DS3231MZ MAXIM [Maxim Integrated Products], DS3231MZ Datasheet - Page 3

• Manufacturer Part Number: DS3231MZ
• Description: 5ppm, I2C Real-Time Clock Battery Backup for Continuous Timekeeping
• Manufacturer: MAXIM [Maxim Integrated Products]

AC ELECTRICAL CHARACTERISTICS—POWER SWITCH
(T
DC ELECTRICAL CHARACTERISTICS—GENERAL (continued)
(V
+25NC, unless otherwise noted.)
DC ELECTRICAL CHARACTERISTICS—V
(V
and T
Power-Fail Voltage
Logic 0 Output
(32KHZ, INT/SQW, SDA)
Logic 0 Output
(RST)
Output Leakage
(32KHZ, INT/SQW, SDA)
Input Leakage
(SCL)
RST I/O Leakage
V
Temperature Accuracy
Temperature Conversion Time
Pushbutton Debounce
Reset Active Time
Oscillator Stop Flag (OSF) Delay
Active Battery Current
(I
Timekeeping Battery Current
(I
Temperature Conversion Current
(I
Data Retention Current
(Oscillator Stopped and I
Inactive)
V
V
V
V
Recovery at Power-Up
A
CC
CC
BAT
2
2
2
CC
PFMIN
CC
PFMAX
C Active) (Note 3)
C Inactive) (Note 3)
C Inactive)
= -40NC to +85NC, unless otherwise noted.) (Figure 2)
= +2.3V to +5.5V, T
= 0V, V
A
Fall Time, V
Rise Time, V
Leakage
= +25NC, unless otherwise noted.)
PARAMETER
PARAMETER
PARAMETER
BAT
PFMAX
= +2.3V to +5.5V, T
PFMIN
to
to
A
2
C
= -40NC to +85NC, unless otherwise noted. Typical values are at V
TEMP
SYMBOL
SYMBOL
SYMBOL
I
BATLKG
A
I
I
t
BATDR
t
t
PB
I
I
BATTC
CONV
VCCF
VCCR
t
t
t
BATA
BATT
V
V
V
REC
I
I
RST
OSF
= -40NC to +85NC, unless otherwise noted. Typical values are at V
LO
I
OL
OL
OL
PF
LI
DB
ACC
I
I
V
(Note 2)
V
V
V
V
V
V
T
(Note 4)
OL
OL
A
CC
BAT
BAT
BAT
BAT
BAT
BAT
= +25NC
= 3mA
= 1mA
±5ppm, I
or V
= +3.63V
= V
= +3.63V, EN32KHZ = 0
= V
= +3.63V
= V
BAT
BATMAX
BATMAX
BATMAX
BAT
= +3.3V
CONDITIONS
CONDITIONS
CONDITIONS
, EN32KHZ = 0
CURRENT CONSUMPTION
2
C Real-Time Clock
CC
2.45
-200
MIN
MIN
MIN
-0.1
-0.1
300
0
= +3.3V, V
2.575
TYP
TYP
TYP
250
250
125
250
Q3
25
10
2
2
CC
BAT
= 0V, V
= +3.0V, and T
MAX
MAX
MAX
2.70
+0.1
+0.1
+10
100
200
150
575
650
100
300
0.4
0.4
3.0
3.5
70
BAT
= +3.0V,
UNITS
UNITS
UNITS
ms
ms
ms
ms
ms
µA
µA
µA
nA
µA
µA
µA
nA
NC
Fs
Fs
V
V
V
A
=
3