DS3231S+ DALLAS [Dallas Semiconductor], DS3231S+ Datasheet - Page 4

• Manufacturer Part Number: DS3231S+
• Description: Extremely Accurate I2C-Integrated RTC/TXO/Crystal
• Manufacturer: DALLAS [Dallas Semiconductor]

AC ELECTRICAL CHARACTERISTICS
(V
POWER-SWITCH CHARACTERISTICS
(T
Extremely Accurate I
RTC/TCXO/Crystal
4
SCL Clock Frequency
Bus Free Time Between STOP
and START Conditions
Hold Time (Repeated) START
Condition (Note 6)
Low Period of SCL Clock
High Period of SCL Clock
Data Hold Time (Notes 7, 8)
Data Setup Time (Note 9)
Start Setup Time
Rise Time of Both SDA and SCL
Signals (Note 10)
Fall Time of Both SDA and SCL
Signals (Note 10)
Setup Time for STOP Condition
Capacitive Load for Each Bus
Line (Note 10)
Capacitance for SDA, SCL
Pulse Width of Spikes That Must
Be Suppressed by the Input Filter
Pushbutton Debounce
Reset Active Time
Oscillator Stop Flag (OSF) Delay
Temperature Conversion Time
V
V
V
V
Recovery at Power-Up
A
CC
CC
PF(MIN)
CC
PF(MAX)
= T
_____________________________________________________________________
= V
Fall Time; V
Rise Time; V
MIN
CC(MIN)
PARAMETER
PARAMETER
to T
MAX
to V
PF(MAX)
PF(MIN)
)
CC(MAX)
to
to
or V
BAT
SYMBOL
SYMBOL
= V
t
t
t
t
t
HD:DAT
HD:STA
SU:DAT
SU:STO
SU:STA
t
t
PB
t
t
t
CONV
VCCR
t
f
t
HIGH
C
t
t
VCCF
LOW
REC
SCL
BUF
C
t
RST
OSF
BAT(MIN)
t
t
SP
I/O
R
F
B
DB
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
(Note 11)
(Note 12)
to V
BAT(MAX)
2
C-Integrated
, V
CONDITIONS
CONDITIONS
BAT
> V
CC
, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Note 1)
0.1C
0.1C
20 +
20 +
MIN
MIN
100
100
250
300
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.7
0
0
0
0
B
B
TYP
TYP
250
250
250
100
125
10
30
MAX
1000
MAX
400
100
300
300
300
400
200
300
0.9
0.9
UNITS
UNITS
kHz
ms
ms
ms
ms
ms
pF
pF
µs
µs
µs
µs
µs
ns
µs
ns
ns
µs
ns
µs
µs