DS3231MZ+ MAXIM [Maxim Integrated Products], DS3231MZ+ Datasheet - Page 4

• Manufacturer Part Number: DS3231MZ+
• Manufacturer: MAXIM [Maxim Integrated Products]

±5ppm, I
AC ELECTRICAL CHARACTERISTICS—I
(V
and T
Note 1: All voltages are referenced to ground.
Note 2: The parameter t
Note 3: Includes the temperature conversion current (averaged).
Note 4: This delay applies only if the oscillator is enabled. If the EOSC bit is 1, t
Note 5: Interface timing shown is for fast-mode (400kHz) operation. This device is also backward-compatible with standard mode
Note 6: C
4
SCL Clock Frequency
Bus Free Time Between STOP
and START Conditions
Hold Time (Repeated) START
Condition
Low Period of SCL
High Period of SCL
Data Hold Time
Data Set-Up Time
START Set-Up Time
SDA and SCL Rise Time
SDA and SCL Fall Time
STOP Set-Up Time
SDA, SCL Input Capacitance
CC
or V
A
= +25NC, unless otherwise noted.) (Note 5, Figure 1)
The state of RST does not affect the I
I
2
BAT
B
C timing.
PARAMETER
: Total capacitance of one bus line in picofarads.
= +2.3V to +5.5V, T
2
OSF
C Real-Time Clock
is the period of time the oscillator must be stopped for the OSF flag to be set.
A
= -40NC to +85NC, unless otherwise noted. Typical values are at V
SYMBOL
t
t
t
t
t
HD:STA
HD:DAT
SU:DAT
SU:STO
SU:STA
t
t
C
f
t
HIGH
LOW
SCL
BUF
t
t
BIN
R
F
2
C interface or RTC functions.
(Note 6)
(Note 6)
2
C INTERFACE
CONDITIONS
REC
is bypassed and RST immediately goes high.
0.1C
0.1C
20 +
20 +
MIN
100
1.3
0.6
1.3
0.6
0.6
0.6
0
0
B
B
CC
TYP
10
= +3.3V, V
MAX
400
300
300
0.9
BAT
= +3.0V,
UNITS
kHz
Fs
Fs
Fs
Fs
Fs
ns
Fs
ns
ns
Fs
pF