参数资料
型号: DS1339U-3+T&R
厂商: Maxim Integrated Products
文件页数: 15/20页
文件大小: 0K
描述: IC RTC I2C W/ALARM 8-USOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 3,000
类型: 时钟/日历
特点: 警报器,闰年,方波输出,涓流充电器
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: 2.7 V ~ 3.3 V
电压 - 电源,电池: 1.3 V ~ 3.7 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-uMAX
包装: 带卷 (TR)
DS1339 I
2C Serial Real-Time Clock
4 of 20
AC ELECTRICAL CHARACTERISTICS
(VCC = MIN to MAX, TA = -40°C to +85°C.) (Note 9)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
Fast mode
100
400
kHz
Standard mode
100
Bus Free Time Between a STOP
and START Condition
tBUF
Fast mode
1.3
s
Standard mode
4.7
Hold Time (Repeated) START
Condition (Note 10)
tHD:STA
Fast mode
0.6
s
Standard mode
4.0
LOW Period of SCL Clock
tLOW
Fast mode
1.3
s
Standard mode
4.7
HIGH Period of SCL Clock
tHIGH
Fast mode
0.6
s
Standard mode
4.0
Setup Time for a Repeated
START Condition
tSU:STA
Fast mode
0.6
s
Standard mode
4.7
Data Hold Time (Notes 11, 12)
tHD:DAT
Fast mode
0
0.9
s
Standard mode
0
Data Setup Time (Note 13)
tSU:DAT
Fast mode
100
ns
Standard mode
250
Rise Time of Both SDA and SCL
Signals (Note 14)
tR
Fast mode
20 + 0.1CB
300
ns
Standard mode
20 + 0.1CB
1000
Fall Time of Both SDA and SCL
Signals (Note 14)
tF
Fast mode
20 + 0.1CB
300
ns
Standard mode
20 + 0.1CB
300
Setup Time for STOP Condition
tSU:STO
Fast mode
0.6
s
Standard mode
4.0
Capacitive Load for Each Bus
Line (Note 14)
CB
400
pF
I/O Capacitance (SDA, SCL)
CI/O
(Note 9)
10
pF
Oscillator Stop Flag (OSF) Delay
tOSF
(Note 15)
100
ms
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