参数资料
型号: DS3231MZ+
厂商: Maxim Integrated Products
文件页数: 14/20页
文件大小: 0K
描述: IC RTC I2C 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 时钟/日历
特点: 警报器,闰年,方波输出
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: I²C,2 线串口
电源电压: 2.3 V ~ 5.5 V
电压 - 电源,电池: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
±5ppm, I2C Real-Time Clock
3
Maxim Integrated
DS3231M
AC ELECTRICAL CHARACTERISTICS—POWER SWITCH
(TA = -45NC to +85NC, unless otherwise noted.) (Figure 2)
DC ELECTRICAL CHARACTERISTICS—GENERAL (continued)
(VCC = +2.3V to +5.5V, TA = -45NC to +85NC, unless otherwise noted. Typical values are at VCC = +3.3V, VBAT = +3.0V, and TA =
+25NC, unless otherwise noted.)
DC ELECTRICAL CHARACTERISTICS—VBAT CURRENT CONSUMPTION
(VCC = 0V, VBAT = +2.3V to +5.5V, TA = -45NC to +85NC, unless otherwise noted. Typical values are at VCC = 0V, VBAT = +3.0V,
and TA = +25NC, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Power-Fail Voltage
VPF
2.45
2.575
2.70
V
Logic 0 Output
(32KHZ, INT/SQW, SDA)
VOL
IOL = 3mA
0.4
V
Logic 0 Output
(RST)
VOL
IOL = 1mA
0.4
V
Output Leakage
(32KHZ, INT/SQW, SDA)
ILO
-0.1
+0.1
A
Input Leakage
(SCL)
ILI
-0.1
+0.1
A
RST I/O Leakage
IOL
-200
+10
A
VBAT Leakage
IBATLKG
25
100
nA
Temperature Accuracy
TEMPACC VCC or VBAT = +3.3V
Q
3
N
C
Temperature Conversion Time
tCONV
10
ms
Pushbutton Debounce
PBDB
250
ms
Reset Active Time
tRST
250
ms
Oscillator Stop Flag (OSF) Delay
tOSF
(Note 3)
125
200
ms
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Battery Current
(I2C Active) (Note 4)
IBATA
VBAT = +3.63V
70
A
VBAT = VBATMAX
150
Timekeeping Battery Current
(I2C Inactive) (Note 4)
IBATT
VBAT = +3.63V, EN32KHZ = 0
2
3.0
A
VBAT = VBATMAX, EN32KHZ = 0
2
3.5
Temperature Conversion Current
(I2C Inactive)
IBATTC
VBAT = +3.63V
575
A
VBAT = VBATMAX
650
Data Retention Current
(Oscillator Stopped and I2C
Inactive)
IBATDR
TA = +25NC
100
nA
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC Fall Time, VPFMAX to
VPFMIN
tVCCF
300
F
s
VCC Rise Time, VPFMIN to
VPFMAX
tVCCR
0
F
s
Recovery at Power-Up
tREC
(Note 5)
250
300
ms
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