参数资料
型号: DS1374U-3+T&R
厂商: Maxim Integrated Products
文件页数: 13/18页
文件大小: 0K
描述: IC RTC I2C W/CHARGER 10-USOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 3,000
类型: 二进制计数器
特点: 警报器,方波输出,涓流充电器,监视计时器
时间格式: 二进制
数据格式: 二进制
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-µMAX
包装: 带卷 (TR)
DS1374
I2C, 32-Bit Binary Counter Watchdog RTC with
Trickle Charger and Reset Input/Output
4
_____________________________________________________________________
AC ELECTRICAL CHARACTERISTICS
(VCC = VCC(MIN) to VCC(MAX), TA = -40°C to +85°C, unless otherwise noted.) (Note 2) (Figure 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fast mode
100
400
SCL Clock Frequency (Note 17)
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 18)
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 19, 20)
tHD:DAT
Standard mode
0
0.9
μs
Fast mode
100
Data Setup Time (Note 21)
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 17)
tR
Standard mode
20 +
0.1CB
1000
ns
Fast mode
300
Fall Time of Both SDA and SCL
Signals (Note 17)
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 17)
400
pF
I/O Capacitance (SDA, SCL)
CI/O
(Note 22)
10
pF
Pulse Width of Spikes That Must
be Suppressed by the Input Filter
tSP
Fast mode
30
ns
Pushbutton Debounce
PBDB
(Figure 2)
250
ms
Reset Active Time
tRST
(Figure 2)
250
ms
Oscillator Stop Flag (OSF) Delay
tOSF
(Note 23)
100
ms
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