3.3V Spread-Spectrum EconOscillator
DS1087L
AC ELECTRICAL CHARACTERISTICS—2-WIRE INTERFACE
(V
CC
= 2.7V to 3.6V, T
A
= 0°C to +70°C.)
PARAMETER
SCL Clock Frequency
Bus Free Time Between a STOP
and START Condition
Hold Time (repeated) START
Condition
LOW Period of SCL
HIGH Period of SCL
Setup Time for a Repeated
START
Data Hold Time
Data Setup Time
Rise Time of Both SDA and SCL
Signals
Fall Time of Both SDA and SCL
Signals
Setup Time for STOP
Capacitive Load for Each Bus
NV Write Cycle Time
Input Capacitance
SYMBOL
f
SCL
t
BUF
t
HD:STA
t
LOW
t
HIGH
t
SU:STA
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
C
B
t
WR
C
I
5
CONDITION
Fast mode (Note 8)
Standard mode (Note 8)
Fast mode (Note 8)
Standard mode (Note 8)
Fast mode (Notes 8 and 9)
Standard mode (Notes 8 and 9)
Fast mode (Note 8)
Standard mode (Note 8)
Fast mode (Note 8)
Standard mode (Note 8)
Fast mode
Standard mode
Fast mode (Notes 8, 10, and 11)
Standard mode (Notes 8, 10, and 11)
Fast mode (Note 8)
Standard mode (Note 8)
Fast mode (Note 12)
Standard mode (Note 12)
Fast mode (Note 12)
Standard mode (Note 12)
Fast mode
Standard mode
(Note 12)
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0
0
100
250
20 + 0.1C
B
20 + 0.1C
B
20 + 0.1C
B
20 + 0.1C
B
0.6
4.0
400
10
300
1000
300
1000
0.9
0.9
MIN
TYP
MAX
400
100
UNITS
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
pF
ms
pF
NONVOLATILE MEMORY CHARACTERISTICS
(V
CC
= 2.7V to 3.6V)
PARAMETER
Writes
SYMBOL
+70°C
CONDITION
MIN
10,000
TYP
MAX
UNITS
4
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DALLAS [ DALLAS SEMICONDUCTOR ]
