.7V to 5.5V)
MIN
TYP MAX UNITS NOTES
Temperature
Conversion Time
NV Write Cycle
Time
TTC
400
1000
ms
tWR
0°C to 70°C
10
50
ms
9
EEPROM Writes
EEPROM Data
Retention
NEEWR
tEEDR
-20°C to +70°C
-20°C to +70°C
50k
20
writes
years
SLK Clock
Frequency
Bus Free Time
Between a
fSCL
tBUF
Fast Mode
Standard Mode
Fast Mode
0
0
1.3
4.7
400
100
kHz
µs
Standard Mode
STOP and START
Condition
Hold Time
(Repeated)
tHD:STA
Fast Mode
Standard Mode
0.6
4.0
µs
5
START Condition
Low Period of
SCL Clock
High Period of
SCL Clock
tLOW
tHIGH
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
1.3
4.7
0.6
4.0
0.6
4.7
µs
µs
µs
Setup Time for a
Repeated
tSU:STA
Standard Mode
START Condition
Data Hold Time
tHD:DAT
tSU:DAT
tR
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
0
0
100
0.9
µs
ns
ns
6
7
8
Data Setup Time
250
Rise Time of both
SDA and
20+0.1CB
300
1000
SCL Signals
Fall Time of both
SDA and
SCL Signals
Setup Time for
STOP
tF
tSU:STO
Cb
Fast Mode
Standard Mode
20+0.1CB
300
300
ns
µs
pF
8
Fast Mode
Standard Mode
0.6
4.0
Condition
Capacitive Load
for each Bus
Line
400
All values referred to VIH=0.9 VDD and VIL=0.1 VDD.
16 of 20
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
