Extremely Accurate I2C-Integrated RTC/TCXO/Crystal 4 Maxim Integrated DS3231 AC " />
參數(shù)資料
型號: DS3231SN#
廠商: Maxim Integrated Products
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC RTC W/TCXO 16-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
類型: 時鐘/日歷
特點: 警報器,閏年,方波輸出,TCXO/晶體
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: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC W
包裝: 管件
產(chǎn)品目錄頁面: 1434 (CN2011-ZH PDF)
Extremely Accurate I2C-Integrated
RTC/TCXO/Crystal
4
Maxim Integrated
DS3231
AC ELECTRICAL CHARACTERISTICS
(VCC = VCC(MIN) to VCC(MAX) or VBAT = VBAT(MIN) to VBAT(MAX), VBAT > VCC, TA = TMIN to TMAX, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fast mode
100
400
SCL Clock Frequency
fSCL
Standard mode
0
100
kHz
Fast mode
1.3
Bus Free Time Between STOP
and START Conditions
tBUF
Standard mode
4.7
μs
Fast mode
0.6
Hold Time (Repeated) START
Condition (Note 7)
tHD:STA
Standard mode
4.0
μs
Fast mode
1.3
Low Period of SCL Clock
tLOW
Standard mode
4.7
μs
Fast mode
0.6
High Period of SCL Clock
tHIGH
Standard mode
4.0
μs
Fast mode
0
0.9
Data Hold Time (Notes 8, 9)
tHD:DAT
Standard mode
0
0.9
μs
Fast mode
100
Data Setup Time (Note 10)
tSU:DAT
Standard mode
250
ns
Fast mode
0.6
START Setup Time
tSU:STA
Standard mode
4.7
μs
Fast mode
300
Rise Time of Both SDA and SCL
Signals (Note 11)
tR
Standard mode
20 +
0.1CB
1000
ns
Fast mode
300
Fall Time of Both SDA and SCL
Signals (Note 11)
tF
Standard mode
20 +
0.1CB
300
ns
Fast mode
0.6
Setup Time for STOP Condition
tSU:STO
Standard mode
4.7
μs
Capacitive Load for Each Bus
Line
CB
(Note 11)
400
pF
Capacitance for SDA, SCL
CI/O
10
pF
Pulse Width of Spikes That Must
Be Suppressed by the Input Filter
tSP
30
ns
Pushbutton Debounce
PBDB
250
ms
Reset Active Time
tRST
250
ms
Oscillator Stop Flag (OSF) Delay
tOSF
(Note 12)
100
ms
Temperature Conversion Time
tCONV
125
200
ms
POWER-SWITCH CHARACTERISTICS
(TA = TMIN to TMAX)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC Fall Time; VPF(MAX) to
VPF(MIN)
tVCCF
300
μs
VCC Rise Time; VPF(MIN) to
VPF(MAX)
tVCCR
0
μs
Recovery at Power-Up
tREC
(Note 13)
250
300
ms
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