±5ppm, I2C Real-Time Clock 4 Maxim Integrated DS3231M AC ELECTR" />
參數(shù)資料
型號: DS3231MZ+
廠商: Maxim Integrated Products
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC RTC I2C 8SOIC
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 100
類型: 時鐘/日歷
特點: 警報器,閏年,方波輸出
時間格式: HH:MM:SS(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 2.3 V ~ 5.5 V
電壓 - 電源,電池: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOIC
包裝: 管件
±5ppm, I2C Real-Time Clock
4
Maxim Integrated
DS3231M
AC ELECTRICAL CHARACTERISTICS—I2C INTERFACE
(VCC or VBAT = +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.) (Note 6, Figure 1)
Note 2: All voltages are referenced to ground.
Note 3: The parameter tOSF is the period of time the oscillator must be stopped for the OSF flag to be set.
Note 4: Includes the temperature conversion current (averaged).
Note 5: This delay applies only if the oscillator is enabled. If the EOSC bit is 1, tREC is bypassed and RST immediately goes high.
The state of RST does not affect the I2C interface or RTC functions.
Note 6: Interface timing shown is for fast-mode (400kHz) operation. This device is also backward-compatible with standard mode
I2C timing.
Note 7: CB: Total capacitance of one bus line in picofarads.
Note 8: Guaranteed by design; not 100% production tested.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
0
400
kHz
Bus Free Time Between STOP
and START Conditions
tBUF
1.3
F
s
Hold Time (Repeated) START
Condition
tHD:STA
0.6
F
s
Low Period of SCL
tLOW
1.3
F
s
High Period of SCL
tHIGH
0.6
F
s
Data Hold Time
tHD:DAT
0
0.9
F
s
Data Set-Up Time
tSU:DAT
100
ns
START Set-Up Time
tSU:STA
0.6
F
s
SDA and SCL Rise Time
tR
(Note 7)
20 +
0.1CB
300
ns
SDA and SCL Fall Time
tF
(Note 7)
20 +
0.1CB
300
ns
STOP Set-Up Time
tSU:STO
0.6
F
s
SDA, SCL Input Capacitance
CBIN
(Note 8)
10
pF
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